I have just upgraded esxi 5.0 to 5.1. I used to have local datastore, which I changed to openfiler iSCSI storage during upgrade. After rebooting all configuration changes done to Network adapters, Storage adapters and Storage are lost. As a result of this (?) I see old virtual machines which have been removed, these show as Unknown (inaccessible). Removing these these from inventory does not help, they appear back after reboot.
Any hints ?