Applies to ONTAP 9 AFF A800 AFF A400 FAS8700 FAS8300 Issue When reverting to the unfixed versions listed in the Solution section, ONTAP experiences a reboot loop or be stuck in a hung state. The conso...Applies to ONTAP 9 AFF A800 AFF A400 FAS8700 FAS8300 Issue When reverting to the unfixed versions listed in the Solution section, ONTAP experiences a reboot loop or be stuck in a hung state. The console log shows: [nvdimm.fw.upgrade.failure:ERROR]:NVDIMM controller in slot-X failed to upgrade firmware because it is at ARMed state or has valid data
