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Node reboot for no disks attached after TPM FW upgrade during MB replacement

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fas-systems
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hw
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Applies to

  • FAS/AFF
  • Motherboard replacement
  • TPM firmware lower than 5.63

Issue

  • When replacing a motherboard, the node was booted into ONTAP and CFO giveback was performed in order to update TPM firmware to 5.63 as in How to upgrade TPM firmware
  • After updating the TPM firmware to 5.63 using this process, the node cannot boot to ONTAP
  • Node is in a boot loop for no disks attached, while the disks are attached and visible

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