VSCAN server disconnects from ONTAP due to packet loss
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- AVSHIM logs at the time of disconnection shows :( With debug logging enabled)
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.14107/11/22-07:23:16.584Z [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]