Patent ID: 8904133
Filing Date: 2014-12-02
Classification: G06F

Abstract:
1. A storage system for migrating a source remote copy configuration in a source storage system to a destination storage system as a destination remote copy configuration, the storage system comprising: the source storage system including the source remote copy configuration comprised of a primary volume provided by a source primary storage apparatus and a secondary volume provided by a source secondary storage apparatus; and the destination storage system, coupled to the source storage system, including a primary volume provided by a destination primary storage apparatus and a secondary volume provided by a destination secondary storage apparatus so that the primary volume of the destination primary storage apparatus and the secondary volume of the destination secondary storage apparatus are able to configure the destination remote copy configuration, wherein the destination primary storage apparatus of the destination storage system is configured to: wherein, when the destination primary storage apparatus of the destination storage system receives a write request from the host computer after taking over the first identifier from the virtual volume to the primary volume of the destination primary storage apparatus, the destination primary storage apparatus of the destination storage system is configured to: