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    Command:

    quotaon

    
    
    

    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
           -F, --format=format-name
                  Report  quota  for  specified  format  (ie. don't perform format
                  autodetection).  Possible  format  names  are:  vfsold  Original
                  quota  format  with  16-bit UIDs / GIDs, vfsv0 Quota format with
                  32-bit UIDs / GIDs, 64-bit space usage, 32-bit inode  usage  and
                  limits,  vfsv1  Quota format with 64-bit quota limits and usage,
                  xfs (quota on XFS filesystem)
    
           -a, --all
                  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, --verbose
                  Display a message for each filesystem where  quotas  are  turned
                  on.
    
           -u, --user
                  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, --all
                  Force all filesystems in /etc/fstab to have  their  quotas  dis-
                  abled.
    
           -v, --verbose
                  Display a message for each filesystem affected.
    
           -u, --user
                  Manipulate user quotas. This is the default.
    
           -g, --group
                  Manipulate group quotas.
    
           -p, --print-state
                  Instead  of  turning  quotas off just print state of quotas (ie.
                  whether. quota is on or off)
    
           -x, --xfs-command 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, --xfs-command enforce
                  Switch  on/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  -v  filesystem.   Then, use quotaoff -v filesystem 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 filesystem.  This may be done while the filesystem is
           mounted.
    
    
    

    FILES

           aquota.user or aquota.group
    
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