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VSCAN  server disconnects from ONTAP due to packet loss

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Category:
ontap-9
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NAS
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Helpful 

Applies to

  • ONTAP 9
  • VSCAN
  • ONTAP AV Connector 1.0.4

Issue

  • VSCAN server disconnects from ONTAP with status "remote-closed" randomly
  • VSCAN events show :
    • VSCAN server disconnects and connects back after sometime automatically without performing any corrective action.
Node  Vserver   Server Event Log Time Event Type Vscanner Vendor Vscanner Version Server Disconnect Reason  Vserver LIF Used for Connection    
cluster-n1 svm1 10.xx.xx.206 7/11/2022 07:23:41 scanner-connected trendmicro 11.28700                      10.xx.xx.141    
cluster-n1 svm1 10.xx.xx.206 7/11/2022 07:23:16 scanner-disconnected             remote-closed             10.xx.xx.141
07/11/22-07:23:16.584Z [pipe: 10.xx.xx.141][Read] GetOverlappedResult failed, err: <64>
_closingQ: [0]
[10.xx.xx.141][Write] GetOverlappedResult failed, err: <64>
07/11/22-07:23:16.584Z Retrying pipe-read for pipe: [10.xx.xx.141]
07/11/22-07:23:16.584Z [10.xx.xx.141][Write] GetOverlappedResult failed, err: <59>
07/11/22-07:23:16.584Z [pipe: 10.xx.xx.141][Read] GetOverlappedResult failed, err: <59>
_closingQ: [0]
07/11/22-07:23:16.584Z Retrying pipe-read for pipe: [10.xx.xx.141]
07/11/22-07:23:16.584Z [10.xx.xx.141][Write] GetOverlappedResult failed, err: <59>
07/11/22-07:23:16.584Z [pipe: 10.xx.xx.141][Read] GetOverlappedResult failed, err: <59>
_closingQ: [0]
07/11/22-07:23:16.584Z Retrying pipe-read for pipe: [10.xx.xx.141]
07/11/22-07:23:16.584Z [10.xx.xx.141][Write] GetOverlappedResult failed, err: <59>
07/11/22-07:23:16.584Z [pipe: 10.xx.xx.141][Read] GetOverlappedResult failed, err: <59>
_closingQ: [0]
07/11/22-07:23:16.584Z Retrying pipe-read for pipe: [10.xx.xx.141]
07/11/22-07:23:16.584Z [10.xx.xx.141][Write] GetOverlappedResult failed, err: <59>
07/11/22-07:23:16.584Z [pipe: 10.xx.xx.141][Read] GetOverlappedResult failed, err: <59>
_closingQ: [0]
07/11/22-07:23:16.584Z Retrying pipe-read for pipe: [10.xx.xx.141]
07/11/22-07:23:16.584Z [10.xx.xx.141][Write] GetOverlappedResult failed, err: <59>
07/11/22-07:23:16.584Z Retries exceeded. Cannot write to pipe 10.xx.xx.141
07/11/22-07:23:16.584Z [pipe: 10.xx.xx.141][Read] GetOverlappedResult failed, err: <59>
_closingQ: [0]
07/11/22-07:23:16.584Z Max read retries over. Closing the pipe: [10.xx.xx.141]

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