Performing Compatible Issu Upgrade - H3C S5500-HI Series Fundamentals Configuration Manual

Running Version: version1
Version Compatibility List:
version2 (Incompatible)
The output shows that the two versions are incompatible. You need to use the incompatible ISSU method.
For more information, see

Performing compatible ISSU upgrade

# Upgrade the specified slave switch (the new master after the upgrade), which is slave 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 slave switch 2, check whether the system software image of salve switch 2 is
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:
The output shows that the system software image of slave switch 2 is soft-version2.bin.
# Reboot the master manually.
[IRF] issu run switchover slot 2
Master will reboot, switch the specified board to master and update the line card. Continue?
[Y/N]:y
In this example, the member ID of the master is 1. After reboot, the master becomes a slave switch in the
IRF fabric. Then the slave switches perform a role election, and salve 2 becomes the new master because
the priority of slave switch 2 is higher than that of slave switch 3.
# Accept the ISSU upgrade and delete the rollback timer.
[IRF] issu accept slot 2
# Upgrade switch 1 and 3 respectively.
[IRF] issu commit slot 1
The specified board will reboot and be upgraded. Continue? [Y/N]:y
[IRF] issu commit slot 3
The specified board will reboot and be upgraded. Continue? [Y/N]:y
"Performing incompatible ISSU
flash:/soft-version1.bin
flash:/soft-version1.bin
flash:/
flash:/soft-version2.bin
flash:/soft-version2.bin
flash:/
flash:/soft-version1.bin
flash:/soft-version1.bin
flash:/
144
upgrade."