3.1.21 Establish retention set size for backups

Information

The num_db_backups parameter specifies the number of backups to retain for a database before marking the oldest backup as deleted. It is recommended that this parameter be set to at least 12.

Solution

1. Connect to the DB2 database
db2 => connect to $DB2DATABASE user $USERNAME using $PASSWORD
2. Run the following command from the DB2 command window-
db2 => update database configuration using num_db_backups 12

See Also

https://workbench.cisecurity.org/files/162

Item Details

Category: CONTINGENCY PLANNING, SYSTEM AND INFORMATION INTEGRITY

References: 800-53|CP-9, 800-53|SI-12

Plugin: Unix

Control ID: 8604a203e367eb1b831372c93e5e4ff8d402a24b20feb5868138fc9ed8012298