A restore from backup is performed using Onbar and an Informix Storage Manager (ISM) Backup. The restore fails with Return Code 147. This return code indicates 'No backup list'.
A simplified example illustrates the origin of the problem. Given a sequence of savesets in a period from A to B, which we will display as 'A:1,2,3,4:B', and reference as 'Volume AB'. The retention period is set to this most recent volume. For some reason, saveset 4 is not available and the desired task is to restore to saveset 3. When the restore is attempted, the restore fails and the 147 return code is present.
ISM uses a media catalog that maps out the sequence of how a restore can proceed. A missing saveset in the volume makes the catalog inconsistent. The catalog needs to be repaired in order to restore any saveset from the volume.
Resolving the problem
- Recreate the catalog by piecing it back together from the existing backup saveset, using the command: ' ism_catalog -recreate from device'
- At this point you could restore from the recreated saveset, or select a Point In Time (PIT) and restore to a previous saveset in the volume, using a PIT restore.
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