backup
The process of backing up the state of a computer system.
A backup system or resource intended for use in an emergency.
A backup of data stored on a magnetic tape.
A contingency plan to be used if the original plan fails.
A secondary system that can take over if the primary system fails.
A duplicate of data, such as a file or disk, created for safekeeping.
A file that is a copy of another, for use if the original is lost or damaged.
A service that provides data backup and recovery.
A disk (like a hard drive or CD) containing backup data.
A singer who provides vocal harmony with the lead vocalist.
A magnetic tape used for storing data backups, often for long-term archival.
A substitute goalkeeper who plays if the main goalkeeper is unable to.
A secondary or supporting position.
A musician who plays in support of a lead musician or singer.
The act of providing vocal harmony; also known as backup vocals.
A secondary location or building used in case the primary one is unavailable.