Performing Incompatible Issu Upgrade - HP 5800 Series Configuration Manual

# Verify that the current boot files on the IRF member switches are soft-version2.bin.
[IRF] display boot-loader
Slot 1
The current boot app is:
The main boot app is:
The backup boot app is:
Slot 2
The current boot app is:
The main boot app is:
The backup boot app is:
Slot 3
The current boot app is:
The main boot app is:
The backup boot app is:

Performing incompatible ISSU upgrade

# Upgrade the specified subordinate switch (the new master after the upgrade), which is subordinate switch
2 in this example.
<IRF> system-view
[IRF] issu load file soft-version2.bin slot 2
This command will begin ISSU, and the specified board will reboot and be upgraded. Please
save the current running configuration first; otherwise, the configuration may be lost.
Continue? [Y/N]: y
# After the reboot of subordinate switch 2, reboot and upgrade all IRF member switches that have not been
upgraded.
[IRF] issu run switchover slot 2
Master will reboot, switch the specified chassis to master. Continue? [Y/N]:y
Then, the ISSU upgrade process completes and the boot files of all IRF member switches have been
upgraded to the new version.
flash:/soft-version2.bin
flash:/soft-version2.bin
flash:/
flash:/soft-version2.bin
flash:/soft-version2.bin
flash:/
flash:/soft-version2.bin
flash:/soft-version2.bin
flash:/
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