There was a System interruption causing Snapshot delete operation to fail during a NDMP dump operation. dmp Sat May 6 11:49:16 JST 2023 /stor7XXXXX/XXXX/s72489(4) Error (deletion of "/vol/XXXXX/../sna...There was a System interruption causing Snapshot delete operation to fail during a NDMP dump operation. dmp Sat May 6 11:49:16 JST 2023 /stor7XXXXX/XXXX/s72489(4) Error (deletion of "/vol/XXXXX/../snapshot_for_backup.31524" snapshot failed: Unknown error: 18207 Verify EMS logs at the time of Snapshot deletion failure to see if there were any suspicious events causing interruptions. (For Eg: Node TO/GB)