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.\" 2316038816SMartin Matuska.Dd May 26, 2021 2416038816SMartin Matuska.Dt FSCK.ZFS 8 2516038816SMartin Matuska.Os 2616038816SMartin Matuska. 2716038816SMartin Matuska.Sh NAME 2816038816SMartin Matuska.Nm fsck.zfs 2916038816SMartin Matuska.Nd dummy ZFS filesystem checker 3016038816SMartin Matuska.Sh SYNOPSIS 3116038816SMartin Matuska.Nm 3216038816SMartin Matuska.Op Ar options 3316038816SMartin Matuska.Ar dataset Ns No … 3416038816SMartin Matuska. 3516038816SMartin Matuska.Sh DESCRIPTION 3616038816SMartin Matuska.Nm 3716038816SMartin Matuskais a thin shell wrapper that at most checks the status of a dataset's container pool. 3816038816SMartin MatuskaIt is installed by OpenZFS because some Linux 3916038816SMartin Matuskadistributions expect a fsck helper for all filesystems. 4016038816SMartin Matuska.Pp 4116038816SMartin MatuskaIf more than one 4216038816SMartin Matuska.Ar dataset 4316038816SMartin Matuskais specified, each is checked in turn and the results binary-ored. 4416038816SMartin Matuska. 4516038816SMartin Matuska.Sh OPTIONS 4616038816SMartin MatuskaIgnored. 4716038816SMartin Matuska. 4816038816SMartin Matuska.Sh NOTES 4916038816SMartin MatuskaZFS datasets are checked by running 5016038816SMartin Matuska.Nm zpool Cm scrub 5116038816SMartin Matuskaon the containing pool. 5216038816SMartin MatuskaAn individual ZFS dataset is never checked independently of its pool, 5316038816SMartin Matuskawhich is unlike a regular filesystem. 5416038816SMartin Matuska.Pp 5516038816SMartin MatuskaHowever, the 5616038816SMartin Matuska.Xr fsck 8 5716038816SMartin Matuskainterface still allows it to communicate some errors: if the 5816038816SMartin Matuska.Ar dataset 5916038816SMartin Matuskais in a degraded pool, then 6016038816SMartin Matuska.Nm 61*3ff01b23SMartin Matuskawill return exit code 62*3ff01b23SMartin Matuska.Sy 4 63*3ff01b23SMartin Matuskato indicate an uncorrected filesystem error. 6416038816SMartin Matuska.Pp 6516038816SMartin MatuskaSimilarly, if the 6616038816SMartin Matuska.Ar dataset 6716038816SMartin Matuskais in a faulted pool and has a legacy 6816038816SMartin Matuska.Pa /etc/fstab 6916038816SMartin Matuskarecord, then 7016038816SMartin Matuska.Nm 71*3ff01b23SMartin Matuskawill return exit code 72*3ff01b23SMartin Matuska.Sy 8 73*3ff01b23SMartin Matuskato indicate a fatal operational error. 7416038816SMartin Matuska.Sh SEE ALSO 7516038816SMartin Matuska.Xr fstab 5 , 7616038816SMartin Matuska.Xr fsck 8 , 7716038816SMartin Matuska.Xr zpool-scrub 8 78