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Briefly, this error occurs when OpenSearch fails to clone a snapshot due to issues like insufficient permissions, lack of disk space, or network connectivity problems. To resolve this, ensure that OpenSearch has the necessary permissions to access the snapshot repository. Also, check if there’s enough disk space available for the operation. If the issue persists, verify your network connectivity and ensure that the snapshot repository is accessible. Lastly, check the snapshot’s integrity as it might be corrupted.
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This guide will help you check for common problems that cause the log ” [{}][{}] failed to clone snapshot ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: snapshot.
Log Context
Log “[{}][{}] failed to clone snapshot” classname is SnapshotsService.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :
}
@Override
public void onFailure(String source; Exception e) {
initializingClones.remove(snapshot);
logger.warn(() -> new ParameterizedMessage("[{}][{}] failed to clone snapshot"; repositoryName; snapshotName); e);
listener.onFailure(e);
}
@Override
public void clusterStateProcessed(String source; ClusterState oldState; final ClusterState newState) {
