rman parallel processes
- From: Joe Smith <joe_dba@xxxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Wed, 19 Dec 2007 09:26:54 -0600
Does it make any sense to run 4 processes for a rman full database backup when
you have configured only 1 default channel?
The channel is a disk and the backup files are all going to that same disk.
CONFIGURE DEVICE TYPE DISK PARALLELISM 4; # default
CONFIGURE CHANNEL 1 DEVICE TYPE DISK FORMAT
'/u01/backup/oracle_sid/bu.d%d.t%t.s%s.p%p' MAXPIECESIZE 1 G;
Is this going to run faster or the fact of a single disk will slow it down?
thanks.
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