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Stretch MetroCluster - fci.link.break errors

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Applies to

  • Stretch MetroCluster
  • ONTAP 9
  • ATTO FibreBridge 

Issue

  • Error messages similar to the below are observed in the event log:

Cluster1::> event log show -message-name fci*
Time                Node             Severity      Event
------------------- ---------------- ------------- ---------------------------
10/4/2020 07:09:46  Node01    ERROR         fci.link.break: Link break detected on Fibre Channel adapter 2a.
10/4/2020 05:16:42  Node01    ERROR         fci.link.break: Link break detected on Fibre Channel adapter 2a.
10/4/2020 03:18:07  Node01    ERROR         fci.link.break: Link break detected on Fibre Channel adapter 2a.

  • Similar error counts are observed on the ATTO bridge connected to this port even after the FC port error counters have been cleared (resetfcporterrors all):

get FCPortErrors all

; Fibre Channel Error Counts 
; Port | Link Failures | Sync Loss | Signal Loss | Invalid Tx | Invalid CRC
;==========================================================================
   1                 0           0             0          238             0
   2               579      432715             2      7659262            34

 

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