I am in the process of upgrading my 6 host ESX 4.1 cluster to ESXi 5.0. I have upgraded one server so far, and - as part of the upgrade - I am changing my fiber channel datastore multipath policy to Round Robin from MRU (Most Recently Used), before exiting from maintenance mode.
I should be able to do this on my ESX 4.1 hosts now, before upgrading them to 5.0. Are there any caveats to be aware of? I don't need to be in maintenance mode, right? And I shouldn't need to do this off-hourse. I *should* just be able to go to every datastore on my 4.1 hosts and change the multipath policy on the fly, without any negative impact to my environment.
Correct?
Just want to double check, before I go barging ahead ... :-)