CDP: Great for corruption, not disaster recovery
While there are various ways to implement continuous data protection, most experts agree that the defining characteristic of CDP is the ability to roll back a system, database or set of files to any time within the retention window. Generally, the detail that can be achieved with CDP depends on the frequency of file-system transactions, which can occur many times per second.
CDP has gained widespread support helping enterprises recover from data corruption. Historically, corruption recovery relied on slow processes with much less "time granularity" to recover, for example, from a tape backup or periodic database dumps.
[ Read more ]