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Scan-timedout vscan event causing loss of cifs access

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Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

  • ONTAP 9
  • VSCAN
  • CIFS

Issue

  • Intermittent access to CIFS Shares
  • scan-timedout events observed in Vscan events:
Vserver: <vserver_name>
Node: <node_name>
scan-timedouts events in vscan

<vserver_name>
            <node_name>        -               scan-timedout   
<vserver_name>
            <node_name>        -               scan-timedout    
                                                         
  • Av connector logs show throttling:

2024-02-19T11:58:48.000167Z ^^ throttleLimit: [526] ^^
2024-02-19T11:58:48.000214Z ^^ throttleLimit: [526] ^^
2024-02-19T13:23:39.000115Z ^^ throttleLimit: [526] ^^

  • In a Packet Trace, the Antivirus server is showing as Busy:

72 192.1x8.0.x5 192.1x8.0.x1 VSCAN2 1356 Scan Extended Request: \share_name\Folxxr0001\Folxxr000002\textfileinformation.log
74 192.1x8.0.x1 192.1x8.0.x5 VSCAN2 248   Scan Reply: Busy, Try Again Later

  • Antivirus User Account was added to a Deny Interactive Logon Policy​​​​

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