Upgrading and Repairing Servers

Chapter 9 Backup Operations

Data backup involves transferring files from a system's primary storage to a different local or network device. Unlike simple file copying performed using the server operating system's file management system, backup programs (either those built into operating systems or purchased separately) perform file compression and, optionally, encryption during the backup. As a result, backed-up files must be restored before they can be used. Timely and well-organized data backups enable a business to recover from hardware failure, user error, or other threats to the contents of a server's hard disk.

While data backup is at least moderately important for individual PCs, it is a critical task for a server. Depending on the amount ...