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tunegfs2(8)							   tunegfs2(8)

NAME
       tunegfs2 - View and manipulate gfs2 superblocks

SYNOPSIS
       tunegfs2 [OPTIONS] /dev/blockdevice

DESCRIPTION
       tunegfs2	 allows viewing and manipulating the values contained in a GFS
       or GFS2 superblock. It is able to  modify  the  UUID  (on  GFS2	only),
       label, lockproto and locktable.

       The  values  in the GFS2 superblock are read only on mount. Any changes
       on a live filesystem will not take effect until the  next  time	it  is
       mounted.	 Making	 changes  on  a live filesystem is not recommended for
       this reason.

OPTIONS
       -h

	      Prints out usage information for this command.

       -l

	      List contents of the filesystem superblock. Includes the current
	      values of the parameters that can be set by this program.

       -L <label>

	      Change the filesystem label. Note that the GFS2 filesystem label
	      is also the locktable name.

       -o [lockproto=<proto>] [locktable=<table>]

	      Set mount options. Currently supported options include lockproto
	      and locktable

       -U <uuid>

	      Set the filesystem UUID

       -V

	      Print out the information on the version of the tool.

SEE ALSO
       gfs2(5)

								   tunegfs2(8)

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