Restoring and recovering SAP HANA databases
You use SAP HANA Studio and Snap Creator to restore and recover SAP HANA databases.
-
Within SAP HANA Studio:
-
Select Recover for the SAP HANA system.
-
SAP HANA system is shut down.
-
Select the recovery type.
-
Provide log backup locations.
-
List of data backups is shown
-
Select backup to see the external backup ID.
-
-
For a storage system running clustered Data ONTAP only:
-
Only required if any other backup than the latest has been used for the restore.
-
Only required for “Volume SnapRestore” from primary storage.
-
Deactivate SnapVault relationships
-
-
Within Snap Creator:
-
Select “Restore” for the SAP HANA system.
-
Select restore from primary or secondary storage, depending on the availability of the backup at the primary storage.
-
Select storage controller, volume name, and Snapshot copy name. Snapshot copy name correlates with the backup ID earlier.
-
For multinode SAP HANA systems, multiple volumes need to be restored:
-
Choose Add more restore items.
-
Select storage controller, volume name, and Snapshot copy name.
-
Repeat this process for all required volumes.
-
-
For multitenant database containers (MDC) single tenant database systems, both the SYSTEM and TENANT databases are restored.
-
Restore process is started
-
Restore finished for all volumes.
-
-
At the database nodes, unmount and mount all data volumes to clean "Stale NFS Handles."
-
Within SAP HANA Studio:
-
Select Refresh on backup list.
-
Select available backup for recovery (green item).
-
Start recovery process.
-
For multitenant database containers (MDC) single tenant database systems, start the recovery process first for the SYSTEM database, and then for the TENANT database.
-
The SAP HANA system is started.
-
-
(Optional) Resume SnapVault relationships for all restored volumes.
At the storage systems, this step is only required if a backup other than the latest one has been used for the restore.