Patent ID: 9395928
Filing Date: 2016-07-19
CPC Classification: G06F

Claim Text:
1. A management system coupled to a plurality of storage systems including a plurality of logical volumes, comprising: a processor; and a memory storing instructions, which are executable by the processor, and management information which includes identifiers of volume sets, identifiers of the storage systems and identifiers of the logical volumes, wherein the volume sets are groups of logical volumes, and wherein the processor is configured to: receive a request for a remote copy; receive an identifier of a logical volume designated as a copy source; receive an identifier of a volume set designated as a target for creating a copy pair; add the designated logical volume to the designated volume set if the designated volume set does not include the designated logical volume; and create a copy pair between the designated logical volume as the copy source and another logical volume as a copy destination, which maintains consistency of data with the designated logical volume, and is included in the designated volume set by referring to the management information.