Failed to snapshot – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.4

Briefly, this error occurs when Elasticsearch is unable to create a snapshot due to issues like insufficient permissions, lack of disk space, or network connectivity problems. To resolve this, you can check and adjust the permissions of the directory where snapshots are stored, ensure there’s enough disk space, and verify network connectivity. Also, check the snapshot repository configuration and ensure it’s correctly set up. If the issue persists, check the Elasticsearch logs for more detailed error information.

This guide will help you check for common problems that cause the log ” Failed to snapshot ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: snapshot.

Log Context

Log “Failed to snapshot” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 } catch (SnapshotFailedEngineException | IndexShardSnapshotFailedException e) {
 throw e;
 } catch (Exception e) {
 throw new IndexShardSnapshotFailedException(shardId; "Failed to snapshot"; e);
 }  /**
 * Checks if any shards were processed that the new master doesn't know about


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