there is no retention period to purge or delete backup files after n days

there is no retention period to purge or delete backup files after n days.

issue: we are configuring backup service nodes with NFS 10 TB capacity. we are using that on daily basis. but we dont have retention period to remove backups (full/incremental) older than n days to hold new backups same repo. time being 10 TB is getting filled but there is no automation in backup services to perform this type of activity.