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CONTAP-525578: Vscan Connection Interruptions with SMB3 Encryption

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ontap-9
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nas
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Issue

  • Nblade.vscanNoScannerConn errors reported intermittently when SMB3 encryption is enabled on the SVM and Vscan connection has been idle for longer period of time
  • The Vscan connections are re-established within few seconds
  • Named pipe errors found at time of the issue in ONTAP Antivirus connector logs

[pipe: xxxxxx.xx.xxxx.xxxx][Read] GetOverlappedResult failed, err: <58> _closingQ: [0]  
Retrying pipe-read for pipe: [xxxxxx.xx.xxxx.xxxx]  
[pipe: xxxxxx.xx.xxxx.xxxx][Read] GetOverlappedResult failed, err: <64> _closingQ: [0]  
Retrying pipe-read for pipe: [xxxxxx.xx.xxxx.xxxx]  
[pipe: xxxxxx.xx.xxxx.xxxx][Read] GetOverlappedResult failed, err: <59> _closingQ: [0]  
 

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