HP StoreOnce Backup System Concepts and Configuration Guidelines (BB877-90913, November 2013)

Figure 61 StoreOnce Catalyst Copy offload to tape drive
2. Low bandwidth Catalyst Copy1. Catalyst Copy command
3. Rehydration and full bandwidth copy to tape
VTL and NAS device types
Figure 62 Backup application tape offload at StoreOnce target site for VTL and NAS device types
2. StoreOnce low bandwidth replication1. Backup data written to StoreOnce Source
3. All data stored safely at DR site. Data at StoreOnce target (written by StoreOnce source via replication) must be
imported to Backup Server B before it can be copied to tape.
NOTE: Target Offload can vary from one backup application to another in terms of import
functionality. Please check with your vendor.
When is Tape Offload required? 111