Nutanix recommends that you use the Prism Life Cycle Manager to perform firmware updates. However, firmware must be updated manually if:
- The component is located in a single-node cluster, OR
- The component is located in a multi-node cluster, but the hypervisor the cluster is running does not support LCM firmware updates.
Manual Upgrades:
- Manually Updating SATA DOM Firmware
- Manually Updating M.2 RAID Hypervisor Boot Drive Firmware
- Manually Updating the BMC and BIOS
- Manually Updating HBA Controller Firmware
- Manually Updating Data Drive Firmware
- Manually Updating NIC Firmware
For more details: https://portal.nutanix.com/page/documents/details?targetId=Hardware-Admin-Ref-AOS-v5_18:bre-manual-firmware-update-c.html