Cutting-edge RAID hardware is used to protect all data on the server against hard-disk failures. This technology works by creating a mirror of all data on more than one hard-disk automatically, without any delay i.e. all data is written to multiple hard-disks simultaneously so that if any hard-disk fails, that hard-disk will be marked as deactivated and the system will still continue to function as though nothing has happened by using the copy of the data on the other hard-disk(s). RAID systems offer a significant advantage over non-RAID systems, both in terms of data protection and ability to maintain 100% uptime, as the system continues to function perfectly in case of disk failures. RAID technology also marginally improves the performance of the various services on the server.