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ATTO 7500N/7600N Reboots with Critical Software Error Detected by duplicate IP Address

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metrocluster
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Applies to

  • ONTAP 9
  • ATTO Fibrebridge 7500N
  • ATTO Fibrebridge 7600N

Issue

  • ATTO Bridge(s) suddenly reboots
  • Panic can occur on the connected nodes if all the Bridges reboot at once:

PANIC : aggr aggr0_dfcp02: raid volfsm, fatal multi-disk error

  • ATTO FibreBridge logs:

CRIT Address fe80::123:12ff:fea1:1ec0%1 for MP1 already in use
...
INFO Reset. Reason: Watchdog Timer Interrupt Exception
INFO Reset. Reason: Watchdog Timer Interrupt Exception
INFO Reset. Reason: Critical Software Error Detected

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