Red Hat GFS 5.2.1 -, Руководство администратора

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Chapter 9. Managing GFS 95
9.6.1. Usage
gfs_jadd -j Number MountPoint
Number
Specifies the number of new journals to be added.
MountPoint
Specifies the directory where the GFS file system is mounted.
9.6.2. Comments
Before running the
gfs_jadd
command:
•
Back up important data on the file system.
•
Run a
gfs_tool df MountPoint
command to display the pool volume used by the file system
where journals will be added.
•
Expand the underlying pool volume with a
pool_tool -g
command. Refer to Section 5.8 Grow-
ing a Pool Volume for additional information.
After running the
gfs_jadd
command, run a
gfs_jadd
command with the
-T
and
-v
flags enabled
to check that the new journals have been added to the file system.
9.6.3. Examples
In this example, one journal is added to the file system on the
/gfs1/
directory.
gfs_jadd -j1 /gfs1
In this example, two journals are added to the file system on the
/gfs1/
directory.
gfs_jadd -j2 /gfs1
In this example, the current state of the file system on the
/gfs1/
directory can be checked for the
new journals.
gfs_jadd -Tv /gfs1
9.6.4. Complete Usage
gfs_jadd [ Options ] { MountPoint | Device } [ MountPoint | Device ]
MountPoint
Specifies the directory where the GFS file system is mounted.