Failed to close store on shard removal reason – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 2.3-2.3

Briefly, this error occurs when Elasticsearch encounters an issue while trying to close the store associated with a shard that is being removed. This could be due to a network issue, disk I/O problem, or a bug in Elasticsearch. To resolve this issue, you can try restarting the Elasticsearch node, checking the disk for errors, or upgrading Elasticsearch to the latest version. If the problem persists, you may need to reindex your data.

This guide will help you check for common problems that cause the log ” [{}] failed to close store on shard removal (reason: [{}]) ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index and shard.

Log Context

Log “[{}] failed to close store on shard removal (reason: [{}])” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        } finally {
            try {
            } catch (Throwable e) {
                logger.warn("[{}] failed to close store on shard removal (reason: [{}])"; e; shardId; reason);



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