ESX/ESXi won't boot up correctly when there is no available NIC that ESX/ESXi can support.
At that time, "Failed to load lvmdriver" is output and ESX/ESXi moves to recovery mode.
On UCS C250, all NICs may be disabled after BIOS upgrade, and this problem may occur.
https://supportforums.cisco.com/docs/DOC-14724
