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AFF C400 shuts down due to failed 40G/100G Ethernet Controller CX5 card

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aff-series
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hw
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Applies to

  • AFF C400
  • X1148A: 40G/100G Ethernet Controller CX5
  • Network Interface Card (NIC)

Issue

  • AFF-C400 controller shuts down and is unresponsive
  • SSH connection attempts to the controller fail
  • Physical connection to the controller via Serial Console port shows a black screen
  • BMC is accessible
  • system power status is off 
  • system power on doesn't change the power status to on
  • There is no panic are any other indication in BMC output for the controller shutdown reason
  • After physically re-seating the controller, the issue persists
  • Fault isolation process detected the external CX5 NIC card is preventing the controller from being responsive

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