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Cannot access CIFS shares if the SVM root volume is offline

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ontap-9
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nas
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Applies to

  • ONTAP 9
  • CIFS/SMB

Issue

  • The issue can present in multiple ways
  • Any of the below symptoms may be present, but because they can vary, any one being absent does not rule out the scenario
    • CIFS/SMB shares visible in Windows but not accessible with an error stating "An internal error occurred."
    • The following EMS event may be observed, with a timestamp correlating to the CIFS client's attempt to access the share
      Nblade.CifsOperationTimedOut: Detected a timed out CIFS operation. SMB command for this operation: SMB2_COM_TREE_CONNECT, Number of times this command was suspended: 2134, Number of times this command was restarted: 59, Last CSM error during this operation: CSM_OK, Remote blade UUID: 00000000-0000-0000-0000-000000000000, Is QoS enabled: QoS_disabled, Last SpinNp error during this operation: SPINNP_NO_FO_ERROR, Client IP address: 10.10.10.10, Local IP address: 10.10.10.11, Target Vserver ID: 7, Target disk's DSID: 0
  • New and existing NFS mounts may be impacted

 

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