Upgrading UFM-SDN Appliance Software

The following figures describe various upgrade scenarios.

Legend

UFM-SDN Appliance Standalone Upgrade Flow

UFM-SDN Appliance High Availability Out-Of-Service Upgrade Flow

UFM-SDN Appliance High Availability External UFM-SM In-Service Upgrade Flow

To upgrade UFM-SDN Appliance software on your system:

Obtain the available image (.img file) and place it on either a USB storage device or an ftp/scp server and follow the steps below.

High Availability Out-Of-Service Upgrade

1. Stop UFM. 

   ufm-appliance [ mgmt-ha-active ] (config) # no ufm start
   

   Alternatively, if external UFM-SM is available, run:

   ufm-appliance [ mgmt-ha-active ] (config) # ufm safe-stop
   

2. Fetch the new software image. 

   ufm-appliance [ mgmt-ha-active ] (config) # image fetch scp://<username>@192.168.10.125/var/www/html/<image_name>
   Password ******
   100.0%[############################################################]
   

3. Install the new image. 

   ufm-appliance [ mgmt-ha-active ] (config) # image install image-ufm_appliance-x86_64-x86_64-20121205-152024.img
   Step 1 of 4: Verify Image
   100.0%
   [################################################################]
   Step 2 of 4: Uncompress Image
   100.0%
   [################################################################]
   Step 3 of 4: Create Filesystems
   100.0%
   [################################################################]
   Step 4 of 4: Extract Image
   100.0%
   [################################################################]
   

4. Set next boot location as the other slot. 

   ufm-appliance [ mgmt-ha-active ] (config) # image boot next
   

5. Save configuration. Run: 

   ufm-appliance [ mgmt-ha-active ] (config) # configuration write
   

6. Reload UFM-SDN Appliance. 

   ufm-appliance [ mgmt-ha-active ] (config) # reload
   

7. Start UFM. 

   ufm-appliance [ mgmt-ha-active ] (config) # ufm start
   

High Availability In-Service Upgrade

1. Run on both master and standby:Fetch the new software image. Run: ufm-appliance [ mgmt-ha-active ] (config) # image fetch <download URL> Install the new image. Run: ufm-appliance [ mgmt-ha-active ] (config) # image install <image name> Set next boot location as the other slot. Run: ufm-appliance [ mgmt-ha-active ] (config) # image boot next Save the configuration changes. Run: ufm-appliance [ mgmt-ha-active ] (config) # configuration write

2. Reload the standby UFM-SDN Appliance. Run:

   ufm-appliance [ ha-standby ] (config) # reload
   

3. Once the standby is up and running, reload the master UFM-SDN Appliance. Run:

    ufm-appliance [ mgmt-ha-active ] (config) # reload
   

   As a result, a failover will occur from the master node to the standby node.

Last updated: August 12, 2021