In vCenter we have lot’s of DRS functionalities. I won’t go into all of them here, you’ll probably know about most of them already.
This blog post will talk about the VM/Host affinity functionality, i.e. rules to keep VMs running one or more specific host(s).
There is multiple use-cases for this. You might want to keep some VMs together on the same host to minimize latency, maybe you are doing some port mirroring and so on. In my scenario the use case is keeping some VMs on specific hosts for license compliance. Licensing is a huge topic and are always subject to change so this might not be a use-case in the future.… continue reading