In the technology oriented modern era, need for data protection holds immense importance. An unprotected data carries the risk of being easily accessible. Hence the importance of disaster recovery to modern businesses is unavoidable. Natural or man-made reasons create disasters and the recovery techniques always come at a price. It is important for businesses to implement cost effectiveness in disaster recovery. Data protection through servers is possible by replicating the data remotely and making it accessible for data restoration and migration. Data should not get corrupted and should be easily restored. Let us now discuss the currently available data storage options. Small physical hard drives are better options for storing fewer amounts of data. Open source tools like rsync is also used for synchronizing data between local machines and remote servers. But these cost efficient tools have limitations while processing large data sets. NAS and SAN storages as well as cloud storage systems are used widely for backing up large data in remote servers. (more…)