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Loss of host-side connection redundancy detected on iSCSI Host

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Category:
e-series-systems
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Applies to

  • NetApp E-Series
  • iSCSI Host

Issue

  • Major Event Log Loss of host-side connection redundancy detected being reported:
Example:
Date/Time: 2023-06-17 01:32:45
Sequence number: 2470
Event type: 9102
Event category: Error
Priority: Critical
Event needs attention: true
Event send alert: true
Event visibility: true
Description: Loss of host-side connection redundancy detected
Event specific codes: 0/0/0
Component type: Host
Component location: Host XXXX
Logged by: Controller in bay A
  • Recovery Guru entry Host Redundancy Lost being reported:
Example:
Failure Entry 1: ALB_HOST_REDUNDANCY_LOST-Recovery Failure Type Code: 475
Storage array: E2860
Affected host: XXXX
Affected controller: Controller in bay B
  • Recovery Guru entry for Volume Not on preferred path may also be reported:

Failure Entry 1: NON_PREFERRED_PATH-Recovery Failure Type Code: 10"

  • Only one controller has iSCSI connection in ISCSI-SESSION-CONNECTIONS of Support-Data log:

==iSCSI Session Summary==
Initiator iSCSI name:  iqn.1991-05.com.microsoft:dps01p  
   Sessions/Connections to Controller A:
      10.0.1.29 ->  10.0.1.99  
   Sessions/Connections to Controller B:
      <Empty>

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