In my ESX 4 deployment I am using Openfiler as an iSCSI target. Each ESX host has it's own iSCSI target mapped to a LUN. On one of my hosts I am having an issue. I seem to be either loosing the iSCSI target or the datastore. I am leaning more towards the target after mounting this target on my second ESX 4 host and having the same result. Any troubleshooting steps I should take to try and fix this issue?