Upgrading from an SBC 3.1.x/4.x to SBC 5.1.x involves:
Upgrading Firmware (not applicable to SBC SWe)
This step upgrades BMC firmware for SBC 5000 series and both BMC and BIOS firmware for SBC 7000 series.
Upgrading SBC Application
This step upgrades BIOS and OS for SBC 5000 series and only OS for SBC 7000 series.
The Standalone and HA upgrade flows below are are shown for general guidance. Actual software and firmware versions may vary depending upon the upgrade path:
Standalone Upgrade To 5.1.x
HA Upgrade To 5.1.x