Tape Subsystems and Disk Subsystems for Backup
Another important application for subsystem technology is the automation of storage for backup and recovery. Backup and recovery is one of the primary ongoing storage applications in most Information Technology (IT) organizations. As the amount of data has increased, many organizations are finding it necessary to automate backup tasks to reduce errors and improve administrator efficiency. The application of backup is discussed in Chapter 13, “Network Backup: The Foundation of Storage Management.”
Backup and recovery in storage networks uses three basic types of storage subsystems, each with its own variations:
Autoloaders
Libraries
Disk subsystems
Autoloaders
The basic idea of a tape autoloader is ...
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