Briefly, this error occurs when Elasticsearch is unable to duplicate a snapshot due to issues like insufficient permissions, lack of disk space, or network connectivity problems. To resolve this, you can check and increase your disk space, ensure the user has the necessary permissions to perform the operation, and verify your network connection. Additionally, check the snapshot repository’s health and configuration. If the snapshot is corrupted, you may need to create a new one.
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 Elasticsearch concepts: snapshot.
Log Context
Log “[{}][{}] failed to clone snapshot” classname is SnapshotsService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
}
@Override
public void onFailure(Exception e) {
initializingClones.remove(snapshot);
logger.warn(() -> new ParameterizedMessage("[{}][{}] failed to clone snapshot"; repositoryName; snapshotName); e);
listener.onFailure(e);
}
@Override
public void clusterStateProcessed(ClusterState oldState; final ClusterState newState) {
