RE: What controls RMAN history size in controlfile?
Date: Tue, 29 Sep 2009 09:47:43 -0700
Control_file_record_keep_time only sets the time after which a record is eligible to be reused, it's not a setting for when it is automatically deleted. For example, you could run a backup today and then not run any other backups for 10 years, and when you checked 10 years from now, the backup you ran today would still be there in the controlfile even with the default setting of 7 days. It's only overwritten if needed. There are few known bugs for performance problems related to v$rman_status - just search for the view name on metalink.
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