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Unable to access the CIFS Share with VSCAN mandatory-scan enabled due to asymmetric routing

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Category:
ontap-9
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nas
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Applies to

  • ONTAP 9 and Later
  • ONTAP AV Connector
  • VSCAN
  • CIFS

Issue

  • Unable to access the CIFS Share while Vscan mandatory-scan is enabled.
  • Getting error message: Device attached to the system is not functioning.
  • event logs show command shows below events.

::> event log show -node node1 -event *vscan*
Time                Node     Severity         Event
------------------- -------  --------        -------- ---------------------------
9/2/2024 10:13:46   node1    EMERGENCY        Nblade.vscanNoScannerConn: Vserver "vs0" has no virus scanner connection.    
9/2/2024 10:13:46   node1    DEBUG            ems.engine.suppressed: Event 'Nblade.vscanNoScannerConn' suppressed 915 times in last 603 seconds.
9/2/2024 10:11:01   node1    INFORMATIONAL    INFORMATIONAL vscan.enabled: Vscan is enabled on Vserver 'vs0'.        

  • vscan connection status show all command shows as disconnected and disconnect reason as remote-closed. 

::*> vscan connection-status show-all
  (vserver vscan connection-status show-all)
                                                  Connection
Vserver   Node     Server          Status         Disconnect Reason
--------  ------   ---------- --------------- -------------- -----------------
vs0       node1    10.86.2.69      disconnected   remote-closed
vs0       node1    10.86.2.70      disconnected   remote-closed

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