USB disk rotation

Last published : Apr 02, 2026
The USB disk rotation feature lets you create a backup destination on multiple USB drives. To use this feature, each USB disk must use the same drive letter assigned to the original USB disk defined in the backup destination. Select the USB disk to enable the Enable USB Disk Rotation. Backup files to any USB disk inserted at this location check box. When you select the check box, USB disk rotation is enabled.
As a part of this feature, a warning is displayed when you define a backup and not enough is available to complete the backup. The warning is displayed immediately after the backup job starts. To continue the backup, you can either insert a new USB disk (at the same mount point) or continue to use the existing USB disk, in which case the backup job fails.
See How USB disk rotation works.