z/OS HyperSwap
z/OS HyperSwap is a z/OS high availability feature that is available with the DS8000 storage system. It provides the capability to switch host I/O operations transparently without application outage, between Metro Mirror primary and secondary volumes. The switch can be either planned (for maintenance) or unplanned (as a result of a primary storage system failure, for example).
This chapter describes the z/OS HyperSwap functions. It provides a short overview and describes some of the sequences of HyperSwap operations.
This chapter ...
Get IBM DS8000 Copy Services: Updated for IBM DS8000 Release 9.1 now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
