I created the snapshot of my old version 7.x elk stack , and I now I am trying to restore the old snapshot on the new eck-elasticsearch version 8.14.3.
Context:
- Upgraded from Elasticsearch v7.17.22 to v8.14.3 using ECK (Elastic Cloud on Kubernetes)
- Configured S3 for storing snapshots
- Initiated restore process from a v7.17.22 snapshot to the v8.14.3 ECK-Elasticsearch cluster
Steps Taken:
- Successfully restored data indices
- All data indices are visible and accessible in the v8.14.3 ECK-Elasticsearch cluster
- Attempted to restore system indices:
.ds-.slm-history-*.ds-ilm-history-*
Current Situation:
- The system indices (
.ds-.slm-history-*and.ds-ilm-history-*) were successfully restored - However, the associated data streams (
.slm-history-5andilm-history-5) are not present in the v8.14.3 cluster
Expected Behavior:
After restoring the .ds-.slm-history-* and .ds-ilm-history-* indices, we expected to see the corresponding data streams (.slm-history-5 and ilm-history-5) automatically recreated in the v8.14.3 cluster.
Question:
Is this behavior expected when restoring from a 7.x snapshot to an 8.x cluster? If so, what are the recommended steps to properly recreate these system data streams while maintaining the historical data contained in the restored indices?