Summary of Tasks

To perform a hitless upgrade to install and upgrade the ExtremeXOS software on your system:

View the current switch information with the show switch command.
1. Determine your selected and booted image partitions.
2. Verify which MSM is the primary and which is the backup.
3. Confirm that the MSMs are synchronized.
Select the inactive partition to download the image to (and the partition to boot from after installing the image).
Download and install the new ExtremeXOS core image on the backup MSM.
Reboot this MSM.
Verify that the backup MSM comes up correctly and that the MSMs are synchronized.
Initiate failover from the primary MSM to the backup MSM.
The backup MSM now becomes the new primary MSM.
Verify that the MSMs come up correctly and that they are synchronized.
Download and install the new ExtremeXOS core image on the original primary MSM (new backup MSM).
Reboot this MSM.
Verify that the new backup MSM comes up correctly and that the MSMs are synchronized.
Initiate failover from the new primary MSM to the new backup MSM.
This optional step restores the switch to the original primary and backup MSM.
Confirm that the failover is successful.
This optional step confirms which MSM is the primary or the backup.

Published March 2020prev | next