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b46be903fb
Correct new mandoc errors. ``` STYLE: input text line longer than 80 bytes STYLE: no blank before trailing delimiter ``` Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Richard Yao <richard.yao@alumni.stonybrook.edu> Reviewed-by: George Melikov <mail@gmelikov.ru> Signed-off-by: szubersk <szuberskidamian@gmail.com> Closes #14148
79 lines
2.0 KiB
Groff
79 lines
2.0 KiB
Groff
.\"
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.\" CDDL HEADER START
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.\"
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.\" The contents of this file are subject to the terms of the
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.\" Common Development and Distribution License (the "License").
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.\" You may not use this file except in compliance with the License.
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.\"
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.\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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.\" or https://opensource.org/licenses/CDDL-1.0.
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.\" See the License for the specific language governing permissions
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.\" and limitations under the License.
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.\"
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.\" When distributing Covered Code, include this CDDL HEADER in each
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.\" file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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.\" If applicable, add the following below this CDDL HEADER, with the
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.\" fields enclosed by brackets "[]" replaced with your own identifying
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.\" information: Portions Copyright [yyyy] [name of copyright owner]
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.\"
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.\" CDDL HEADER END
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.\"
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.\" Copyright 2013 Darik Horn <dajhorn@vanadac.com>. All rights reserved.
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.\"
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.Dd May 26, 2021
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.Dt FSCK.ZFS 8
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.Os
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.
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.Sh NAME
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.Nm fsck.zfs
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.Nd dummy ZFS filesystem checker
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.Sh SYNOPSIS
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.Nm
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.Op Ar options
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.Ar dataset Ns No …
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.
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.Sh DESCRIPTION
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.Nm
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is a thin shell wrapper that at most checks the status of a dataset's container
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pool.
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It is installed by OpenZFS because some Linux
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distributions expect a fsck helper for all filesystems.
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.Pp
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If more than one
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.Ar dataset
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is specified, each is checked in turn and the results binary-ored.
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.
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.Sh OPTIONS
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Ignored.
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.
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.Sh NOTES
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ZFS datasets are checked by running
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.Nm zpool Cm scrub
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on the containing pool.
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An individual ZFS dataset is never checked independently of its pool,
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which is unlike a regular filesystem.
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.Pp
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However, the
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.Xr fsck 8
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interface still allows it to communicate some errors: if the
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.Ar dataset
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is in a degraded pool, then
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.Nm
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will return exit code
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.Sy 4
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to indicate an uncorrected filesystem error.
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.Pp
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Similarly, if the
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.Ar dataset
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is in a faulted pool and has a legacy
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.Pa /etc/fstab
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record, then
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.Nm
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will return exit code
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.Sy 8
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to indicate a fatal operational error.
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.Sh SEE ALSO
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.Xr fstab 5 ,
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.Xr fsck 8 ,
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.Xr zpool-scrub 8
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