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Under GNU General Public License
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QUOTAON(8) QUOTAON(8)
NAME
quotaon, quotaoff - turn filesystem quotas on and off
SYNOPSIS
/sbin/quotaon [ -vugfp ] [ -F format-name ] filesystem...
/sbin/quotaon [ -avugfp ] [ -F format-name ]
/sbin/quotaoff [ -vugp ] [ -x state ] filesystem...
/sbin/quotaoff [ -avugp ]
DESCRIPTION
quotaon
quotaon announces to the system that disk quotas should be enabled on one or more
filesystems. The filesystem quota files must be present in the root directory of
the specified filesystem and be named either aquota.user (for version 2 user
quota), quota.user (for version 1 user quota), aquota.group (for version 2 group
quota), or quota.group (for version 1 group quota).
XFS filesystems are a special case - XFS considers quota information as filesystem
metadata and uses journaling to provide a higher level guarantee of consistency.
There are two components to the XFS disk quota system: accounting and limit
enforcement. XFS filesystems require that quota accounting be turned on at mount
time. It is possible to enable and disable limit enforcement on an XFS filesystem
after quota accounting is already turned on. The default is to turn on both
accounting and enforcement.
The XFS quota implementation does not maintain quota information in user-visible
files, but rather stores this information internally.
quotaoff
quotaoff announces to the system that the specified filesystems should have any
disk quotas turned off.
OPTIONS
quotaon
-a All automatically mounted (no noauto option) non-NFS filesystems in
/etc/fstab with quotas will have their quotas turned on. This is normally
used at boot time to enable quotas.
-v Display a message for each filesystem where quotas are turned on.
-u Manipulate user quotas. This is the default.
-g Manipulate group quotas.
-p Instead of turning quotas on just print state of quotas (ie. whether. quota
is on or off)
-f Make quotaon behave like being called as quotaoff.
quotaoff
-F format-name
Report quota for specified format (ie. don't perform format autodetection).
Possible format names are: vfsold (version 1 quota), vfsv0 (version 2
quota), xfs (quota on XFS filesystem)
-a Force all filesystems in /etc/fstab to have their quotas disabled.
-v Display a message for each filesystem affected.
-u Manipulate user quotas. This is the default.
-g Manipulate group quotas.
-p Instead of turning quotas off just print state of quotas (ie. whether. quota
is on or off)
-x delete
Free up the space used to hold quota information (maintained internally)
within XFS. This option is only applicable to XFS, and is silently ignored
for other filesystem types. It can only be used on a filesystem with quota
previously turned off.
-x enforce
Switch off limit enforcement for XFS filesystems (perform quota accounting
only). This option is only applicable to XFS, and is silently ignored for
other filesystem types.
NOTES ON XFS FILESYSTEMS
To enable quotas on an XFS filesystem, use mount(8) or /etc/fstab quota option to
enable both accounting and limit enforcement. quotaon utility cannot be used for
this purpose.
Turning on quotas on an XFS root filesystem requires the quota mount options be
passed into the kernel at boot time through the Linux rootflags boot option.
To turn off quota limit enforcement on any XFS filesystem, first make sure that
quota accounting and enforcement are both turned on using repquota -s. Then, use
quotaoff -vo to disable limit enforcement. This may be done while the filesystem
is mounted.
Turning on quota limit enforcement on an XFS filesystem is achieved using quotaon
-v. This may be done while the filesystem is mounted.
FILES
aquota.user or aquota.group
quota file at the filesystem root (version 2 quota, non-XFS
filesystems)
quota.user or quota.group
quota file at the filesystem root (version 1 quota, non-XFS
filesystems)
/etc/fstab default filesystems
SEE ALSO
quotactl(2), fstab(5), repquota(8).
4th Berkeley Distribution QUOTAON(8)
Generated by $Id: phpMan.php,v 4.49 2006/02/26 13:18:18 chedong Exp $ Author: Che Dong
On Apache/1.3.37 (Unix) mod_throttle/3.1.2 FrontPage/5.0.2.2635 mod_psoft_traffic/0.2 mod_ssl/2.8.28 OpenSSL/0.9.8b
Under GNU General Public License
2009-01-07 21:08 @38.103.63.55 Crawled by CCBot/1.0 (+http://www.commoncrawl.org/bot.html)