Database Backup and Recovery (MOSC)

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Configure RMAN to only write X bytes to a given channel?

edited Aug 24, 2015 10:47AM in Database Backup and Recovery (MOSC) 4 commentsAnswered ✓

We currently have 1 scenario where we're backing up a large database to multiple disks of different sizes, using HOT backup.  I'd like to migrate this RMAN, someday.

For ease of discussion, assume the following:

   DB size:  100G

   Backup Disk 1:  20G

   Backup Disk 2:  80G

We back up the DB every day simply over-writing the previous backup.  The backup disks are mirrored/snapped by the Unix team to another disk area for long term retention.  So while this looks kludgy, it is the current architecture.

Is there a way to configure disk channels to tell RMAN to write a maximum of X bytes to a given channel/disk?

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