Working with backup sets : IBM DB2 database backup sets (Linux) : Creating an IBM DB2 database backup set : Specifying backup set options
 
Specifying backup set options
In the Specify backup set options screen, retain the default settings unless there are specific backup set requirements, and click Next.
Prune History / Logfile: Delete entries from the history file or log files from the active log path.
Online Backup
To perform Offline DB2 backup, clear this option. During an offline backup, applications cannot connect to the database.
To perform Online DB2 backup, select this option. An online backup allows applications to connect to the database and read and write to tables during database backup. Log retain or userexit must be enabled for an online backup.
For details on these options, see the online help for the screen.