Performing An Issu Upgrade - Alcatel-Lucent OmniSwitch AOS Release 7 Manual

Managing CMM Directory Content

Performing an ISSU Upgrade

Note. The example below uses a directory named 'issu_dir'. However, the directory can be any user-
defined directory.
1
Ensure that the switch is fully synchronized and certified.
2
Create the flash/issu_dir directory and copy the image files and the issu_version file to the /flash/
issu_dir directory.
3
Enter 'issu from issu_dir' to begin the ISSU upgrade.
4
The switch copies the /flash/issu_dir directory to the secondary CMM, reloads the secondary CMM
with the upgraded code, and the secondary becomes the new primary CMM.
5
The old primary CMM becomes the secondary CMM and reloads using the upgraded code in the
flash/issu_dir directory.
As a result of this process both CMMs are now running with the upgraded code and the primary and
secondary CMMs will have changed roles (i.e., primary will act as secondary and the secondary as
primary).
6
Reset the individual NIs using the
7
Enter 'copy running certified flash-synchro' to certify the configuration.
8
Verify the status of the ISSU upgrade using the
OmniSwitch AOS Release 7 Switch Management Guide
issu slot command.
show issu status
March 2011
In-Service Software Upgrade
command.
page 3-25