Service Manual

At this point the firmware downloads to the standby CP only and reboots it. The current
Backbone session is disconnected.
c) Wait one minute for the standby CP to reboot, and then connect to the Backbone and log
in as admin.
d) Enter the firmwareShow command to confirm that both primary partitions have the test
drive firmware in place.
You are now ready to evaluate the new version of firmware.
ATTENTION
Stop! If you want to restore the firmware, stop here and skip ahead to step 12; otherwise,
continue to step 10 to commit the firmware on both CPs, which completes the firmware
download.
10.Perform a commit on the standby CP.
From the current Backbone session on the standby CP, enter the firmwareCommit command to
update the secondary partition with new firmware. It takes several minutes to complete the commit
operation. Do not do anything on the Backbone while this operation is in process.
11.Perform a commit on the active CP.
a) From the current Backbone session on the active CP, enter the firmwareShow command
and confirm that only the active CP secondary partition contains the old firmware.
b) Enter the firmwareCommit command to update the secondary partition with the new
firmware. It takes several minutes to complete the commit operation. Do not do anything
on the Backbone while this operation is in process.
c) Upon completion of the firmwareCommit command, enter the firmwareShow command
to confirm both partitions on both CPs contain the new firmware.
d) Enter the haShow command to confirm that the HA state is in sync.
ATTENTION
Stop! If you have completed step 11, then you have committed the firmware on both CPs
and you have completed the firmware download procedure.
12.Restore the firmware on the standby CP.
In the current Backbone session for the standby CP, enter the firmwareRestore command. The
standby CP reboots and the current Backbone session ends. Both partitions have the same Fabric
OS after several minutes.
13.Perform haFailover on the active CP.
a) In the current Backbone session for the active CP, enter the haShow command to verify
that HA synchronization is complete. It takes a minute or two for the standby CP to reboot
and synchronize with the active CP.
b) Enter the haFailover command. The active CP reboots and the current Backbone session
ends. The Backbone is now running the original firmware.
14.Restore firmware on the "new" standby CP.
a) Wait one minute and connect to the Backbone on the new standby CP, which is the former
active CP.
b) Enter the firmwareRestore command. The standby CP reboots and the current Backbone
session ends. Both partitions have the same Fabric OS after several minutes.
c) Wait five minutes and log in to the Backbone. Enter the firmwareShow command and
verify that all partitions have the original firmware.
Testing and Restoring Firmware
36 Fabric OS Upgrade Guide
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