Introducing Arcserve Backup Agents and Options › Using Options › Disaster Recovery Option › Recovering NEC Clusters › Arcserve backup fails to start after recovery using the Disaster Recovery Option on CLUSTERPRO X2.0 in mirrored disk environment

Arcserve backup fails to start after recovery using the Disaster Recovery Option on CLUSTERPRO X2.0 in mirrored disk environment

After performing a cluster active node disaster recovery, when you restart your computer, if the NEC cluster shows abnormal status for Windows and do not start some of its resources then the mirror disk cannot be accessed. As a result most of the Arcserve services and programs fail to run, including the AsRecoverDB.exe.

To access the mirror disk on CLUSTERPRO X2.0

1. Close the NEC Cluster group. On the NEC Cluster Manager, right-click Cluster group, select Stop to stop the cluster group resources.
2. Transform mirror disk status to normal. On the Cluster Manager, right-click mirror disk resource, and select Details.
3. On the Mirror Disk Helper dialog that appears, click the computer icon in red.
4. You can see the mirror disk showing inactive status.
5. Click on the red computer icon.

   The comments show “Data for XXX is the latest”.

6. Click Execute. After finishing successfully, the computer icon changes to green closing the dialog.

   The mirror disk status shows normal.

7. Close the Mirror Disk Helper dialog.
8. Start NEC cluster group. On NEC Cluster manager, right click Cluster group, select Start, then select correct cluster server, click OK.
9. Wait for the NEC cluster group resources to start, and access the mirror disk. You can now simultaneously start the Arcserve services.
10. Restart the Arcserve Universal Agent Services to recover disk partition information.
    1. From the Start menu, select Programs, Arcserve Backup, and Backup Agent Admin.
    2. In the Arcserve Backup Agent Admin tool, select Options, Services, stop service and start service.

       The Arcserve services start.

11. Run AsRecoverDB.exe in Arcserve home directory to recover the database.