Failed to finalize snapshot deletion – How to solve this Elasticsearch error

Opster Team

July-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Check-Up which can resolve issues that cause many errors.

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

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

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

final Set survivingSnapshotUUIDs =;
 return new ShardSnapshotMetaDeleteResult(indexId; snapshotShardId; indexGeneration;
 unusedBlobs(blobs; survivingSnapshotUUIDs; updatedSnapshots));
 } catch (IOException e) {
 throw new RepositoryException(; "Failed to finalize snapshot deletion " + snapshotIds +
 " with shard index [" + indexShardSnapshotsFormat.blobName(indexGeneration) + "]"; e);
 private void writeShardIndexBlob(BlobContainer shardContainer; String indexGeneration;


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