Backup and recovery

Following, there are four utilities supported within Db2 to facilitate backing up and restoring a database:

• The backup utility
• The restore utility
• The roll-forward utility
• The recover utility

The Db2 backup utility

The backup utility is used to create images outside the database that can be used to recover the entire database or a portion of it. If the database is an archive logging enabled database, the backup utility can be executed online with multiple concurrent applications connected to the database. The backup utility uses the utility heap to copy the data from the table spaces to the backup image. The utility heap can be controlled via the database configuration parameter UTIL_HEAP_SZ.

The backup...