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Briefly, this error occurs when OpenSearch is unable to delete a snapshot due to issues like insufficient permissions, snapshot in use, or network connectivity problems. To resolve this, ensure that OpenSearch has the necessary permissions to delete the snapshot. If the snapshot is in use, wait until the operation using it is complete before attempting deletion. Lastly, check your network connection to ensure OpenSearch can communicate with the snapshot repository.
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This guide will help you check for common problems that cause the log ” deleted snapshot failed ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: snapshot.
Log Context
Log “deleted snapshot failed” classname is SnapshotsService.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :
if (ExceptionsHelper.unwrap(e; NotClusterManagerException.class; FailedToCommitClusterStateException.class) != null) {
logger.warn("cluster-manager failover before deleted snapshot could complete"; e);
// Just pass the exception to the transport handler as is so it is retried on the new cluster-manager
listener.onFailure(e);
} else {
logger.warn("deleted snapshot failed"; e);
listener.onFailure(
new SnapshotMissingException(runningSnapshot.getRepository(); runningSnapshot.getSnapshotId(); e)
);
}
}));
