Abstract: In IT Business organisations, accessing and maintaining of data plays a vital role. Data disaster will occur due to human prone and natural hazards, so disaster recovery is important for IT business. Virtualization is one of the best technologies for disaster recovery because of high resource utilization, high availability, ease of power management, recovery management and dynamic infrastructure. This study describes some disaster recovery mechanisms in major virtualization technologies such as VMware, Citrix, Microsoft, Oracle VM, and Parallel workstation.