FSCK.ZFS(8) System Manager's Manual FSCK.ZFS(8) NAME fsck.zfs -- dummy ZFS filesystem checker SYNOPSIS fsck.zfs [options] dataseta| DESCRIPTION fsck.zfs is a thin shell wrapper that at most checks the status of a dataset's container pool. It is installed by OpenZFS because some Linux distributions expect a fsck helper for all filesystems. If more than one dataset is specified, each is checked in turn and the re- sults binary-ored. OPTIONS Ignored. NOTES ZFS datasets are checked by running zpool scrub on the containing pool. An individual ZFS dataset is never checked independently of its pool, which is unlike a regular filesystem. However, the fsck(8) interface still allows it to communicate some errors: if the dataset is in a degraded pool, then fsck.zfs will return exit code 4 to indicate an uncorrected filesystem error. Similarly, if the dataset is in a faulted pool and has a legacy /etc/fstab record, then fsck.zfs will return exit code 8 to indicate a fatal opera- tional error. SEE ALSO fstab(5), fsck(8), zpool-scrub(8) FreeBSD ports 15.quarterly May 26, 2021 FSCK.ZFS(8)
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