1eda14cbcSMatt Macy.\" 2eda14cbcSMatt Macy.\" CDDL HEADER START 3eda14cbcSMatt Macy.\" 4eda14cbcSMatt Macy.\" The contents of this file are subject to the terms of the 5eda14cbcSMatt Macy.\" Common Development and Distribution License (the "License"). 6eda14cbcSMatt Macy.\" You may not use this file except in compliance with the License. 7eda14cbcSMatt Macy.\" 8eda14cbcSMatt Macy.\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9eda14cbcSMatt Macy.\" or http://www.opensolaris.org/os/licensing. 10eda14cbcSMatt Macy.\" See the License for the specific language governing permissions 11eda14cbcSMatt Macy.\" and limitations under the License. 12eda14cbcSMatt Macy.\" 13eda14cbcSMatt Macy.\" When distributing Covered Code, include this CDDL HEADER in each 14eda14cbcSMatt Macy.\" file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15eda14cbcSMatt Macy.\" If applicable, add the following below this CDDL HEADER, with the 16eda14cbcSMatt Macy.\" fields enclosed by brackets "[]" replaced with your own identifying 17eda14cbcSMatt Macy.\" information: Portions Copyright [yyyy] [name of copyright owner] 18eda14cbcSMatt Macy.\" 19eda14cbcSMatt Macy.\" CDDL HEADER END 20eda14cbcSMatt Macy.\" 21eda14cbcSMatt Macy.\" Copyright 2013 Darik Horn <dajhorn@vanadac.com>. All rights reserved. 22eda14cbcSMatt Macy.\" 23*16038816SMartin Matuska.Dd May 26, 2021 24*16038816SMartin Matuska.Dt FSCK.ZFS 8 25*16038816SMartin Matuska.Os 26*16038816SMartin Matuska. 27*16038816SMartin Matuska.Sh NAME 28*16038816SMartin Matuska.Nm fsck.zfs 29*16038816SMartin Matuska.Nd dummy ZFS filesystem checker 30*16038816SMartin Matuska.Sh SYNOPSIS 31*16038816SMartin Matuska.Nm 32*16038816SMartin Matuska.Op Ar options 33*16038816SMartin Matuska.Ar dataset Ns No … 34*16038816SMartin Matuska. 35*16038816SMartin Matuska.Sh DESCRIPTION 36*16038816SMartin Matuska.Nm 37*16038816SMartin Matuskais a thin shell wrapper that at most checks the status of a dataset's container pool. 38*16038816SMartin MatuskaIt is installed by OpenZFS because some Linux 39*16038816SMartin Matuskadistributions expect a fsck helper for all filesystems. 40*16038816SMartin Matuska.Pp 41*16038816SMartin MatuskaIf more than one 42*16038816SMartin Matuska.Ar dataset 43*16038816SMartin Matuskais specified, each is checked in turn and the results binary-ored. 44*16038816SMartin Matuska. 45*16038816SMartin Matuska.Sh OPTIONS 46*16038816SMartin MatuskaIgnored. 47*16038816SMartin Matuska. 48*16038816SMartin Matuska.Sh NOTES 49*16038816SMartin MatuskaZFS datasets are checked by running 50*16038816SMartin Matuska.Nm zpool Cm scrub 51*16038816SMartin Matuskaon the containing pool. 52*16038816SMartin MatuskaAn individual ZFS dataset is never checked independently of its pool, 53*16038816SMartin Matuskawhich is unlike a regular filesystem. 54*16038816SMartin Matuska.Pp 55*16038816SMartin MatuskaHowever, the 56*16038816SMartin Matuska.Xr fsck 8 57*16038816SMartin Matuskainterface still allows it to communicate some errors: if the 58*16038816SMartin Matuska.Ar dataset 59*16038816SMartin Matuskais in a degraded pool, then 60*16038816SMartin Matuska.Nm 61*16038816SMartin Matuskawill return exit code 4 to indicate an uncorrected filesystem error. 62*16038816SMartin Matuska.Pp 63*16038816SMartin MatuskaSimilarly, if the 64*16038816SMartin Matuska.Ar dataset 65*16038816SMartin Matuskais in a faulted pool and has a legacy 66*16038816SMartin Matuska.Pa /etc/fstab 67*16038816SMartin Matuskarecord, then 68*16038816SMartin Matuska.Nm 69*16038816SMartin Matuskawill return exit code 8 to indicate a fatal operational error. 70*16038816SMartin Matuska.Sh SEE ALSO 71*16038816SMartin Matuska.Xr fstab 5 , 72*16038816SMartin Matuska.Xr fsck 8 , 73*16038816SMartin Matuska.Xr zpool-scrub 8 74