1tunegfs2(8)                 System Manager's Manual                tunegfs2(8)
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NAME

6       tunegfs2 - View and manipulate gfs2 superblocks
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SYNOPSIS

10       tunegfs2 [OPTIONS] /dev/blockdevice
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DESCRIPTION

14       tunegfs2  allows viewing and manipulating the values contained in a GFS
15       or GFS2 superblock. It is able to modify the UUID (on GFS2  only),  la‐
16       bel, lockproto and locktable.
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18       The  values  in the GFS2 superblock are read only on mount. Any changes
19       on a live filesystem will not take effect until the  next  time  it  is
20       mounted.  Making  changes  on  a live filesystem is not recommended for
21       this reason.
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OPTIONS

25       -h
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27              Prints out usage information for this command.
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30       -l
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32              List contents of the filesystem superblock. Includes the current
33              values of the parameters that can be set by this program.
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36       -L <label>
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38              Change the filesystem label. Note that the GFS2 filesystem label
39              is also the locktable name.
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42       -o [lockproto=<proto>] [locktable=<table>]
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44              Set mount options. Currently supported options include lockproto
45              and locktable
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48       -U <uuid>
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50              Set the filesystem UUID
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53       -V
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55              Print out the information on the version of the tool.
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58       -r <version>
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60              Set the filesystem format version.
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SEE ALSO

64       gfs2(5)
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69                                                                   tunegfs2(8)
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