Protecting the NetBackup catalog from the deduplication shell
By default, WORM storage servers store a copy of the NetBackup catalog in the directory /mnt/msdp/vol0 in addition to the original copy that is available under the dedicated catalog volume (/mnt/msdpcat).
If MSDP is initially configured on the single volume (Flex Media, BYO, and Cloud Scale) and the first volume is lost, MSDP catalog copies are also lost and cannot be recovered. Now, when a new data volume is added, a catalog copy is added to the new data volume automatically if there is no dedicated catalog volume. Shadow copy of the catalog is available on the new data volume, and it can be recovered when the first volume is lost.
If you want extra protection for the catalog, you can configure additional copies. Use the following procedures to manage the NetBackup catalog copies from the deduplication shell.
To view the catalog copies
- Open an SSH session to the server.
- Run the following command:
cacontrol --catalog listshadowcopies
To configure an additional copy
- Open an SSH session to the server.
- Run the following command to determine which volumes exist in the
/mnt/msdpdirectory:df -h
Select one of the volumes other than vol0.
Note:
To configure an additional catalog copy, at least one volume other than vol0 must exist in the
/mnt/msdpdirectory. - Run the following command:
cacontrol --catalog addshadowcopy /mnt/msdp/<volume name>Where <volume name> is the volume that you chose in the previous step.
For example:
cacontrol --catalog addshadowcopy /mnt/msdp/vol1