4.7.2. GFS File Attribute
The gfs_tool command can be used to assign (set) a direct I/O attribute flag, directio, to a GFS file. The directio flag can also be cleared.
Setting the directio Flag
gfs_tool setflag directio File
Clearing the directio Flag
gfs_tool clearflag directio File
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File
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Specifies the file where the directio flag is assigned.
In this example, the command sets the directio flag on the file named datafile in directory /gfs1.
gfs_tool setflag directio /gfs1/datafile
