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E-series reports Extended Fibre Channel link down

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Applies to

  • NetApp E-Series system 
  • Direct Attached
  • StorageGRID Appliance

Issue

  • Within E-Series support bundle or AutoSupport, the major-event-log reports FC port constantly flapping. Similarly, these events may be found in SANtricity System Manager under Support > Events.
Extended Fibre Channel link down (greater than one minute) - Host-side: controller in bay A, port 5
Fibre channel link down - Host-side: controller in bay A, port 5
Fibre channel link up - Host-side: controller in bay A, port 5
  • Within E-Series support bundle or AutoSupport, the fcDump command output in the state-capture-data file may show a high amount of bad characters:

2806-A           Our  Num  ::...Exchange Counts...:: Num  ..Link Up..
Chip   LinkStat  Port Port ::                     :: Link  Bad  Bad
                  ID  Logi ::Open    Total  Errors:: Down  Char Frame
 2-Src Up-Ptp      e8    2 ::  0     236987      0::    2    19     0
 3-Src Up-Ptp      e8    3 ::  0       4553      1::   27 139145    0 

 

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