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CONTAP-109765: Origin FG volume inaccessible after Flexcache is deleted

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ontap-9
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nas
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Issue

  • After deleting a FlexCache Cache volume, the original flexgroup volume is inaccessible
  • Following errors can be seen in the Event/EMS log:
    • For CIFS/SMB
      • {}[kernel: Nblade.cifsLockStateMismatch:debug]: params: {'pMessage': 'Leaked share lock?'{}}
      • [kernel: Nblade_CifsOperationTimedOut_1:error]
      • [kernel: ems.engine.suppressed:debug]: Event 'Nblade.CifsOperationTimedOut' suppressed xxx times in last xxx seconds.
    • For NFS:
      • [kernel: Nblade.dBladeNoResponse.NFS:error]
      • [kernel: ems.engine.suppressed:debug]: Event 'Nblade.dBladeNoResponse.NFS' suppressed xxx times in last xxx seconds.
  • An outage is seen.
  • Commands like ls may hang when running from a NFS Linux client.

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