I’ve noticed over the years that while VMware admins tend to really understand maintenance mode, a lot of others in adjacent spaces (storage, network, etc.) have a very murky perspective on it.  In fact, I’d bet that if you sat down a storage person at vCenter and told them to evacuate a host with MM, odds are they would be really confused when the task hung or failed.  I know I was the first time I tried it. Continue reading →