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E-Series EF570 controller panics due to IB Device FATAL event on device

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Applies to

  • NetApp E-Series EF570
  • SANtricity OS 11.70 and newer

Issue

  • Controller reboots with panic exception observed in excLogShow:

    • ---- Log Entry #842 (Core 2) Aug-21-2025 08:29:29 PM ----
      08/22/25-01:30:42 (lclWorker7_0): WARN:  Can't run IOC dump, Mutex Lock is not 0
      2025-08-22 01:30:46.435795
      IB Device FATAL event on device 0x16b87d600 nodeGuid: 08c0eb0300243a52!

      ---- Log Entry #843 (Core 0) Aug-21-2025 08:30:23 PM ----
      WARNING: Reset by alternate controller

  • One of the two ASUP generated cases are observed:
    • E-Series Notification (Core dump has been captured)INFO
    • ECRFLT:E-Series Notification from array_name (Controller redundancy lost) CRITICAL

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