I forgot micorosoft wants to get into the DR game. Here’s the latest info.
Data Protection Manager?is the first enterprise-level backup product released by Microsoft. It’s architecture is quite interesting – it uses a combination of various technologies (Volume Shadow Copies, continuous disk-based backup for quick restore of recent data, combined with tape recovery for slow restore of old data) which ensures a near-continuous availability of backed-up data.
You can download?the beta from here. There is also a technical overview of the product at this link.
[Via MSDN Blogs]