IBM DS8000 and IBM Z Synergy DS8000: Release 9.2 and z/OS 2.5

Data protection and backup

Traditional data protection and backup typically rely on a point-in-time copy, which allows restoring data only from when that copy or backup was created. As the name implies, continuous data protection, in contrast to traditional data protection and backup, has no defined schedule. However, it is usually an asynchronously created copy, which does not necessarily ensure consistent data at any one time. Utilities and other software or middleware-based functions are available to overcome this shortcoming of continuous data ...