You can use the Commvault software to back up and restore GlusterFS data.
Backups
Data You Can Back Up
Files
Folders
Backups You Can Perform
Full backups
Incremental backups
When You Can Perform Backups
On a schedule: The server backup plan that you assign manages scheduled backups
Unscheduled : You can perform backups at any time
Restores
Data You Can Restore
Files and folders
Backups You Can Use for Restores
Backups from any date/time, including the most recent backup
Destinations You Can Restore To
The current location (in place)
A different location on the same server, or a different server (out of place)