4d5209b3fe
parallel fsck's one per drive, use the shortest prefix ending in a digit rather than the longest prefix ending in a digit. This makes "/dev/ad0s1a" and "/dev/ad0s2a" appear to both reside on the disk "/dev/ad0" and consequently they will be fsck'ed sequentially rather than in parallel as now. In general this heuristic is rather soft and errorprone. For instance ccd may often reside on two or more physical disks. A good solution would be to look for passes larger than 1 until no disks are found in a particular pass, that way people could put ccd stripes in pass 3... and have them fsck'ed sequentially. Reviewed by: mjacob
124 lines
4.1 KiB
Groff
124 lines
4.1 KiB
Groff
.\" $NetBSD: fsck.8,v 1.19 1999/03/10 00:08:33 erh Exp $
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.\" $FreeBSD$
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.\"
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.\" Copyright (c) 1996 Christos Zoulas. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by Christos Zoulas.
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.\" 4. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd September 23, 1996
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.Dt FSCK 8
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.Os
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.Sh NAME
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.Nm fsck
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.Nd file system consistency check and interactive repair
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.Sh SYNOPSIS
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.Nm
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.Op Fl dvplfyn
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.Op Fl l Ar maxparallel
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.Op Fl t Ar fstype
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.Op Fl T Ar fstype:fsoptions
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.Op Ar special | node ...
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.Sh DESCRIPTION
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The
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.Nm
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command invokes filesystem-specific programs to check
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the special devices listed in the
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.Xr fstab 5
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file or in the command line for consistency.
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.Pp
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It is normally used in the script
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.Pa /etc/rc
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during automatic reboot.
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If no filesystems are specified, and ``preen'' mode is enabled (
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.Fl p
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option)
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.Nm
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reads the table
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.Pa /etc/fstab
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to determine which filesystems to check.
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Only partitions in fstab that are mounted ``rw,'' ``rq'' or ``ro''
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and that have non-zero pass number are checked.
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Filesystems with pass number 1 (normally just the root filesystem)
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are checked one at a time.
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When pass 1 completes, all remaining filesystems are checked,
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running one process per disk drive.
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The disk drive containing each filesystem is inferred from the shortest prefix
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of the device name that ends in a digit; the remaining characters are assumed
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to be the partition and slice designator.
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.Pp
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The options are as follows:
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.Bl -tag -width indent
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.It Fl d
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Debugging mode. Just print the commands without executing them. Available
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only if
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.Nm
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is compiled to support it.
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.It Fl f
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Force checking of filesystems, even when they are marked clean (for filesystems
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that support this).
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.It Fl l Ar maxparallel
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Limit the number of parallel checks to the number specified in
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the following argument. By default, the limit is the number of
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disks, running one process per disk. If a smaller limit is giv-
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en, the disks are checked round-robin, one filesystem at a time.
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.It Fl n
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Causes
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.Nm
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to assume no as the answer to all operator questions, except "CONTINUE?".
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.It Fl p
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Enter preen mode.
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.It Fl t Ar fstype
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Invoke
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.Nm
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only for the comma separated list of filesystem types. If the
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list starts with
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.Dq no
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then invoke
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.Nm
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for the filesystem types that are not specified in the list.
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.It Fl v
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Print the commands before executing them.
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.It Fl y
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Causes
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.Nm
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to assume yes
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as the answer to all operator questions.
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.It Fl T Ar fstype:fsoptions
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List of comma separated file system specific options for the specified
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file system type, in the same format as
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.Xr mount 8 .
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.El
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.Sh FILES
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.Bl -tag -width /etc/fstab -compact
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.It Pa /etc/fstab
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file system table
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.El
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.Sh SEE ALSO
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.Xr mount 8 ,
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.Xr fstab 5 ,
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.Xr fsck_msdos 8 ,
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.Xr fsck_ffs 8
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