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CONTAP-471456: ASAr2 node unable to boot after takeover as it cannot find pool0 for mroot

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Category:
ontap-9
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core
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Issue

  • On boot, an ASAr2 node shows error: cannot import 'pool0': no such pool available
  • The issue was seen when running ONTAP Upgrade on ASAr2 nodes from anything <9.16.1P3 to 9.16.1P3
  • The taken over node cannot boot, but instead shows this on the serial console or BMC system console:
    WARNING: netapp_mount_mroot_early: Giving up waiting for mroot after 304 seconds.
    =mroot_encryption: geli attach: start
    =mroot_encryption: attempting to get default key; executing '/usr/sbin/cryptomod_mroot -d'
    =mroot_encryption: key digest 54c0c4ff70881b4c305aae3f4f5a40a2475ac8a3de196846f746c392b36e5a3e
    =mroot_encryption: geli attach(default)
    =mroot_encryption: attempting to get normal key; executing '/usr/sbin/cryptomod_mroot'
    =mroot_encryption: key digest 54c0c4ff70881b4c305aae3f4f5a40a2475ac8a3de196846f746c392b36e5a3e
    =mroot_encryption: geli setkey(normal)
    =Note, that the master key encrypted with old keys and/or passphrase may still exists in a metadata backup file.
    =mroot_encryption: _cleanup: start
    =mroot_encryption: key digest 54c0c4ff70881b4c305aae3f4f5a40a2475ac8a3de196846f746c392b36e5a3e
    =mroot_encryption: geli attach: end
    =cannot import 'pool0': no such pool available
    ...
    =cannot import 'pool0': no such pool available
    ERROR: Please communicate the above information to support.
    ERROR: Mroot unavailable. Recovery may be required. Halting startup.
    Halting system
  • When booting the affected node from a pre-9.16.1P3 kernel (e.g. by using boot_backup from LOADER prompt) - it boots into waiting for giveback normally

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