Patent ID: 9292211
Filing Date: 2016-03-22
CPC Classification: G06F

Claim Text:
1. A storage system comprising: a first storage system comprising at least one first processor, the first storage system, executed by the at least one first processor, configured to provide a migration source volume to a computer; a second storage system comprising at least one second processor, the second storage system, executed by the at least one second processor, configured to include a first virtual storage device and a second virtual storage device; and a third storage system comprising at least one third processor, the third storage system, executed by the at least one third processor, configured to execute a first remote copy processing with the migration source volume in the first storage system, the first storage system receiving a first input/output (I/O) request from the computer via a first path between the computer and the first storage system, wherein the second storage system, executed by the at least one second processor, is configured to: