I have two app volumes managers and my agents are configured with the registry setting to point to both managers, I am not using a load balancer. Is it possible to perform a rolling upgrade with this configuration? I would like to go from version 4.0.1 to 4.4.1(2103)
Yes, you just do one AVM upgrade and then the other. I am assuming they both point to the same DB instances?
I would do this off hours and disable the service on AVM-2 while you upgrade AVM-1, if they are both connected to the same DB.
Once AVM-1 is upgraded, you can leave the service enabled while you upgrade AVM-2, if you are connected to the same DB.
If they are both connected to the same DB and your Desktop pool VMs have fail-over (VIP) to the AVM's, then you can do a rolling upgrade.
FYI, If you have more than two AVMs I would disable all of them but the two and then follow the steps above.