Dear experts,
At our company we are performing backups to disk via RMAN. All good, BUT our server, which holds the backups
and the archivelogs is constantly running out of space. According to the company's policies, the retention period
is 14 days, all the backups and archivelogs older than that, can be carelessly deleted. Hence, I have the following
2 questions:
1) I found the following 2 parameter in init<SID>.sap:
# retention period in days for archive log files saved on disk
# default: 30
# cleanup_disk_archive = 30
# retention period in days for database files backed up on disk
# default: 30
# cleanup_disk_backup = 30
Are those the correct parameters ?
2) How is this functionality implemented ? Do brbackup and brarchive only overwrite backups / archivelogs older
than the value specified. Or they are searching for everything older than the retention period in the backup destination
and then purge it... ?
I am asking this question, because we have old backups before and after SAP upgrade and it would be very bad,
if those backups get purged when setting those parameter(s).
Many thanks for your answer(s)!!