Table MIB

compat debug dev hw kern kstat machdep net p1003_1b security sys sysctl user vfs vm

Name	Description	Type	Format	Flags	Handler	OID
vfs	File system	node	N	RD, WR, MPSAFE	Undefined	3
vfs.acl_nfs4_old_semantics	Use pre-PSARC/2010/029 NFSv4 ACL semantics	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.aio	Async IO management	node	N	RD, WR, MPSAFE	Undefined	3. [dyn]
vfs.aio.aiod_lifetime	Maximum lifetime for idle aiod	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.aio.enable_unsafe	Permit asynchronous IO on all file types, not just known-safe types	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.aio.max_aio_per_proc	Maximum active aio requests per process	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.aio.max_aio_procs	Maximum number of kernel processes to use for handling async IO	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.aio.max_aio_queue	Maximum number of aio requests to queue, globally	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.aio.max_aio_queue_per_proc	Maximum queued aio requests per process	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.aio.max_buf_aio	Maximum buf aio requests per process	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.aio.num_aio_procs	Number of presently active kernel processes for async IO	integer	I	RD, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.aio.num_buf_aio	Number of aio requests presently handled by the buf subsystem	integer	I	RD, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.aio.num_queue_count	Number of queued aio requests	integer	I	RD, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.aio.num_unmapped_aio	Number of aio requests presently handled by unmapped I/O buffers	integer	I	RD, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.aio.target_aio_procs	Preferred number of ready kernel processes for async IO	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.aio.unsafe_warningcnt	Warnings that will be triggered upon failed IO requests on unsafe files	unsigned integer	IU	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.altbufferflushes	Number of fsync flushes to limit dirty buffers	integer	I	RD, WR, MPSAFE, STATS	Defined	3. [dyn]
vfs.autofs	Automounter filesystem	node	N	RD, MPSAFE	Undefined	3. 207
vfs.autofs.cache	Number of seconds to wait before reinvoking automountd(8) for any given file or directory	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 207. [dyn]
vfs.autofs.debug	Enable debug messages	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 207. [dyn]
vfs.autofs.interruptible	Allow requests to be interrupted by signal	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 207. [dyn]
vfs.autofs.mount_on_stat	Trigger mount on stat(2) on mountpoint	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 207. [dyn]
vfs.autofs.retry_attempts	Number of attempts before failing mount	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 207. [dyn]
vfs.autofs.retry_delay	Number of seconds before retrying	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 207. [dyn]
vfs.autofs.timeout	Number of seconds to wait for automountd(8)	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 207. [dyn]
vfs.barrierwrites	Number of barrier writes	long integer	L	RD, WR, MPSAFE, STATS	Defined	3. [dyn]
vfs.bdwriteskip	Number of buffers supplied to bdwrite with snapshot deadlock risk	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.buf_pager_relbuf	Make buffer pager release buffers after reading	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]
vfs.bufdefragcnt	Number of times we have had to repeat buffer allocation to defragment	uint64_t	QU	RD, WR, MPSAFE, STATS	Defined	3. [dyn]
vfs.buffreekvacnt	Number of times we have freed the KVA space from some buffer	uint64_t	QU	RD, WR, MPSAFE, STATS	Defined	3. [dyn]
vfs.bufkvaspace	Kernel virtual memory used for buffers	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]
vfs.bufmallocspace	Amount of malloced memory for buffers	long integer	L	RD, MPSAFE	Defined	3. [dyn]
vfs.bufspace	Physical memory used for buffers	long integer	L	RD, MPSAFE	Defined	3. [dyn]
vfs.bufspacethresh	Bufspace consumed before waking the daemon to free some	long integer	L	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.cache	Name cache	node	N	RD, WR, MPSAFE	Undefined	3. [dyn]
vfs.cache.debug	Name cache debugging	node	N	RD, WR, MPSAFE	Undefined	3. [dyn]. [dyn]
vfs.cache.debug.vnodes_cel_3_failures	Number of times 3-way vnode locking failed	unsigned long	LU	RD, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.debug.zap_bucket_fail		unsigned long	LU	RD, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.debug.zap_bucket_fail2		unsigned long	LU	RD, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.debug.zap_bucket_relock_success	Number of successful removals after relocking	unsigned long	LU	RD, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.nchstats	VFS cache effectiveness statistics	opaque	LU	RD, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.cache.neg	Name cache negative entry statistics	node	N	RD, WR, MPSAFE	Undefined	3. [dyn]. [dyn]
vfs.cache.neg.count	Number of negative cache entries	unsigned long	LU	RD, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.neg.created	Number of created negative entries	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.neg.evict_skipped_contended	Number of times evicting failed due to contention	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.neg.evict_skipped_empty	Number of times evicting failed due to lack of entries	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.neg.evict_skipped_missed	Number of times evicting failed due to target entry disappearing	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.neg.evicted	Number of evicted negative entries	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.neg.hits	Number of cache hits (negative)	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.neg.hot	Number of hot negative entries	integer	I	RD, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.param	Name cache parameters	node	N	RD, WR, MPSAFE	Undefined	3. [dyn]. [dyn]
vfs.cache.param.fast_lookup		integer	IU	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.param.negfactor	Ratio of negative namecache entries	unsigned long	LU	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.param.negmin	Negative entry count above which automatic eviction is allowed	unsigned integer	IU	RD, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.param.negminpct	Negative entry % of namecache capacity above which automatic eviction is allowed	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.param.size	Total namecache capacity	unsigned integer	IU	RD, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.param.sizefactor	Size factor for namecache	unsigned integer	IU	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.stats	Name cache statistics	node	N	RD, WR, MPSAFE	Undefined	3. [dyn]. [dyn]
vfs.cache.stats.count	Number of cache entries	unsigned long	LU	RD, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.stats.dotdothis	Number of '..' hits	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.stats.dothits	Number of '.' hits	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.stats.drops	Number of dropped entries due to reaching the limit	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.stats.fullpathcalls	Number of fullpath search calls	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.stats.fullpathfail1	Number of fullpath search errors (ENOTDIR)	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.stats.fullpathfail2	Number of fullpath search errors (VOP_VPTOCNP failures)	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.stats.fullpathfail4	Number of fullpath search errors (ENOMEM)	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.stats.fullpathfound	Number of successful fullpath calls	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.stats.heldvnodes	Number of namecache entries with vnodes held	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.stats.hitpct	Percentage of hits	integer	I	RD, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.stats.miss	Number of cache misses	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.stats.misszap	Number of cache misses we do not want to cache	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.stats.neg	Number of negative cache entries	unsigned long	LU	RD, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.stats.neghits	Number of cache hits (negative)	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.stats.negzaps	Number of cache hits (negative) we do not want to cache	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.stats.poshits	Number of cache hits (positive)	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.stats.posszaps	Number of cache hits (positive) we do not want to cache	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.stats.poszaps	Number of cache hits (positive) we do not want to cache	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache.stats.symlinktoobig	Number of times symlink did not fit the cache	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.cache_fast_lookup		integer	IU	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.cd9660	cd9660 filesystem	node	N	RD, WR, MPSAFE	Undefined	3. 189
vfs.cd9660.use_buf_pager	Use buffer pager instead of bmap	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 189. [dyn]
vfs.conflist	List of all configured filesystems	opaque	S,xvfsconf	RD, MPSAFE	Defined	3. [dyn]
vfs.ctl	Sysctl by fsid	opaque		WR, MPSAFE	Defined	3. [dyn]
vfs.default_autoro	Retry failed r/w mount as r/o if no explicit ro/rw option is specified	uint8_t	CU	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.deferred_inact	Number of times inactive processing was deferred	unsigned long	LU	RD, MPSAFE	Defined	3. [dyn]
vfs.deferred_unmount	deferred unmount controls	node	N	RD, MPSAFE	Undefined	3. [dyn]
vfs.deferred_unmount.retry_delay_hz	Delay in units of [1/kern.hz]s when retrying a failed deferred unmount	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.deferred_unmount.retry_limit	Maximum number of retries for deferred unmount failure	unsigned integer	IU	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.deferred_unmount.total_retries	Total number of retried deferred unmounts	integer	I	RD, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.devfs	DEVFS filesystem	node	N	RD, WR, MPSAFE	Undefined	3. 113
vfs.devfs.dotimes	Update timestamps on DEVFS with default precision	integer	I	RD, WR, MPSAFE	Defined	3. 113. [dyn]
vfs.devfs.generation	DEVFS generation number	unsigned integer	IU	RD, MPSAFE	Defined	3. 113. [dyn]
vfs.devfs.rule_depth	Max depth of ruleset include	unsigned integer	IU	RD, WR, MPSAFE	Defined	3. 113. [dyn]
vfs.dirtybufferflushes	Number of bdwrite to bawrite conversions to limit dirty buffers	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.dirtybufthresh	Number of bdwrite to bawrite conversions to clear dirty buffers	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.ffs	FFS filesystem	node	N	RD, WR, MPSAFE	Undefined	3. [dyn]
vfs.ffs.adjblkcnt	Adjust Inode Used Blocks Count	node	N	WR, NEEDGIANT	Defined	3. [dyn]. 2
vfs.ffs.adjdepth	Adjust Directory Inode Depth	node	N	WR, NEEDGIANT	Defined	3. [dyn]. 18
vfs.ffs.adjnbfree	Adjust number of free blocks	node	N	WR, NEEDGIANT	Defined	3. [dyn]. 8
vfs.ffs.adjndir	Adjust number of directories	node	N	WR, NEEDGIANT	Defined	3. [dyn]. 7
vfs.ffs.adjnffree	Adjust number of free frags	node	N	WR, NEEDGIANT	Defined	3. [dyn]. 10
vfs.ffs.adjnifree	Adjust number of free inodes	node	N	WR, NEEDGIANT	Defined	3. [dyn]. 9
vfs.ffs.adjnumclusters	Adjust number of free clusters	node	N	WR, NEEDGIANT	Defined	3. [dyn]. 11
vfs.ffs.adjrefcnt	Adjust Inode Reference Count	opaque	S,fsck	WR, NEEDGIANT	Defined	3. [dyn]. 1
vfs.ffs.compute_summary_at_mount	Recompute summary at mount	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.ffs.doasyncfree	do not force synchronous writes when blocks are reallocated	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.ffs.doasyncinodeinit	Perform inode block initialization using asynchronous writes	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]. [dyn]
vfs.ffs.doreallocblks	enable block reallocation	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.ffs.dotrimcons	enable BIO_DELETE / TRIM consolidation	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]. [dyn]
vfs.ffs.enxio_enable	enable mapping of other disk I/O errors to ENXIO	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]. [dyn]
vfs.ffs.freeblks	Free Range of Blocks	node	N	WR, NEEDGIANT	Defined	3. [dyn]. 3
vfs.ffs.freedirs	Free Range of Directory Inodes	node	N	WR, NEEDGIANT	Defined	3. [dyn]. 4
vfs.ffs.freefiles	Free Range of File Inodes	node	N	WR, NEEDGIANT	Defined	3. [dyn]. 5
vfs.ffs.maxclustersearch	max number of cylinder group to search for contigous blocks	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.ffs.prttimechgs	print UFS1 time changes made to inodes	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]. [dyn]
vfs.ffs.setcwd	Set Current Working Directory	node	N	WR, NEEDGIANT	Defined	3. [dyn]. 12
vfs.ffs.setdotdot	Change Value of .. Entry	node	N	WR, NEEDGIANT	Defined	3. [dyn]. 13
vfs.ffs.setflags	Change Filesystem Flags	node	N	WR, NEEDGIANT	Defined	3. [dyn]. 6
vfs.ffs.setsize	Set the inode size	node	N	WR, NEEDGIANT	Defined	3. [dyn]. 17
vfs.ffs.unlink	Unlink a Duplicate Name	node	N	WR, NEEDGIANT	Defined	3. [dyn]. 14
vfs.ffs.use_buf_pager	Always use buffer pager instead of bmap	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]. [dyn]
vfs.flushbufqtarget	Amount of work to do in flushbufqueues when helping bufdaemon	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.flushwithdeps	Number of buffers flushed with dependencies that require rollbacks	integer	I	RD, WR, MPSAFE, STATS	Defined	3. [dyn]
vfs.freevnodes	Number of "free" vnodes (legacy)	unsigned long	LU	RD, MPSAFE	Defined	3. [dyn]
vfs.fusefs	FUSE tunables	node	N	RD, WR, MPSAFE	Undefined	3. 237
vfs.fusefs.data_cache_mode	Zero: disable caching of FUSE file data; One: write-through caching (default); Two: write-back caching (generally unsafe)	integer	I	RD, WR, MPSAFE	Defined	3. 237. [dyn]
vfs.fusefs.enforce_dev_perms	enforce fuse device permissions for secondary mounts	integer	I	RD, WR, MPSAFE	Defined	3. 237. [dyn]
vfs.fusefs.iov_credit	how many times is an oversized fuse_iov tolerated	integer	I	RD, WR, MPSAFE	Defined	3. 237. [dyn]
vfs.fusefs.iov_permanent_bufsize	limit for permanently stored buffer size for fuse_iovs	long integer	L	RD, WR, MPSAFE	Defined	3. 237. [dyn]
vfs.fusefs.kernelabi_major	FUSE kernel abi major version	integer	I	RD, MPSAFE	Defined	3. 237. [dyn]
vfs.fusefs.kernelabi_minor	FUSE kernel abi minor version	integer	I	RD, MPSAFE	Defined	3. 237. [dyn]
vfs.fusefs.stats	FUSE statistics	node	N	RD, WR, MPSAFE	Undefined	3. 237. [dyn]
vfs.fusefs.stats.filehandle_count	number of open FUSE filehandles	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. 237. [dyn]. [dyn]
vfs.fusefs.stats.lookup_cache_hits	number of positive cache hits in lookup	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. 237. [dyn]. [dyn]
vfs.fusefs.stats.lookup_cache_misses	number of cache misses in lookup	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. 237. [dyn]. [dyn]
vfs.fusefs.stats.node_count	Count of FUSE vnodes	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. 237. [dyn]. [dyn]
vfs.fusefs.stats.ticket_count	Number of allocated tickets	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. 237. [dyn]. [dyn]
vfs.generic	Generic filesystem	node	N	RD, SKIP, MPSAFE	Defined	3. 0
vfs.getnewbufcalls	Number of calls to getnewbuf	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]
vfs.getnewbufrestarts	Number of times getnewbuf has had to restart a buffer acquisition	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]
vfs.hibufspace	Maximum allowed value of bufspace (excluding metadata)	long integer	L	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.hidirtybuffers	When the number of dirty buffers is considered severe	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.hifreebuffers	Threshold for clean buffer recycling	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.hirunningspace	Maximum amount of space to use for in-progress I/O	long integer	L	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.ino64_trunc_error	Error on truncation of device, file or inode number, or link count	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.lobufspace	Minimum amount of buffers we want to have	long integer	L	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.lodirtybuffers	How many buffers we want to have free before bufdaemon can sleep	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.lofreebuffers	Target number of free buffers	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.lookup_cap_dotdot	enables ".." components in path lookup in capability mode	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]
vfs.lookup_cap_dotdot_nonlocal	enables ".." components in path lookup in capability mode on non-local mount	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]
vfs.lorunningspace	Minimum preferred space used for in-progress I/O	long integer	L	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.mappingrestarts	Number of times getblk has had to restart a buffer mapping for unmapped buffer	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]
vfs.maxbcachebuf	Maximum size of a buffer cache block	integer	I	RD, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]
vfs.maxbufspace	Maximum allowed value of bufspace (including metadata)	long integer	L	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.maxmallocbufspace	Maximum amount of malloced memory for buffers	long integer	L	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.msdosfs	msdos filesystem	node	N	RD, WR, MPSAFE	Undefined	3. 50
vfs.msdosfs.use_buf_pager	Use buffer pager instead of bmap	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 50. [dyn]
vfs.nfs	NFS filesystem	node	N	RD, WR, MPSAFE	Undefined	3. 58
vfs.nfs.access_cache_timeout	NFS ACCESS cache timeout	integer	I	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.bufpackets	Buffer reservation size 2 < x < 64	integer	I	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.callback_addr	NFSv4 callback addr for server to use	string	A	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.clean_pages_on_close	NFS clean dirty pages on close	integer	I	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.commit_on_close	write+commit on close, else only write	integer	I	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.debuglevel	Debug level for NFS client	integer	I	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.defect	Allow nfsiods to migrate serving different mounts	integer	I	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.diskless_rootaddr	Diskless root nfs address	opaque	%Ssockaddr_in	RD, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.diskless_rootpath	Path to nfs root	string	A	RD, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.diskless_valid	Has the diskless struct been filled correctly	integer	I	RD, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.downdelayinitial		integer	I	RD, WR, MPSAFE	Defined	3. 58. 12
vfs.nfs.downdelayinterval		integer	I	RD, WR, MPSAFE	Defined	3. 58. 30
vfs.nfs.dsretries	Number of retries for a DS RPC before failure	integer	I	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.dssameconn	Use same TCP connection to multiple DSs	integer	I	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.enable_uidtostring	Make nfs always send numeric owner_names	integer	I	RD, WR, MPSAFE, VNET	Defined	3. 58. [dyn]
vfs.nfs.fileid_maxwarnings	Limit fileid corruption warnings; 0 is off; -1 is unlimited	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 58. [dyn]
vfs.nfs.ignore_eexist	NFS ignore EEXIST replies for mkdir/symlink	integer	I	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.iodmax	Max number of nfsiod kthreads	unsigned integer	IU	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.iodmaxidle	Max number of seconds an nfsiod kthread will sleep before exiting	unsigned integer	IU	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.iodmin	Min number of nfsiod kthreads to keep as spares	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 58. [dyn]
vfs.nfs.maxalloclen	NFS max allocate/deallocate length	uint64_t	QU	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.maxcopyrange	Max size of a Copy so RPC times reasonable	uint64_t	QU	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.nfs3_jukebox_delay	Number of seconds to delay a retry after receiving EJUKEBOX	integer	I	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.nfs_directio_allow_mmap	Enable mmaped IO on file with O_DIRECT opens	integer	I	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.nfs_directio_enable	Enable NFS directio	integer	I	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.nfs_ip_paranoia		integer	I	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.nfs_keep_dirty_on_error	Retry pageout if error returned	integer	I	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.pnfsiothreads	Number of pNFS mirror I/O threads	integer	I	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.pnfsmirror	Mirror level for pNFS service	integer	I	RD, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.prime_access_cache	Prime NFS ACCESS cache when fetching attributes	integer	I	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.realign_count	Number of mbuf realignments done	integer	I	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.realign_test	Number of realign tests done	integer	I	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.reconnects	Number of times the nfs client has had to reconnect	integer	I	RD, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.skip_wcc_data_onerr	Disable weak cache consistency checking when server returns an error	integer	I	RD, WR, MPSAFE	Defined	3. 58. [dyn]
vfs.nfs.use_buf_pager	Use buffer pager instead of direct readrpc call	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 58. [dyn]
vfs.nfs.userhashsize	Size of hash tables for uid/name mapping	integer	I	RD, TUN, MPSAFE, NOFETCH	Defined	3. 58. [dyn]
vfs.nfsd	NFS server	node	N	RD, WR, MPSAFE	Undefined	3. [dyn]
vfs.nfsd.allowreadforwriteopen	Allow Reads to be done with Write Access StateIDs	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.async	Tell client that writes were synced even though they were not	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.cachetcp	Enable the DRC for NFS over TCP	unsigned integer	IU	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.clienthashsize	Size of client hash table set via loader.conf	integer	I	RD, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]. [dyn]
vfs.nfsd.commit_blks		integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.commit_miss		integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.debuglevel	Debug level for NFS server	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.default_flexfile	Make Flex File Layout the default for pNFS	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.dsdirsize	Number of dsN subdirs on the DS servers	unsigned integer	IU	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.enable_checkutf8	Enable the NFSv4 check for the UTF8 compliant name required by rfc3530	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.enable_locallocks	Enable nfsd to acquire local locks on files	integer	IU	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.enable_nobodycheck	Enable the NFSv4 check when setting user nobody as owner	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.enable_nogroupcheck	Enable the NFSv4 check when setting group nogroup as owner	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.enable_stringtouid	Enable nfsd to accept numeric owner_names	integer	I	RD, WR, MPSAFE, VNET	Defined	3. [dyn]. [dyn]
vfs.nfsd.enable_v42allocate	Enable NFSv4.2 Allocate operation	uint8_t	CU	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.fha	NFS File Handle Affinity (FHA)	node	N	RD, MPSAFE	Undefined	3. [dyn]. [dyn]
vfs.nfsd.fha.bin_shift	Maximum locality distance 2^(bin_shift) bytes	unsigned integer	IU	RD, WR, TUN, MPSAFE, VNET	Defined	3. [dyn]. [dyn]. [dyn]
vfs.nfsd.fha.enable	Enable NFS File Handle Affinity (FHA)	unsigned integer	IU	RD, WR, TUN, MPSAFE, VNET	Defined	3. [dyn]. [dyn]. [dyn]
vfs.nfsd.fha.fhe_stats		string	A	RD, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.nfsd.fha.max_nfsds_per_fh	Maximum nfsd threads that should be working on requests for the same file handle	unsigned integer	IU	RD, WR, TUN, MPSAFE, VNET	Defined	3. [dyn]. [dyn]. [dyn]
vfs.nfsd.fha.max_reqs_per_nfsd	Maximum requests that single nfsd thread should be working on at any time	unsigned integer	IU	RD, WR, TUN, MPSAFE, VNET	Defined	3. [dyn]. [dyn]. [dyn]
vfs.nfsd.fha.read	Enable NFS FHA read locality	unsigned integer	IU	RD, WR, TUN, MPSAFE, VNET	Defined	3. [dyn]. [dyn]. [dyn]
vfs.nfsd.fha.write	Enable NFS FHA write locality	unsigned integer	IU	RD, WR, TUN, MPSAFE, VNET	Defined	3. [dyn]. [dyn]. [dyn]
vfs.nfsd.fhhashsize	Size of file handle hash table set via loader.conf	integer	I	RD, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]. [dyn]
vfs.nfsd.flexlinuxhack	For Linux clients, hack around Flex File Layout bug	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.groups	Number of thread groups	integer	I	RD, DYN, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.issue_delegations	Enable nfsd to issue delegations	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.layouthighwater	High water mark for number of layouts set via loader.conf	integer	I	RD, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]. [dyn]
vfs.nfsd.linux42server	Enable Linux style NFSv4.2 server (non-RFC compliant)	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.maxcopyrange	Max size of a Copy so RPC times reasonable	uint64_t	QU	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.maxthreads	Maximal number of threads	integer	I	RD, WR, DYN, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.minthreads	Minimal number of threads	integer	I	RD, WR, DYN, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.mirrormnt	Enable nfsd to cross mount points	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.nfs_privport	Only allow clients using a privileged port for NFSv2, 3 and 4	integer	I	RD, WR, TUN, MPSAFE, VNET	Defined	3. [dyn]. [dyn]
vfs.nfsd.owner_major	Server owner major	string	A	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]. [dyn]
vfs.nfsd.owner_minor	Server owner minor	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]. [dyn]
vfs.nfsd.pnfsgetdsattr	When set getattr gets DS attributes via RPC	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.pnfsstrictatime	For pNFS service, do Getattr ops to keep atime up-to-date	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.request_space_high	Maximum space in parsed but not handled requests.	unsigned long	LU	RD, WR, DYN, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.request_space_low	Low water mark for request space.	unsigned long	LU	RD, WR, DYN, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.request_space_throttle_count	Count of times throttling based on request space has occurred	integer	I	RD, DYN, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.request_space_throttled	Whether nfs requests are currently throttled	integer	I	RD, DYN, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.request_space_used	Space in parsed but not handled requests.	unsigned long	LU	RD, DYN, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.request_space_used_highest	Highest space used since reboot.	unsigned long	LU	RD, DYN, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.scope	Server scope	string	A	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]. [dyn]
vfs.nfsd.server_max_minorversion4	The highest minor version of NFSv4 handled by the server	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]. [dyn]
vfs.nfsd.server_max_nfsvers	The highest version of NFS handled by the server	integer	I	RD, WR, TUN, MPSAFE, VNET	Defined	3. [dyn]. [dyn]
vfs.nfsd.server_min_minorversion4	The lowest minor version of NFSv4 handled by the server	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]. [dyn]
vfs.nfsd.server_min_nfsvers	The lowest version of NFS handled by the server	integer	I	RD, WR, TUN, MPSAFE, VNET	Defined	3. [dyn]. [dyn]
vfs.nfsd.sessionhashsize	Size of session hash table set via loader.conf	integer	I	RD, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]. [dyn]
vfs.nfsd.srvmaxio	Maximum I/O size in bytes	unsigned integer	IU	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.statehashsize	Size of state hash table set via loader.conf	integer	I	RD, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]. [dyn]
vfs.nfsd.tcpcachetimeo	Timeout for TCP entries in the DRC	unsigned integer	IU	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.tcphighwater	High water mark for TCP cache entries	unsigned integer	IU	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.testing_disable_grace	Disable grace for testing	uint8_t	CU	RD, WR, MPSAFE, VNET	Defined	3. [dyn]. [dyn]
vfs.nfsd.threads	Current number of threads	integer	I	RD, DYN, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.udphighwater	High water mark for UDP cache entries	unsigned integer	IU	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.v4openaccess	Enable Linux style NFSv4 Open access check	uint8_t	CU	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nfsd.v4statelimit	High water limit for NFSv4 opens+locks+delegations	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]. [dyn]
vfs.nfsd.writedelegifpos	Issue a write delegation for read opens if possible	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]
vfs.nlm	Network Lock Manager	node	N	RD, WR, MPSAFE	Undefined	3. [dyn]
vfs.nlm.sysid		node	N	RD, WR, MPSAFE	Undefined	3. [dyn]. [dyn]
vfs.notbufdflushes	Number of dirty buffer flushes done by the bufdaemon helpers	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]
vfs.nullfs	nullfs	node	N	RD, WR	Undefined	3. 41
vfs.nullfs.cache_vnodes	cache free nullfs vnodes	uint8_t	CU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 41. [dyn]
vfs.numbufallocfails	Number of times buffer allocations failed	uint64_t	QU	RD, WR, MPSAFE, STATS	Defined	3. [dyn]
vfs.numdirtybuffers	Number of buffers that are dirty (has unwritten changes) at the moment	integer	I	RD, MPSAFE	Defined	3. [dyn]
vfs.numfreebuffers	Number of free buffers	integer	I	RD, MPSAFE	Defined	3. [dyn]
vfs.numvnodes	Number of vnodes in existence (legacy)	unsigned long	LU	RD, MPSAFE	Defined	3. [dyn]
vfs.pfs	pseudofs	node	N	RD, WR, MPSAFE	Undefined	3. [dyn]
vfs.pfs.vncache	pseudofs vnode cache	node	N	RD, WR, MPSAFE	Undefined	3. [dyn]. [dyn]
vfs.pfs.vncache.entries	number of entries in the vnode cache	integer	I	RD, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.pfs.vncache.hits	number of cache hits since initialization	integer	I	RD, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.pfs.vncache.maxentries	highest number of entries in the vnode cache	integer	I	RD, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.pfs.vncache.misses	number of cache misses since initialization	integer	I	RD, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.read_max	Cluster read-ahead max block count	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.read_min	Cluster read min block count	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.recursive_forced_unmount	Recursively unmount stacked upper mounts when a file system is forcibly unmounted	uint8_t	CU	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.recursiveflushes	Number of flushes skipped due to being recursive	integer	I	RD, WR, MPSAFE, STATS	Defined	3. [dyn]
vfs.recycles	Number of vnodes recycled to meet vnode cache targets (legacy)	unsigned long	LU	RD, MPSAFE, STATS	Defined	3. [dyn]
vfs.recycles_free	Number of free vnodes recycled to meet vnode cache targets (legacy)	unsigned long	LU	RD, MPSAFE, STATS	Defined	3. [dyn]
vfs.root_mount_always_wait	Wait for root mount holds even if the root device already exists	integer	I	RD, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]
vfs.root_mount_hold	List of root mount hold tokens	string	A	RD, MPSAFE	Defined	3. [dyn]
vfs.runningbufspace	Amount of presently outstanding async buffer io	long integer	L	RD, MPSAFE	Defined	3. [dyn]
vfs.timestamp_precision	File timestamp precision (0: seconds, 1: sec + ns accurate to 1/HZ, 2: sec + ns truncated to us, 3+: sec + ns (max. precision))	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.tmpfs	tmpfs file system	node	N	RD, WR, MPSAFE	Undefined	3. 135
vfs.tmpfs.memory_percent	Percent of available memory that can be used if no size limit	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 135. [dyn]
vfs.tmpfs.memory_reserved	Amount of available memory and swap below which tmpfs growth stops	long integer	L	RD, WR, MPSAFE	Defined	3. 135. [dyn]
vfs.tmpfs.rename_restarts	Times rename had to restart due to lock contention	integer	I	RD, MPSAFE	Defined	3. 135. [dyn]
vfs.typenumhash	Set vfc_typenum using a hash calculation on vfc_name, so that it does not change when file systems are loaded in a different order.	integer	I	RD, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]
vfs.ufs	UFS filesystem	node	N	RD, MPSAFE	Undefined	3. 53
vfs.ufs.dirhash_docheck	enable extra sanity tests	integer	I	RD, WR, MPSAFE	Defined	3. 53. [dyn]
vfs.ufs.dirhash_lowmemcount	number of times low memory hook called	integer	I	RD, MPSAFE	Defined	3. 53. [dyn]
vfs.ufs.dirhash_maxmem	maximum allowed dirhash memory usage	integer	I	RD, WR, MPSAFE	Defined	3. 53. [dyn]
vfs.ufs.dirhash_mem	current dirhash memory usage	integer	I	RD, MPSAFE	Defined	3. 53. [dyn]
vfs.ufs.dirhash_minsize	minimum directory size in bytes for which to use hashed lookup	integer	I	RD, WR, MPSAFE	Defined	3. 53. [dyn]
vfs.ufs.dirhash_reclaimpercent	set percentage of dirhash cache to be removed in low VM events	integer	I	RD, WR, NEEDGIANT	Defined	3. 53. [dyn]
vfs.ufs.rename_restarts	Times rename had to restart due to lock contention	integer	I	RD, MPSAFE	Defined	3. 53. [dyn]
vfs.unmapped_buf_allowed	Permit the use of the unmapped i/o	integer	I	RD, TUN, MPSAFE, NOFETCH	Defined	3. [dyn]
vfs.usermount	Unprivileged users may mount and unmount file systems	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.vmiodirenable	Use the VM system for directory writes	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.vnode	vnode configuration and statistics	node	N	RD, WR, MPSAFE	Undefined	3. [dyn]
vfs.vnode.param	vnode configuration	node	N	RD, WR, MPSAFE	Undefined	3. [dyn]. [dyn]
vfs.vnode.param.can_skip_requeue	Is LRU requeue skippable	uint8_t	CU	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.vnode.param.limit	Target for maximum number of vnodes	unsigned long	LU	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.vnode.param.wantfree	Target for minimum number of "free" vnodes	unsigned long	LU	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.vnode.stats	vnode statistics	node	N	RD, WR, MPSAFE	Undefined	3. [dyn]. [dyn]
vfs.vnode.stats.alloc_sleeps	Number of times vnode allocation blocked waiting on vnlru	unsigned long	LU	RD, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.vnode.stats.count	Number of vnodes in existence	unsigned long	LU	RD, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.vnode.stats.created	Number of vnodes created by getnewvnode	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.vnode.stats.free	Number of "free" vnodes	unsigned long	LU	RD, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.vnode.stats.skipped_requeues	Number of times LRU requeue was skipped due to lock contention	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.vnode.vnlru	vnode recycling	node	N	RD, WR, MPSAFE	Undefined	3. [dyn]. [dyn]
vfs.vnode.vnlru.direct_recycles_free	Number of free vnodes recycled by vn_alloc callers to meet vnode cache targets	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.vnode.vnlru.failed_runs	Number of times the vnlru process ran without success	integer	I	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.vnode.vnlru.kicks	Number of times vnlru awakened due to vnode shortage	unsigned long	LU	RD, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.vnode.vnlru.max_free_per_call	limit on vnode free requests per call to the vnlru_free routine	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]. [dyn]. [dyn]
vfs.vnode.vnlru.recycles	Number of vnodes recycled to meet vnode cache targets	unsigned long	LU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.vnode.vnlru.recycles_free	Number of free vnodes recycled to meet vnode cache targets	unsigned long	LU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.vnode.vnlru.uma_reclaim_calls	Number of calls to uma_reclaim	unsigned long	LU	RD, MPSAFE, STATS	Defined	3. [dyn]. [dyn]. [dyn]
vfs.vnodes_created	Number of vnodes created by getnewvnode (legacy)	uint64_t	QU	RD, MPSAFE, STATS	Defined	3. [dyn]
vfs.wantfreevnodes	Target for minimum number of "free" vnodes (legacy)	unsigned long	LU	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.worklist_len	Syncer thread worklist length	integer	I	RD, MPSAFE	Defined	3. [dyn]
vfs.write_behind	Cluster write-behind; 0: disable, 1: enable, 2: backed off	integer	I	RD, WR, MPSAFE	Defined	3. [dyn]
vfs.zfs	ZFS file system	node	N	RD, WR	Undefined	3. 222
vfs.zfs.abd_scatter_enabled	Enable scattered ARC data buffers	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.abd_scatter_min_size	Minimum size of scatter allocations.	unsigned long	LU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.abort_size	Minimal size of block to attempt early abort	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.active_allocator	SPA active allocator	string	A	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.allow_redacted_dataset_mount	Allow mounting of redacted datasets	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.anon_data_esize	size of evictable data in anonymous state	uint64_t	QU	RD, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.anon_metadata_esize	size of evictable metadata in anonymous state	uint64_t	QU	RD, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.anon_size	size of anonymous state	int64_t	Q	RD, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.arc	ZFS adaptive replacement cache	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.arc.average_blocksize	Target average block size	unsigned integer	IU	RD, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.arc.dnode_limit	Minimum bytes of dnodes in ARC	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.arc.dnode_limit_percent	Percent of ARC meta buffers for dnodes	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.arc.dnode_reduce_percent	Percentage of excess dnodes to try to unpin	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.arc.evict_batch_limit	The number of headers to evict per sublist before moving to the next	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.arc.eviction_pct	When full, ARC allocation waits for eviction of this % of alloc size	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.arc.free_target	Desired number of free pages below which ARC triggers reclaim	unsigned integer	IU	RD, WR, MPSAFE	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.arc.grow_retry	Seconds before growing ARC size	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.arc.lotsfree_percent	System free memory I/O throttle in bytes	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.arc.max	Maximum ARC size in bytes	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.arc.meta_balance	Balance between metadata and data on ghost hits.	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.arc.min	Minimum ARC size in bytes	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.arc.min_prefetch_ms	Min life of prefetch block in ms	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.arc.min_prescient_prefetch_ms	Min life of prescient prefetched block in ms	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.arc.no_grow_shift	log2(fraction of ARC which must be free to allow growing)	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.arc.pc_percent	Percent of pagecache to reclaim ARC to	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.arc.prune_task_threads	Number of arc_prune threads	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.arc.shrink_shift	log2(fraction of ARC to reclaim)	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.arc.sys_free	System free memory target size in bytes	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.arc_free_target	Desired number of free pages below which ARC triggers reclaim (LEGACY)	unsigned integer	IU	RD, WR, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.arc_max	Maximum ARC size in bytes (LEGACY)	unsigned long	LU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.arc_min	Minimum ARC size in bytes (LEGACY)	unsigned long	LU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.arc_no_grow_shift	log2(fraction of ARC which must be free to allow growing) (LEGACY)	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.async_block_max_blocks	Max number of blocks freed in one txg	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.autoimport_disable	Disable pool import at module load	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.bclone_enabled	Enable block cloning	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.bclone_wait_dirty	Wait for dirty blocks when cloning	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.blake3_impl	Select BLAKE3 implementation.	string	A	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.brt	ZFS Block Reference Table	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.brt.brt_zap_default_bs	BRT ZAP leaf blockshift	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.brt.brt_zap_default_ibs	BRT ZAP indirect blockshift	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.brt.brt_zap_prefetch	Enable prefetching of BRT ZAP entries	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.btree_verify_intensity	Enable btree verification. Levels above 4 require ZFS be built with debugging	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.ccw_retry_interval	Configuration cache file write, retry after failure, interval (seconds)	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.checksum_events_per_second	Rate limit checksum events to this many checksum errors per second (do not set below ZED threshold).	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.commit_timeout_pct	ZIL block open timeout percentage	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.compressed_arc_enabled	Disable compressed ARC buffers	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.condense	ZFS condense	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.condense.indirect_commit_entry_delay_ms	Used by tests to ensure certain actions happen in the middle of a condense. A maximum value of 1 should be sufficient.	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.condense.indirect_obsolete_pct	Minimum obsolete percent of bytes in the mapping to attempt condensing	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.condense.indirect_vdevs_enable	Whether to attempt condensing indirect vdev mappings	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.condense.max_obsolete_bytes	Minimum size obsolete spacemap to attempt condensing	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.condense.min_mapping_bytes	Don't bother condensing if the mapping uses less than this amount of memory	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.condense_pct	Condense on-disk spacemap when it is more than this many percents of in-memory counterpart	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.cpus_per_allocator	Minimum number of CPUs per allocators	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.crypt_sessions	Number of cryptographic sessions created	integer	I	RD, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.dbgmsg_enable	Enable ZFS debug message log	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.dbgmsg_maxsize	Maximum ZFS debug log size	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.dbuf	ZFS disk buf cache	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.dbuf.cache_shift	Set size of dbuf cache to log2 fraction of arc size.	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.dbuf.metadata_cache_max_bytes	Maximum size in bytes of dbuf metadata cache.	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.dbuf.metadata_cache_shift	Set size of dbuf metadata cache to log2 fraction of arc size.	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.dbuf.mutex_cache_shift	Set size of dbuf cache mutex array as log2 shift.	unsigned integer	IU	RD, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.dbuf_cache	ZFS disk buf cache	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.dbuf_cache.hiwater_pct	Percentage over dbuf_cache_max_bytes for direct dbuf eviction.	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.dbuf_cache.lowater_pct	Percentage below dbuf_cache_max_bytes when dbuf eviction stops.	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.dbuf_cache.max_bytes	Maximum size in bytes of the dbuf cache.	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.dbuf_state_index	Calculate arc header index	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.ddt_data_is_special	Place DDT data into the special class	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.deadman	ZFS deadman	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.deadman.checktime_ms	Dead I/O check interval in milliseconds	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.deadman.enabled	Enable deadman timer	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.deadman.failmode	Failmode for deadman timer	string	A	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.deadman.synctime_ms	Pool sync expiration time in milliseconds	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.deadman.ziotime_ms	IO expiration time in milliseconds	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.deadman_events_per_second	Rate limit hung IO (deadman) events to this many per second	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.debug	Debug level	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.debugflags	Debug flags for ZFS testing.	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.dedup	ZFS dedup	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.dedup.ddt_zap_default_bs	DDT ZAP leaf blockshift	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.dedup.ddt_zap_default_ibs	DDT ZAP indirect blockshift	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.dedup.log_cap	Soft cap for the size of the current dedup log	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.dedup.log_flush_entries_max	Max number of log entries to flush each transaction	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.dedup.log_flush_entries_min	Min number of log entries to flush each transaction	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.dedup.log_flush_flow_rate_txgs	Number of txgs to average flow rates across	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.dedup.log_flush_min_time_ms	Min time to spend on incremental dedup log flush each transaction	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.dedup.log_flush_txgs	Number of TXGs to try to rotate the log in	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.dedup.log_hard_cap	Whether to use the soft cap as a hard cap	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.dedup.log_mem_max	Max memory for dedup logs	uint64_t	QU	RD, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.dedup.log_mem_max_percent	Max memory for dedup logs, as % of total memory	unsigned integer	IU	RD, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.dedup.log_txg_max	Max transactions before starting to flush dedup logs	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.dedup.prefetch	Enable prefetching dedup-ed blks	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.default_bs	Default dnode block shift	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.default_ibs	Default dnode indirect block shift	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.delay_min_dirty_percent	Transaction delay threshold	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.delay_scale	How quickly delay approaches infinity	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.dio_enabled	Enable Direct I/O	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.dio_write_verify_events_per_second	Rate Direct I/O write verify events to this many per second	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.dirty_data_max	Determines the dirty space limit	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.dirty_data_max_max	zfs_dirty_data_max upper bound in bytes	uint64_t	QU	RD, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.dirty_data_max_max_percent	zfs_dirty_data_max upper bound as % of RAM	unsigned integer	IU	RD, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.dirty_data_max_percent	Max percent of RAM allowed to be dirty	unsigned integer	IU	RD, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.dirty_data_sync_percent	Dirty data txg sync threshold as a percentage of zfs_dirty_data_max	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.disable_ivset_guid_check	Set to allow raw receives without IVset guids	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.dmu_ddt_copies	Override copies= for dedup objects	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.dmu_object_alloc_chunk_shift	CPU-specific allocator grabs 2^N objects at once	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.dmu_offset_next_sync	Enable forcing txg sync to find holes	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.dmu_prefetch_max	Limit one prefetch call to this size	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.dtl_sm_blksz	Block size for DTL space map. Power of 2 greater than 4096.	integer	I	RD, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.earlyabort_pass	Enable early abort attempts when using zstd	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.embedded_slog_min_ms	Minimum number of metaslabs required to dedicate one for log blocks	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.flags	Set additional debugging flags	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.fletcher_4_impl	Select fletcher 4 implementation.	string	A	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.free_bpobj_enabled	Enable processing of the free_bpobj	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.free_leak_on_eio	Set to ignore IO errors during free and permanently leak the space	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.free_min_time_ms	Min millisecs to free per txg	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.history_output_max	Maximum size in bytes of ZFS ioctl output that will be logged	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.immediate_write_sz	Largest data block to write to zil	int64_t	Q	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.initialize_chunk_size	Size in bytes of writes by zpool initialize	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.initialize_value	Value written during zpool initialize	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.keep_log_spacemaps_at_export	Prevent the log spacemaps from being flushed and destroyed during pool export/destroy	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.l2arc	ZFS l2arc	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.l2arc.exclude_special	Exclude dbufs on special vdevs from being cached to L2ARC if set.	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.l2arc.feed_again	Turbo L2ARC warmup	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.l2arc.feed_min_ms	Min feed interval in milliseconds	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.l2arc.feed_secs	Seconds between L2ARC writing	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.l2arc.headroom	Number of max device writes to precache	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.l2arc.headroom_boost	Compressed l2arc_headroom multiplier	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.l2arc.meta_percent	Percent of ARC size allowed for L2ARC-only headers	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.l2arc.mfuonly	Cache only MFU data from ARC into L2ARC	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.l2arc.noprefetch	Skip caching prefetched buffers	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.l2arc.norw	No reads during writes	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.l2arc.rebuild_blocks_min_l2size	Min size in bytes to write rebuild log blocks in L2ARC	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.l2arc.rebuild_enabled	Rebuild the L2ARC when importing a pool	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.l2arc.trim_ahead	TRIM ahead L2ARC write size multiplier	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.l2arc.write_boost	Extra write bytes during device warmup	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.l2arc.write_max	Max write bytes per interval	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.l2arc_feed_again	Turbo L2ARC warmup (LEGACY)	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.l2arc_feed_min_ms	Min feed interval in milliseconds (LEGACY)	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.l2arc_feed_secs	Seconds between L2ARC writing (LEGACY)	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.l2arc_headroom	Number of max device writes to precache (LEGACY)	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.l2arc_headroom_boost	Compressed l2arc_headroom multiplier (LEGACY)	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.l2arc_noprefetch	Skip caching prefetched buffers (LEGACY)	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.l2arc_norw	No reads during writes (LEGACY)	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.l2arc_write_boost	Extra write bytes during device warmup (LEGACY)	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.l2arc_write_max	Max write bytes per interval (LEGACY)	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.l2c_only_size	size of l2c_only state	int64_t	Q	RD, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.livelist	ZFS livelist	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.livelist.condense	ZFS livelist condense	node	N	RD, WR	Undefined	3. 222. [dyn]. [dyn]
vfs.zfs.livelist.condense.new_alloc	Whether extra ALLOC blkptrs were added to a livelist entry while it was being condensed	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]. [dyn]
vfs.zfs.livelist.condense.sync_cancel	Whether livelist condensing was canceled in the synctask	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]. [dyn]
vfs.zfs.livelist.condense.sync_pause	Set the livelist condense synctask to pause	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]. [dyn]
vfs.zfs.livelist.condense.zthr_cancel	Whether livelist condensing was canceled in the zthr function	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]. [dyn]
vfs.zfs.livelist.condense.zthr_pause	Set the livelist condense zthr to pause	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]. [dyn]
vfs.zfs.livelist.max_entries	Size to start the next sub-livelist in a livelist	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.livelist.min_percent_shared	Threshold at which livelist is disabled	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.lua	ZFS lua	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.lua.max_instrlimit	Max instruction limit that can be specified for a channel program	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.lua.max_memlimit	Max memory limit that can be specified for a channel program	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.max_async_dedup_frees	Max number of dedup blocks freed in one txg	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.max_auto_ashift	Max ashift used when optimizing for logical -> physical sector size on new top-level vdevs. (LEGACY)	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.max_dataset_nesting	Limit to the amount of nesting a path can have. Defaults to 50.	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.max_log_walking	The number of past TXGs that the flushing algorithm of the log spacemap feature uses to estimate incoming log blocks	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.max_logsm_summary_length	Maximum number of rows allowed in the summary of the spacemap log	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.max_missing_tvds	Allow importing pool with up to this number of missing top-level vdevs (in read-only mode)	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.max_missing_tvds_cachefile	Allow importing pools with missing top-level vdevs in cache file	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.max_missing_tvds_scan	Allow importing pools with missing top-level vdevs during scan	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.max_nvlist_src_size	Maximum size in bytes allowed for src nvlist passed with ZFS ioctls	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.max_recordsize	Max allowed record size	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.metaslab	ZFS metaslab	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.metaslab.aliquot	Allocation granularity (a.k.a. stripe size)	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.bias_enabled	Enable space-based metaslab group biasing	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.debug_load	Load all metaslabs when pool is first opened	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.debug_unload	Prevent metaslabs from being unloaded	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.df_alloc_threshold	Minimum size which forces the dynamic allocator to change its allocation strategy	int64_t	Q	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.df_free_pct	The minimum free space, in percent, which must be available in a space map to continue allocations in a first-fit fashion	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.df_max_search	Max distance (bytes) to search forward before using size tree	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.df_use_largest_segment	When looking in size tree, use largest segment instead of exact fit	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.find_max_tries	Normally only consider this many of the best metaslabs in each vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.force_ganging	Blocks larger than this size are sometimes forced to be gang blocks	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.force_ganging_pct	Percentage of large blocks that will be forced to be gang blocks	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.fragmentation_factor_enabled	Use the fragmentation metric to prefer less fragmented metaslabs	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.fragmentation_threshold	Fragmentation for metaslab to allow allocation	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.lba_weighting_enabled	Prefer metaslabs with lower LBAs	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.max_size_cache_sec	How long to trust the cached max chunk size of a metaslab	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.mem_limit	Percentage of memory that can be used to store metaslab range trees	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.perf_bias	Enable performance-based metaslab group biasing	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.preload_enabled	Preload potential metaslabs during reassessment	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.preload_limit	Max number of metaslabs per group to preload	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.preload_pct	Percentage of CPUs to run a metaslab preload taskq	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.segment_weight_enabled	Enable segment-based metaslab selection	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.sm_blksz_no_log	Block size for space map in pools with log space map disabled. Power of 2 greater than 4096.	integer	I	RD, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.sm_blksz_with_log	Block size for space map in pools with log space map enabled. Power of 2 greater than 4096.	integer	I	RD, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.switch_threshold	Segment-based metaslab selection maximum buckets before switching	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.try_hard_before_gang	Try hard to allocate before ganging	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.unload_delay	Delay in txgs after metaslab was last used before unloading	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.metaslab.unload_delay_ms	Delay in milliseconds after metaslab was last used before unloading	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.mfu_data_esize	size of evictable data in mfu state	uint64_t	QU	RD, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.mfu_ghost_data_esize	size of evictable data in mfu ghost state	uint64_t	QU	RD, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.mfu_ghost_metadata_esize	size of evictable metadata in mfu ghost state	uint64_t	QU	RD, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.mfu_ghost_size	size of mfu ghost state	int64_t	Q	RD, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.mfu_metadata_esize	size of evictable metadata in mfu state	uint64_t	QU	RD, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.mfu_size	size of mfu state	int64_t	Q	RD, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.mg	ZFS metaslab group	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.mg.fragmentation_threshold	Percentage of metaslab group size that should be considered eligible for allocations unless all metaslab groups within the metaslab class have also crossed this threshold	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.mg.noalloc_threshold	Percentage of metaslab group size that should be free to make it eligible for allocation	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.min_auto_ashift	Min ashift used when creating new top-level vdev. (LEGACY)	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.min_metaslabs_to_flush	Minimum number of metaslabs to flush per dirty TXG	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.mru_data_esize	size of evictable data in mru state	uint64_t	QU	RD, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.mru_ghost_data_esize	size of evictable data in mru ghost state	uint64_t	QU	RD, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.mru_ghost_metadata_esize	size of evictable metadata in mru ghost state	uint64_t	QU	RD, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.mru_ghost_size	size of mru ghost state	int64_t	Q	RD, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.mru_metadata_esize	size of evictable metadata in mru state	uint64_t	QU	RD, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.mru_size	size of mru state	int64_t	Q	RD, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.multihost	ZFS multihost protection	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.multihost.fail_intervals	Max allowed period without a successful mmp write	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.multihost.history	Historical statistics for last N multihost writes	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.multihost.import_intervals	Number of zfs_multihost_interval periods to wait for activity	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.multihost.interval	Milliseconds between mmp writes to each leaf	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.multilist_num_sublists	Number of sublists used in each multilist	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.no_scrub_io	Set to disable scrub I/O	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.no_scrub_prefetch	Set to disable scrub prefetching	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.nocacheflush	Disable cache flushes	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.nopwrite_enabled	Enable NOP writes	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.num_allocators	Number of allocators per spa	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.obsolete_min_time_ms	Min millisecs to obsolete per txg	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.pd_bytes_max	Max number of bytes to prefetch	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.per_txg_dirty_frees_percent	Percentage of dirtied blocks from frees in one TXG	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.prefetch	ZFS prefetch	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.prefetch.disable	Disable all ZFS prefetching	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.prefetch.hole_shift	Max log2 fraction of holes in a stream	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.prefetch.max_distance	Max bytes to prefetch per stream	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.prefetch.max_idistance	Max bytes to prefetch indirects for per stream	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.prefetch.max_reorder	Max request reorder distance within a stream	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.prefetch.max_sec_reap	Max time before stream delete	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.prefetch.max_streams	Max number of streams per zfetch	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.prefetch.min_distance	Min bytes to prefetch per stream	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.prefetch.min_sec_reap	Min time before stream reclaim	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.read_history	Historical statistics for the last N reads	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.read_history_hits	Include cache hits in read history	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.rebuild_max_segment	Max segment size in bytes of rebuild reads	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.rebuild_scrub_enabled	Automatically scrub after sequential resilver completes	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.rebuild_vdev_limit	Max bytes in flight per leaf vdev for sequential resilvers	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.reconstruct	ZFS reconstruct	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.reconstruct.indirect_combinations_max	Maximum number of combinations when reconstructing split segments	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.recover	Set to attempt to recover from fatal errors	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.recv	ZFS receive	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.recv.best_effort_corrective	Ignore errors during corrective receive	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.recv.queue_ff	Receive queue fill fraction	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.recv.queue_length	Maximum receive queue length	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.recv.write_batch_size	Maximum amount of writes to batch into one transaction	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.removal_suspend_progress	Ensures certain actions can happen while in the middle of a removal	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.remove_max_segment	Largest contiguous segment ZFS will attempt to allocate when removing a device	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.resilver_defer_percent	Issued IO percent complete after which resilvers are deferred	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.resilver_disable_defer	Process all resilvers immediately	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.resilver_min_time_ms	Min millisecs to resilver per txg	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.scan_blkstats	Enable block statistics calculation during scrub	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.scan_checkpoint_intval	Scan progress on-disk checkpointing interval	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.scan_fill_weight	Tunable to adjust bias towards more filled segments during scans	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.scan_ignore_errors	Ignore errors during resilver/scrub	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.scan_issue_strategy	IO issuing strategy during scrubbing. 0 = default, 1 = LBA, 2 = size	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.scan_legacy	Scrub using legacy non-sequential method	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.scan_max_ext_gap	Max gap in bytes between sequential scrub / resilver I/Os	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.scan_mem_lim_fact	Fraction of RAM for scan hard limit	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.scan_mem_lim_soft_fact	Fraction of hard limit used as soft limit	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.scan_report_txgs	Tunable to report resilver performance over the last N txgs	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.scan_strict_mem_lim	Tunable to attempt to reduce lock contention	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.scan_suspend_progress	Set to prevent scans from progressing	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.scan_vdev_limit	Max bytes in flight per leaf vdev for scrubs and resilvers	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.scrub_after_expand	For expanded RAIDZ, automatically start a pool scrub when expansion completes	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.scrub_error_blocks_per_txg	Error blocks to be scrubbed in one txg	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.scrub_min_time_ms	Min millisecs to scrub per txg	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.send	ZFS send	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.send.corrupt_data	Allow sending corrupt data	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.send.no_prefetch_queue_ff	Send queue fill fraction for non-prefetch queues	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.send.no_prefetch_queue_length	Maximum send queue length for non-prefetch queues	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.send.override_estimate_recordsize	Override block size estimate with fixed size	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.send.queue_ff	Send queue fill fraction	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.send.queue_length	Maximum send queue length	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.send.unmodified_spill_blocks	Send unmodified spill blocks	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.send_holes_without_birth_time	Ignore hole_birth txg for zfs send	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.sha256_impl	Select SHA256 implementation.	string	A	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.sha512_impl	Select SHA512 implementation.	string	A	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.slow_io_events_per_second	Rate limit slow IO (delay) events to this many per second	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.snapshot_history_enabled	Include snapshot events in pool history/events	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.spa	ZFS space allocation	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.spa.asize_inflation	SPA size estimate multiplication factor	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.spa.discard_memory_limit	Limit for memory used in prefetching the checkpoint space map done on each vdev while discarding the checkpoint	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.spa.load_print_vdev_tree	Print vdev tree to zfs_dbgmsg during pool import	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.spa.load_verify_data	Set to traverse data on pool import	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.spa.load_verify_metadata	Set to traverse metadata on pool import	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.spa.load_verify_shift	log2 fraction of arc that can be used by inflight I/Os when verifying pool during import	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.spa.slop_shift	Reserved free space in pool	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.spa.upgrade_errlog_limit	Limit the number of errors which will be upgraded to the new on-disk error log when enabling head_errlog	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.space_map_ibs	Space map indirect block shift	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.special_class_metadata_reserve_pct	Small file blocks in special vdevs depends on this much free space available	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.standard_sm_blksz	Block size for standard space map. Power of 2 greater than 4096.	integer	I	RD, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.super_owner	File system owners can perform privileged operation on file systems	integer	I	RD, WR, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.sync_pass_deferred_free	Defer frees starting in this pass	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.sync_pass_dont_compress	Don't compress starting in this pass	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.sync_pass_rewrite	Rewrite new bps starting in this pass	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.sync_taskq_batch_pct	Max percent of CPUs that are used to sync dirty data	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.top_maxinflight	The maximum number of I/Os of all types active for each device. (LEGACY)	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.traverse_indirect_prefetch_limit	Traverse prefetch number of blocks pointed by indirect block	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.trim	ZFS TRIM	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.trim.extent_bytes_max	Max size of TRIM commands, larger will be split	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.trim.extent_bytes_min	Min size of TRIM commands, smaller will be skipped	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.trim.metaslab_skip	Skip metaslabs which have never been initialized	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.trim.queue_limit	Max queued TRIMs outstanding per leaf vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.trim.txg_batch	Min number of txgs to aggregate frees before issuing TRIM	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.txg	ZFS transaction group	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.txg.history	Historical statistics for the last N txgs	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.txg.timeout	Max seconds worth of delta per txg	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.uncached_data_esize	size of evictable data in uncached state	uint64_t	QU	RD, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.uncached_metadata_esize	size of evictable metadata in uncached state	uint64_t	QU	RD, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.uncached_size	size of uncached state	int64_t	Q	RD, MPSAFE	Defined	3. 222. [dyn]
vfs.zfs.unflushed_log_block_max	Hard limit (upper-bound) in the size of the space map log in terms of blocks.	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.unflushed_log_block_min	Lower-bound limit for the maximum amount of blocks allowed in log spacemap (see zfs_unflushed_log_block_max)	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.unflushed_log_block_pct	Tunable used to determine the number of blocks that can be used for the spacemap log, expressed as a percentage of the total number of metaslabs in the pool (e.g. 400 means the number of log blocks is capped at 4 times the number of metaslabs)	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.unflushed_log_txg_max	Hard limit (upper-bound) in the size of the space map log in terms of dirty TXGs.	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.unflushed_max_mem_amt	Specific hard-limit in memory that ZFS allows to be used for unflushed changes	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.unflushed_max_mem_ppm	Percentage of the overall system memory that ZFS allows to be used for unflushed changes (value is calculated over 1000000 for finer granularity)	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.user_indirect_is_special	Place user data indirect blocks into the special class	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.validate_skip	Enable to bypass vdev_validate().	integer	I	RD, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.vdev	ZFS VDEV	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.vdev.aggregation_limit	Max vdev I/O aggregation size	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.aggregation_limit_non_rotating	Max vdev I/O aggregation size for non-rotating media	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.async_read_max_active	Max active async read I/Os per vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.async_read_min_active	Min active async read I/Os per vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.async_write_active_max_dirty_percent	Async write concurrency max threshold	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.async_write_active_min_dirty_percent	Async write concurrency min threshold	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.async_write_max_active	Max active async write I/Os per vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.async_write_min_active	Min active async write I/Os per vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.bio_delete_disable	Disable BIO_DELETE	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.bio_flush_disable	Disable BIO_FLUSH	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.cache	ZFS VDEV Cache	node	N	RD, WR	Undefined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.def_queue_depth	Default queue depth for each allocator	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.default_ms_count	Target number of metaslabs per top-level vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.default_ms_shift	Default lower limit for metaslab size	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.direct_write_verify	Direct I/O writes will perform for checksum verification before commiting write	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.expand_max_copy_bytes	Max amount of concurrent i/o for RAIDZ expansion	unsigned long	LU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.expand_max_reflow_bytes	For testing, pause RAIDZ expansion after reflowing this many bytes	unsigned long	LU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.file	ZFS VDEV file	node	N	RD, WR	Undefined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.file.logical_ashift	Logical ashift for file-based devices	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]. [dyn]
vfs.zfs.vdev.file.physical_ashift	Physical ashift for file-based devices	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]. [dyn]
vfs.zfs.vdev.initializing_max_active	Max active initializing I/Os per vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.initializing_min_active	Min active initializing I/Os per vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.io_aggregate_rows	For expanded RAIDZ, aggregate reads that have more rows than this	unsigned long	LU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.max_active	Maximum number of active I/Os per vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.max_auto_ashift	Maximum ashift used when optimizing for logical -> physical sector size on new top-level vdevs	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.max_ms_shift	Default upper limit for metaslab size	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.min_auto_ashift	Minimum ashift used when creating new top-level vdevs	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.min_ms_count	Minimum number of metaslabs per top-level vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.mirror	ZFS VDEV mirror	node	N	RD	Undefined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.mirror.non_rotating_inc	Non-rotating media load increment for non-seeking I/Os	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]. [dyn]
vfs.zfs.vdev.mirror.non_rotating_seek_inc	Non-rotating media load increment for seeking I/Os	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]. [dyn]
vfs.zfs.vdev.mirror.rotating_inc	Rotating media load increment for non-seeking I/Os	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]. [dyn]
vfs.zfs.vdev.mirror.rotating_seek_inc	Rotating media load increment for seeking I/Os	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]. [dyn]
vfs.zfs.vdev.mirror.rotating_seek_offset	Offset in bytes from the last I/O which triggers a reduced rotating media seek increment	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]. [dyn]
vfs.zfs.vdev.ms_count_limit	Practical upper limit of total metaslabs per top-level vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.nia_credit	Number of non-interactive I/Os to allow in sequence	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.nia_delay	Number of non-interactive I/Os before _max_active	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.queue_depth_pct	Queue depth percentage for each top-level vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.raidz_impl	RAIDZ implementation	string	A	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.read_gap_limit	Aggregate read I/O over gap	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.rebuild_max_active	Max active rebuild I/Os per vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.rebuild_min_active	Min active rebuild I/Os per vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.removal_ignore_errors	Ignore hard IO errors when removing device	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.removal_max_active	Max active removal I/Os per vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.removal_max_span	Largest span of free chunks a remap segment can span	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.removal_min_active	Min active removal I/Os per vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.removal_suspend_progress	Pause device removal after this many bytes are copied (debug use only - causes removal to hang)	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.remove_max_segment	Largest contiguous segment to allocate when removing device	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.scrub_max_active	Max active scrub I/Os per vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.scrub_min_active	Min active scrub I/Os per vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.sync_read_max_active	Max active sync read I/Os per vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.sync_read_min_active	Min active sync read I/Os per vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.sync_write_max_active	Max active sync write I/Os per vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.sync_write_min_active	Min active sync write I/Os per vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.trim_max_active	Max active trim/discard I/Os per vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.trim_min_active	Min active trim/discard I/Os per vdev	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.validate_skip	Bypass vdev_validate()	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vdev.write_gap_limit	Aggregate write I/O over gap	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.version	ZFS versions	node	N	RD	Undefined	3. 222. [dyn]
vfs.zfs.version.acl	ZFS_ACL_VERSION	integer	I	RD, MPSAFE	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.version.ioctl	ZFS_IOCTL_VERSION	integer	I	RD, MPSAFE	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.version.module	OpenZFS module version	string	A	RD, MPSAFE	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.version.spa	SPA_VERSION	integer	I	RD, MPSAFE	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.version.zpl	ZPL_VERSION	integer	I	RD, MPSAFE	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vnops	ZFS VNOPS	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.vnops.read_chunk_size	Bytes to read per chunk	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vol	ZFS VOLUME	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.vol.mode	Expose as GEOM providers (1), device files (2) or neither	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vol.recursive	Allow zpools to use zvols as vdevs (DANGEROUS)	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.vol.unmap_enabled	Enable UNMAP functionality	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.wrlog_data_max	The size limit of write-transaction zil log data	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.xattr_compat	Use legacy ZFS xattr naming for writing new user namespace xattrs	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.zap_iterate_prefetch	When iterating ZAP object, prefetch it	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.zap_micro_max_size	Maximum micro ZAP size before converting to a fat ZAP, in bytes (max 1M)	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.zap_shrink_enabled	Enable ZAP shrinking	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.zevent	ZFS event	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.zevent.len_max	Max event queue length	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zevent.retain_expire_secs	Expiration time for recent zevents records	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zevent.retain_max	Maximum recent zevents records to retain for duplicate checking	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zfetch	ZFS ZFETCH (LEGACY)	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.zfetch.max_distance	Max bytes to prefetch per stream (LEGACY)	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zfetch.max_idistance	Max bytes to prefetch indirects for per stream (LEGACY)	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zil	ZFS ZIL	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.zil.clean_taskq_maxalloc	Max number of taskq entries that are cached	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zil.clean_taskq_minalloc	Number of taskq entries that are pre-populated	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zil.clean_taskq_nthr_pct	Max percent of CPUs that are used per dp_sync_taskq	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zil.maxblocksize	Limit in bytes of ZIL log block size	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zil.maxcopied	Limit in bytes WR_COPIED size	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zil.nocacheflush	Disable ZIL cache flushes	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zil.replay_disable	Disable intent logging replay	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zil.slog_bulk	Limit in bytes slog sync writes per commit	uint64_t	QU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zil_saxattr	Disable xattr=sa extended attribute logging in ZIL by settng 0.	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]
vfs.zfs.zio	ZFS ZIO	node	N	RD, WR	Undefined	3. 222. [dyn]
vfs.zfs.zio.deadman_log_all	Log all slow ZIOs, not just those with vdevs	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zio.dva_throttle_enabled	Throttle block allocations in the ZIO pipeline	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zio.exclude_metadata	Exclude metadata buffers from dumps as well	integer	I	RD, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zio.requeue_io_start_cut_in_line	Prioritize requeued I/O	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zio.slow_io_ms	Max I/O completion time (milliseconds) before marking it as slow	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zio.taskq_batch_pct	Percentage of CPUs to run an IO worker thread	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zio.taskq_batch_tpq	Number of threads per IO worker taskqueue	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zio.taskq_read	Configure IO queues for read IO	string	A	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zio.taskq_write	Configure IO queues for write IO	string	A	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zio.taskq_write_tpq	Number of CPUs per write issue taskq	unsigned integer	IU	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]. [dyn]
vfs.zfs.zvol_enforce_quotas	Enable strict ZVOL quota enforcment	integer	I	RD, WR, TUN, MPSAFE, NOFETCH	Defined	3. 222. [dyn]