RE: Duplicate function is a lot longer than a backup

From: Jeffrey Beckstrom <JBECKSTROM_at_gcrta.org>
Date: Mon, 30 Nov 2009 13:51:59 -0500
Message-Id: <4B13CE07.3406.000B.0_at_gcrta.org>



We have one channel configured.  

Backups are on disk.  

Servers are identical.  

Compression is being used for the backups.  

Jeffrey Beckstrom
Database Administrator
Greater Cleveland Regional Transit Authority 1240 W. 6th Street
Cleveland, Ohio 44113

>>> "Allen, Brandon" <Brandon.Allen_at_OneNeck.com> 11/30/09 1:37 PM >>>

A few questions come to mind:  

Are you backing up to disk or tape?  

What degree of parallelism (i.e. how many concurrent channels) for both the backup and the restore/duplicate?  

Is the disk or CPU significantly slower on the target server?  

Are you using compression?  

Regards,
Brandon  

Privileged/Confidential Information may be contained in this message or attachments hereto. Please advise immediately if you or your employer do not consent to Internet email for messages of this kind. Opinions, conclusions and other information in this message that do not relate to the official business of this company shall be understood as neither given nor endorsed by it.

--
http://www.freelists.org/webpage/oracle-l
Received on Mon Nov 30 2009 - 12:51:59 CST

Original text of this message