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FSCK.MINIX(8) System Administration FSCK.MINIX(8)
NAME
fsck.minix - check consistency of Minix filesystem
SYNOPSIS
fsck.minix [options] device
DESCRIPTION
fsck.minix performs a consistency check for the Linux MINIX filesystem.
The program assumes the filesystem is quiescent. fsck.minix should not be used on a
mounted device unless you can be sure nobody is writing to it. Remember that the kernel
can write to device when it searches for files.
The device name will usually have the following form:
+---------------+-------------+
| | |
|/dev/hda[1-63] | IDE disk 1 |
+---------------+-------------+
| | |
|/dev/hdb[1-63] | IDE disk 2 |
+---------------+-------------+
| | |
|/dev/sda[1-15] | SCSI disk 1 |
+---------------+-------------+
| | |
|/dev/sdb[1-15] | SCSI disk 2 |
+---------------+-------------+
If the filesystem was changed, i.e., repaired, then fsck.minix will print "FILE
SYSTEM HAS CHANGED" and will sync(2) three times before exiting. There is no need to
reboot after check.
WARNING
fsck.minix should not be used on a mounted filesystem. Using fsck.minix on a mounted
filesystem is very dangerous, due to the possibility that deleted files are still in
use, and can seriously damage a perfectly good filesystem! If you absolutely have to
run fsck.minix on a mounted filesystem, such as the root filesystem, make sure
nothing is writing to the disk, and that no files are "zombies" waiting for
deletion.
OPTIONS
-l, --list
List all filenames.
-r, --repair
Perform interactive repairs.
-a, --auto
Perform automatic repairs. This option implies --repair and serves to answer all
of the questions asked with the default. Note that this can be extremely
dangerous in the case of extensive filesystem damage.
-v, --verbose
Be verbose.
-s, --super
Output super-block information.
-m, --uncleared
Activate MINIX-like "mode not cleared" warnings.
-f, --force
Force a filesystem check even if the filesystem was marked as valid. Marking is
done by the kernel when the filesystem is unmounted.
-V, --version
Display version information and exit.
-h, --help
Display help text and exit.
DIAGNOSTICS
There are numerous diagnostic messages. The ones mentioned here are the most
commonly seen in normal usage.
If the device does not exist, fsck.minix will print "unable to read super block". If
the device exists, but is not a MINIX filesystem, fsck.minix will print "bad magic
number in super-block".
EXIT STATUS
The exit status returned by fsck.minix is the sum of the following:
0
No errors
3
Filesystem errors corrected, system should be rebooted if filesystem was mounted
4
Filesystem errors left uncorrected
7
Combination of exit statuses 3 and 4
8
Operational error
16
Usage or syntax error
AUTHORS
Linus Torvalds <torvalds AT cs.fi>. Exit status values by Rik Faith
<faith AT cs.edu> Added support for filesystem valid flag: Dr. Wettstein
<greg%wind.uucp AT plains.edu>. Check to prevent fsck of mounted filesystem added
by Daniel Quinlan <quinlan AT yggdrasil.com>. Minix v2 fs support by Andreas Schwab
<schwab AT issan.de>, updated by Nicolai Langfeldt
<janl AT math.no>. Portability patch by Russell King <rmk AT ecs.uk>.
SEE ALSO
fsck(8), fsck.ext2(8), mkfs(8), mkfs.ext2(8), mkfs.minix(8), reboot(8)
REPORTING BUGS
For bug reports, use the issue tracker at
https://github.com/karelzak/util-linux/issues.
AVAILABILITY
The fsck.minix command is part of the util-linux package which can be downloaded
from Linux Kernel Archive <https://www.kernel.org/pub/linux/utils/util-linux/>.
util-linux 2.37.2 2021-06-02 FSCK.MINIX(8)
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