You can suspend write activity to a file system by using the
gfs2_tool command. Suspending write activity allows hardware-based device snapshots to be used to capture the file system in a consistent state. The
gfs2_tool command ends the suspension.
Specifies the file system.
This example suspends writes to file system
gfs2_tool freeze /mygfs2
This example ends suspension of writes to file system
gfs2_tool unfreeze /mygfs2