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Azure instance shut down and is unable to boot back up

Last Updated:

Applies to

  • Cloud Volumes ONTAP (CVO)
  • Microsoft Azure


  • Single node Azure CVO instance shut down unexpectedly and won't boot back into ONTAP. When attempting to boot, it shuts itself down again.
  • The Azure console reports the following upon boot up:
    PANIC: NVRAM jettison for dirty shutdown of panic-mode vsim/vsa. in SK process rc on release 9.8P1 (C) on Thu Sep 23 17:45:53 GMT 2021
    version: 9.8P1: Wed Jan 20 20:14:09 EST 2021
    compile flags: x86_64.optimize.ovf
    Writing panic info to HA mailbox disks.
    HA: current time (in sk_msecs) 10145 (in sk_cycles) 379727184508
    coredump: warning: dump is aborted because a core in the dump device is not saved yet.
    DUMPCORE: END -- coredump *NOT* written
    coredump: total ms 18 chunks of all zeroes 0
    Dumpcore failed
    coredump: dumper failed -1.
    The operating system has halted.
    Shutting off virtual machine.

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