Elasticsearch Restore

By Opster Team

Updated: Mar 21, 2023

| 1 min read


In Elasticsearch, restore refers to the snapshot restore mechanism, which returns indices or clusters to a previous, saved state. You can restore the entire cluster from the snapshot or restore an individual index or selected indices.


To restore the whole snapshot:

POST /_snapshot/my_backup/snapshot-01-11-2019/_restore

To restore an individual index:

POST /_snapshot/my_backup/snapshot-01-11-2019/_restore
  "indices": "my_index"


  • If you are using a security tool like Searchguard, the snapshot restore capability must be enabled in elasticsearch.yml. Otherwise, it will throw a security exception.

Common issues

  • If an index or indices already exist with the same names as those you are going to restore, they need to either be closed or deleted before you can restore from a snapshot. Otherwise, the restore operation will fail due to an error that the index already exists.

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Related log errors to this ES concept

Failed to restore snapshot
Snapshot failed to restore snapshot
Can t read metadata from store will not reuse local files during restore
Failed to update snapshot status for
Failed to update snapshot status to
Restore is done
Failed to sync restore state after master switch
Cannot restore index
Cannot restore partial index
Cannot modify setting k on restore
Failed to restore snapshot snapshotId
Empty restore source

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