I am running VMware 5.5 on two hosts. One host is unreachable but had no VMs on it anyway. The production host has 5 VMs and all show disconnected but are, luckily, still accessible through RDP or UNC. The host shows not responding. vCenter is a VM and on the host that is not responding (was on other host but was moved to this one over the weekend while maintenance was done on the other host). vCenter is still accessible.
There were no errors on the not responding host an hour ago. I created a volume on an HP SAN then mapped it to the production host. I then went to the production host and refreshed the storage adapter. Still didn't see the volume to create a datastore. I then did a rescan through the web client of just the host's HBA. It timed out after a while then the host showed not responding and the VMs showed disconnected. I was able to add a volume / create a datastore and add to this host over the weekend in about 30 minutes with no issues.
Any help on getting the host to respond as well as get the VMs to connect would be excellent.