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gfs_grow(8)							   gfs_grow(8)

NAME
       gfs_grow - Expand a GFS filesystem

SYNOPSIS
       gfs_grow [OPTION]... <DEVICE|MOINTPOINT>...

DESCRIPTION
       gfs_grow is used to expand a GFS filesystem after the device upon which
       the filesystem resides has also been expanded.  By running gfs_grow  on
       a  GFS  filesystem, you are requesting that any spare space between the
       current end of the filesystem and the end of the device is filled  with
       a  newly	 initialized GFS filesystem extension.	When this operation is
       complete, the resource index for the filesystem is updated so that  all
       nodes  in  the  cluster	can use the extra storage space which has been
       added.

       You may only  run  gfs_grow  on	a  mounted  filesystem;	 expansion  of
       unmounted  filesystems is not supported.	 You only need to run gfs_grow
       on one node in the cluster.  All the other nodes will see the expansion
       has occurred and automatically start to use the newly available space.

       You  must be superuser to execute gfs_grow.  The gfs_grow tool tries to
       prevent you from corrupting your filesystem by checking as many of  the
       likely  problems as it can.  When expanding a filesystem, only the last
       step of updating the  resource  index  affects  the  currently  mounted
       filesystem and so failure part way through the expansion process should
       leave your filesystem in its original unexpanded state.

       You can run gfs_grow with the -Tv flags to get a display of the current
       state  of a mounted GFS filesystem.  This can be useful to do after the
       expansion process to see if the changes have been successful.

       gfs_grow will consume all the remaining space in a device and add it to
       the  filesystem.	  If you want to add journals too, you need to add the
       journals first using gfs_jadd.

OPTIONS
       -h     Prints out a short usage message and exits.

       -q     Quiet. Turns down the verbosity level.

       -T     Test. Do all calculations, but do not write any data to the disk
	      and  do not expand the filesystem. This is used to discover what
	      the tool would have done were it	run  without  this  flag.  You
	      probably	want  to  turn the verbosity level up in order to gain
	      most information from this option.

       -V     Version. Print out version information, then exit.

       -v     Verbose. Turn up verbosity of messages.

SEE ALSO
       gfs_mkfs(8) gfs_jadd(8)

								   gfs_grow(8)

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