With the rise in information technology and the reliance on business-critical data, the landscape has changed in recent years in favor of protecting irreplaceable data. This is especially evident in information technology, with most large computer systems backing up digital information to limit data loss and to aid data recovery. It is believed that some of the companies spend up to 25% of their budgets on disaster recovery planning; this is intended to avoid larger losses. Of companies that had a major loss of computerized records, 43% never reopen, 51% close within two years, and only 6% will survive long-term. The current data protection market is characterized by: Rapidly changing customer needs that are driven by data growth, regulatory issues and the growing importance to access data quickly by retaining it online. An ever-shrinking time frame for backing up data, which is burdening conventional tape backup technologies.