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Node reports StorageFCAdapterFault_Alert for down or unused FC ports

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metrocluster
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metrocluster
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Applies to

  • FAS/ AFF
  • ONTAP 9
  • MetroCluster
  • FC ports

Issue

  • The node sends AutoSupport alerts for StorageFCAdapterFault for down FC ports after every reboot.

Health Monitor process nchm: StorageFCAdapterFault_Alert[500##########]) ALERT

  • The Metrocluster_Node subsystem health gets degraded:

cluster::> system health subsystem show
Subsystem         Health
----------------- ------------------
SAS-connect       ok
Environment       ok
Memory            ok
Service-Processor ok
Switch-Health     ok
CIFS-NDO          ok
Motherboard       ok
IO                ok
MetroCluster      ok
MetroCluster_Node degraded
FHM-Switch        ok
FHM-Bridge        ok
SAS-connect_Cluster
                  ok
13 entries were displayed.

  • Health alert can be seen from clustershell as follows:

cluster::> system health alert show
               Node: node-01
           Resource: 4d
           Severity: Major
    Indication Time: Sat Aug 15 13:05:58 2020
           Suppress: false
        Acknowledge: false
     Probable Cause: FC initiator adapter 4d is at fault.
    Possible Effect: Resiliency of backend storage is compromised.
 Corrective Actions: 1. Ensure that the FC initiator link has not been tampered with.
                     2. Verify the operational status of the FC initiator
                     adapter by using the command "system node run -node
                     local -command storage show adapter".

 

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