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its little different for TSM database retension, if you use tape to backup database, this tape doen't come to scratch until you run 'delete volhistory' command.
Assume you are running database backup daily and its going to tape, and you are also running 'delete volhistory' command which is deleting volumes which are used for database backup older than 5 day. it means you are keeping 5 versions of TSM database.
This can be fine only if you do not use DRM.
If DRM is in use, fuzzballer post is true.
Depends. Even if you are use DRM, it´s recommended that use both of methods to backup database.
To control retention for DRM (offsite Database Backup) - Set DRMDBBackupexpiredays 3
To control retention for (Onsite Database Backup) - del volhist todate=today-5 t=dbb
The deletion it´s different because Offsite Database Backup have type=dbs and Onsite Database Backup have type=dbb
Regards,
yes, you can run a admin schedule or by a script.is possible to do administrator schedule for "To control retention for (Onsite Database Backup) - del volhist todate=today-5 t=dbb" ?
yes this would be fine.then can i create like this or do i need to add some other steps
define schedule DB_expire type=administrative cmd="del volhist todate=today-5 t=dbb" active=yes description="DB Expire" dayofweek=any starttime=10:00 startdate=today