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FC-Initiator Links Down in MetroCluster with Cisco backend Switch

Last Updated:

Applies to

  • Fabric MetroCluster
  • Cisco MDS 9000 Series 


  • StorageFCAdapterFault_Alert reported in event log
  • show interface brief on the Cisco switch reports:

fc1/1 is down (Error disabled - bit error rate too high)

  • The following type of syslog messages are logged for the interface on the Cisco switch:

%PORT-5-IF_DOWN_BIT_ERR_RT_THRES_EXCEEDED: %$VSAN 1%$ Interface fc1/1 is down (Error disabled - bit error rate too high)
%MODULE-4-MOD_WARNING: Module 1 (Serial number: XXXXXXXX) reported warning on ports fc1/1 (Fibre Channel) due to MAC Bit error exceeded threshold in device DEV_TBIRD_MAC (device error 0xc9a01503)


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