tunegfs2 - View and manipulate gfs2 superblocks
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
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.
Prints out usage information for this command.
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
- -o [lockproto=<proto>]
Set mount options. Currently supported options include lockproto and
- -U <uuid>
Set the filesystem UUID
Print out the information on the version of the tool.