Failing snapshot of shard on closed node – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1-2.9

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Briefly, this error occurs when OpenSearch tries to take a snapshot of a shard on a node that has been closed. This could be due to a network issue, a node failure, or a manual shutdown. To resolve this issue, you can try restarting the node if it was shut down manually. If it’s a network issue, check your network connections and settings. If the node has failed, you might need to replace it or move the shard to a different node. Also, ensure that your cluster health is green before taking a snapshot.

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This guide will help you check for common problems that cause the log ” failing snapshot of shard [{}] on closed node [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: node, snapshot, shard.

Log Context

Log “failing snapshot of shard [{}] on closed node [{}]” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :

                if (nodes.nodeExists(shardStatus.nodeId())) {
                    shards.put(shardId; shardStatus);
                } else {
                    // TODO: Restart snapshot on another node?
                    snapshotChanged = true;
                    logger.warn("failing snapshot of shard [{}] on closed node [{}]"; shardId; shardStatus.nodeId());
                    final ShardSnapshotStatus failedState = new ShardSnapshotStatus(
                        "node shutdown";


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