Upgrade Secondary in Juniper Cluster

[habal_]

We had a Juniper Cluster. The primary was removed because it was used in another cluster. We need to upgrade the secondary from 6.0R4 to 6.4R3. I realize the way it should work is we upgrade the primary and the secondary will synch right? What happens if we upgrade the secondary and there is no primary to synch up with? Will I create a situation that I cannot rollback or recover from?

Any help is appreciated...Thanks...Ed

[rdit_ · Accepted solution]

if theres only one machine left - the secondary one, you dont need a cluster anymore. just delete the cluster, that you have a standalone machine. then you can just upgrade without any issues.

if you leave it as it is, there shouldnt be any problems either. even not when the primary comes back to the cluster. the ssl vpn gateways are checking their clustermembers for a newer version while booting. if one node (secondary or primary makes no difference!) has a newer release it automatically updates as well. (depends if you have central manager license or not - maybe you have to do it manually!).

so, when you update the second one without any other member in the cluster, then experiencing problems, you can just roll-back to the previous version, there shouldnt be any problems!

[habal_]

Success