Patent ID: 7899933
Filing Date: 2011-03-01
Classification: G06F

Abstract:
1. A method of providing a user with access to a logical volume stored on at least one of a plurality of storage elements, the method comprising steps of: determining an enterprise level volume identifier (ELVID) for the logical volume, wherein the logical volume is a first of a plurality of logical volumes, said plurality of logical volumes being stored on the plurality of storage elements, wherein each of the plurality of storage elements is a unitary storage system comprising at least one storage device, wherein at least one of the plurality of logical volumes is stored on each of the plurality of storage elements, and wherein the ELVID uniquely identifies the first logical volume among the plurality of logical volumes stored on the plurality of storage elements; providing the ELVID to the user; and maintaining the same ELVID for the logical volume when the contents of the logical volume have been electronically moved from a first of the plurality of storage elements to a new storage location in a different one of the plurality of storage elements.