IBM’s New HyperSwap a Head Scratcher for Some
June 17, 2014 Alex Woodie
One of the new features that IBM added to its PowerHA suite with the launch of IBM i 7.2 is HyperSwap, which allows a production IBM i LPAR to be moved from one DS8700 SAN array to another and restarted almost instantly. While HyperSwap protects against the failure of a SAN in a single data center, its inability to work in a geographically dispersed manner had led some in the IBM i HA community to question its usefulness in a true disaster. HyperSwap is a data resiliency feature that IBM is making available to IBM i shops as part of |