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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 guar-
       antee 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 account-
       ing 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 dis-
	      abled.

       -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 util-
       ity 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 root-
       flags 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)
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