HP StoreOnce D2D4324 HP D2D25xx, 41xx and 43xx Backup System user guide (EH985 - Page 96

Restore processes with replication, Recovering a Source Appliance (Virtual Tape devices)

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9 Restore processes with replication In this chapter: • Recovering a source appliance, VTL devices • Recovering a source appliance, NAS shares Recovering a Source Appliance (Virtual Tape devices) : If you replace the disks in the source StoreOnce Backup System and keep the original appliance, the source to target mapping will still exist on the repaired StoreOnce Backup System. You MUST break this mapping BEFORE carrying out recovery. If you do not, the now blank Source Library (on the replacement disks) will overwrite the data on the Target Library. You will effectively lose backup data on both Source and Target Libraries. Reverse replication using the wizard The remote site has lost both the host servers and the StoreOnce system. New hardware has been purchased and installed and the administrator now wants to recover data to the StoreOnce Backup System and then restore to the host server. Before the failure a mapping existed between a Source Library on the remote site StoreOnce Backup System and a Target Library on the Data Center StoreOnce Backup System. After the failure the Source Library is missing; the mapping may or may not still exist. Figure 7 Recovery using reverse replication 1. Create a new Non-Replicating Library on the Source Appliance (either by running the Installation wizard or by using the Devices page). 2. Go to the Replication - Virtual Tape Mappings page and select the new non-replicating library. 3. Click Start Recovery Wizard. 96 Restore processes with replication

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9 Restore processes with replication
In this chapter:
•
Recovering a source appliance, VTL devices
•
Recovering a source appliance, NAS shares
Recovering a Source Appliance (Virtual Tape devices)
:
If you replace the disks in the source StoreOnce Backup System and keep the original appliance,
the source to target mapping will still exist on the repaired StoreOnce Backup System. You MUST
break this mapping BEFORE carrying out recovery. If you do not, the now blank Source Library
(on the replacement disks) will overwrite the data on the Target Library. You will effectively lose
backup data on both Source and Target Libraries.
Reverse replication using the wizard
The remote site has lost both the host servers and the StoreOnce system. New hardware has been
purchased and installed and the administrator now wants to recover data to the StoreOnce Backup
System and then restore to the host server. Before the failure a mapping existed between a Source
Library on the remote site StoreOnce Backup System and a Target Library on the Data Center
StoreOnce Backup System. After the failure the Source Library is missing; the mapping may or
may not still exist.
Figure 7 Recovery using reverse replication
1.
Create a new Non-Replicating Library on the Source Appliance (either by running the Installation
wizard or by using the Devices page).
2.
Go to the
Replication - Virtual Tape Mappings
page and select the new non-replicating library.
3.
Click
Start Recovery Wizard
.
96
Restore processes with replication