Patent ID: 8176012
Filing Date: 2012-05-08
Classification: G06F

Abstract:
1. A method of load sharing within a network data storage system, said method comprising: storing at least one first volume of a set of mirrored volumes on one or more of at least one storage server of a cluster of storage servers and at least one remote storage server, wherein each storage device in said cluster of storage servers is interconnected with a cluster switching fabric, wherein each storage device in said remote storage server is interconnected with a storage server switching fabric, and wherein said cluster switching fabric and said storage server switching fabric are two different switching fabrics; and storing at least one second volume of said set of mirrored volumes on said at least one remote storage server, wherein each of said at least one first volume and said at least one second volume of said set of mirrored volumes is linked into a global namespace of volumes of said cluster of storage servers, said global namespace being extended to include each volume of said set of mirrored volumes stored on the remote storage server.