\"      $NetBSD: quotacheck.8,v 1.18 2012/02/13 19:53:25 dholland Exp $
\"
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\" Robert Elz at The University of Melbourne.
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\"     @(#)quotacheck.8 8.1 (Berkeley) 6/5/93
\"
Dd January 5, 2004
Dt QUOTACHECK 8
Os
Sh NAME
Nm quotacheck
Nd filesystem quota consistency checker
Sh SYNOPSIS
Nm
Op Fl gquv
Ar filesystem Ar ...
Nm
Op Fl gquv
Op Fl l Ar maxparallel
Fl a
Sh DESCRIPTION
Nm
examines each filesystem,
builds a table of current disk usage,
and compares this table against that recorded
in the disk quota file for the filesystem.
If any inconsistencies are detected, both the
quota file and the current system copy of the
incorrect quotas are updated (the latter only
occurs if an active filesystem is checked).
By default both user and group quotas are checked.
Pp
Available options:
Bl -tag -width Ds
It Fl a
If the
Fl a
flag is supplied in place of any filesystem names,
Nm
will check all the filesystems indicated in
Pa /etc/fstab
to be read-write with disk quotas.
By default only the types of quotas listed in
Pa /etc/fstab
are checked.
See also
Fl l .
It Fl g
Only group quotas listed in
Pa /etc/fstab
are to be checked.
See also
Fl u .
It Fl l Ar maxparallel
Limit the number of parallel checks to the number specified in
the following argument.
By default, the limit is the number of disks, running one process
per disk.
If a smaller limit is given, the disks are checked round-robin,
one file system at a time.
This option is only valid with
Fl a .
It Fl q
Nm
runs more quickly,
particularly on systems with sparse user id usage,
but fails to correct quotas for users [groups]
not in the system user [group] database,
and owning no files on the filesystem,
if the quota file incorrectly believes that they do.
It Fl u
Only user quotas listed in
Pa /etc/fstab
are to be checked.
See also
Fl g .
It Fl v
Nm
is more verbose,
and reports corrected discrepancies between the
calculated and recorded disk quotas.
El
Pp
Specifying both
Fl g
and
Fl u
is equivalent to the default.
Parallel passes are run on the filesystems required,
using the pass numbers in
Pa /etc/fstab
in an identical fashion to
Xr fsck 8 .
Pp
Normally
Nm
operates silently.
Pp
Nm
expects each filesystem to be checked to have a
quota files named
Pa quota.user
and
Pa quota.group
which are located at the root of the associated file system.
These defaults may be overridden in
Pa /etc/fstab .
If a file is not present,
Nm
will create it.
Pp
Nm
is normally run at boot time from the
Pa /etc/rc
file, see
Xr rc 8 ,
before enabling disk quotas with
Xr quotaon 8 .
Pp
Nm
accesses the raw device in calculating the actual
disk usage for each user.
Thus, the filesystems
checked should be quiescent while
Nm
is running.
Pp
If
Nm
receives a
Dv SIGINFO
signal
(see the
Sy status
argument for
Xr stty 1 ) ,
a line will be written to the standard error output indicating
the name of the device currently being checked and progress information.
Sh FILES
Bl -tag -width quota.group -compact
It Pa quota.user
at the filesystem root with user quotas
It Pa quota.group
at the filesystem root with group quotas
It Pa /etc/fstab
default filesystems
El
Sh SEE ALSO
Xr quota 1 ,
Xr libquota 3 ,
Xr fstab 5 ,
Xr edquota 8 ,
Xr fsck 8 ,
Xr quotaon 8 ,
Xr repquota 8
Sh HISTORY
The
Nm
command appeared in
Bx 4.2 .

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