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NetApp Knowledge Base

Why "Snapshot_for_backup" snapshot of past date didn't delete automatically?

Last Updated:

Applies to

  • ONTAP 9.X
  • NDMP


  • 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)


Sat May 06 11:49:55 +0900 [XXXXXX: cf_main: cf.fsm.firmwareStatus:info]: Failover monitor: partner RebootingSat May 06 11:49:55 +0900 [XXXXXX: cf_main: cf.fsm.nfo.partnerShutdown:notice]: Negotiated failover: partner has shutdown

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