Data Migration with 2-site z/OS Global Mirror replication
This chapter describes several approaches to perform a volume-based migration to a new storage system in a z/OS Global Mirror (zGM) environment.
zGM, previously known as Extended Remote Copy (XRC), is a 2-site disaster recovery solution based on system software that has the potential to provide a self-contained solution that does not require any additional complex or costly management framework.
Because zGM is driven by the host server (System z), you cannot migrate the storage system concurrently ...