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ATTO Fibre Bridge causing Link Failures on FC switch

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Category:
metrocluster
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metrocluster
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Applies to

  • Fabric MetroCluster
  • ATTO FB7500

Issue

  • Many link failure errors are observed on the switch ports connected to this ATTO bridge:
    • 2021/04/13-15:17:49, [PORT-1003], 111567, FID 128, WARNING, FabSW1, Port 11 Faulted because of many Link Failures.
  • The ATTO bridge itself cannot obtain FC port error counts:

    • get FCPortErrors all

      ; Fibre Channel Error Counts
      ; Port | Link Failures | Sync Loss | Signal Loss | Invalid Tx | Invalid CRC
      ;==========================================================================
         1        Error Obtaining FC Error Counts for port 1
         2        Error Obtaining FC Error Counts for port 2

  • Health Monitor reports the ATTO bridge in an 'error' state:
    • ClusterA::> storage bridge show
                                                                  Is        Monitor
      Bridge     Symbolic Name Vendor  Model     Bridge WWN       Monitored Status
      ---------- ------------- ------- --------- ---------------- --------- -------
      ATTO_0.0.0.16
                 FB-16
                               Atto    FibreBridge 7500N
                                                 2000001086603824 true      ok
      ATTO_0.0.0.17
                 FB-17         Atto    FibreBridge 7500N
                                                 20000010866037e8 true      error
      ATTO_0.0.0.18
                 FB-18         Atto    FibreBridge 7500N
                                                 2000001086609e0e true      ok
      ATTO_0.0.0.19
                 FB-19         Atto    FibreBridge 7500N
                                                 2000001086609c06 true      ok
  • Sysconfig -a does not report the ATTO bridge under any of the adapters.

 

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