GDPS Metro HyperSwap Manager
In this chapter, we discuss the capabilities and prerequisites of the GDPS Metro HyperSwap Manager (GDPS HM) offering.
GDPS HM extends the availability attributes of a Parallel Sysplex to disk subsystems, whether the Parallel Sysplex and disk subsystems are in a single site, or whether the Parallel Sysplex and the primary/secondary disk subsystems span across two sites.
It provides the ability to transparently switch primary disk subsystems with the secondary disk subsystems for either a planned or unplanned disk reconfiguration. ...