Patent ID: 8869146

Claim:
A virtual machine migration system, comprising: a storage array configured to maintain data; a first host computer comprising at least one virtual machine with a virtual drive that is mapped to a logical unit number (LUN) of the storage array, the LUN corresponding to a LUN mask that associates the LUN with the first host computer; a virtual manager that is executable on the first host computer, the virtual manager configured to unmask the LUN to migrate the virtual machine from the first host computer to a second host computer that is configurable as a host of the virtual machine, the virtual manager configured to log the first host computer out of the LUN and the second host computer configured to log into the LUN to access the data in the storage array; and the virtual manager further configured to delete the virtual machine from the first host computer and disassociate the virtual machine from the first host computer after the virtual machine is deleted.