3.11. Suspending Activity on a File System
You can suspend write activity to a file system by using the gfs_tool command. Suspending write activity allows hardware-based device snapshots to be used to capture the file system in a consistent state. The freezegfs_tool command ends the suspension.
unfreeze
Start Suspension
gfs_tool freeze MountPoint
End Suspension
gfs_tool unfreeze MountPoint
MountPoint
Specifies the file system.