Backup Operations
While backups tend to run in an automated fashion, a surprising amount of detail is involved in day-to-day backup operations. This section discusses three related topics: the concept of the backup window, commonly used automated backup operations, and hot backups, including copy-on-write technology.
The Backup Window
The backup window is the amount of time available for performing backup operations that do not interfere with production data processing operations on any given day. An assumption that is made with the concept of the backup window is that systems will not be processing applications and updating data while the backup is running. A backup that runs when applications are not is referred to as cold backup.
The backup ...
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