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E-Series iSCSI IP session terminations and host application errors and performance issues

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e-series-systems
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Applies to

NetApp E-Series and EF-Series

Issue

  • Experience unreliable iSCSI communication between initiator and target

Example:

B:2/28/21, 12:39:05 PM (12:39:05) 145955 180d Session terminated unexpectedly - iqn.1998-01.com.vmware:hostname

  • Host applications may send alarms and have performance impact due to recover   
  • This can be seen in packet traces  with missed TCP acknowledgment from target and retransmission from the Host

 

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