Cannot snapshot while relocating – How to solve this Elasticsearch error

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Cannot snapshot while relocating – How to solve this Elasticsearch error

Opster Team

March-22, 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 ” cannot snapshot while relocating ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: snapshot.

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 “cannot snapshot while relocating”classname  is SnapshotShardsService.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

if (indexShard.routingEntry().primary() == false) {
 throw new IndexShardSnapshotFailedException(shardId; "snapshot should be performed only on primary");
 }
 if (indexShard.routingEntry().relocating()) {
 // do not snapshot when in the process of relocation of primaries so we won't get conflicts
 throw new IndexShardSnapshotFailedException(shardId; "cannot snapshot while relocating");
 } 
 final IndexShardState indexShardState = indexShard.state();
 if (indexShardState == IndexShardState.CREATED || indexShardState == IndexShardState.RECOVERING) {
 // shard has just been created; or still recovering

 

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