io and cpu on database server
- From: "Patterson, Joel" <Joel.Patterson@xxxxxxxxxxx>
- To: oracle-l <oracle-l@xxxxxxxxxxxxx>
- Date: Wed, 5 Sep 2012 13:29:59 -0400
Say you are backing up your database to another piece of hardware (that does
its own compression).
Would there be any IO reflected on the database server (where the datafiles
reside) when executing any of the following RMAN maintenance or validation
commands?
delete noprompt expired backup;
delete noprompt expired archivelog all;
delete noprompt expired copy;
delete noprompt obsolete;
list backup;
list archivelog all;
restore database validate check logical;
restore validate controlfile;
restore validate spfile;
Sometimes I believe DBOptimizer is picking up system io possibly related to
these commands.
Joel Patterson
Database Administrator
904 727-2546
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