You could do something like this

Put the database in backup mode
split a BCV of
Take the database out of backup mode
Mount the BCV on media server
Run a file backup of the mounted BCV
dismount BCV

Of cause every backup will be a full backup

I assume you have looked into incremental with RMAN

Regards
Michael

On Tue, 10 Oct 2006 14:38:38 -0700, Nardello, John wrote
> Does anyone have some suggestions for backing up larger Oracle RAC
> instances, where across-the-wire backups will not be fast enough to
> complete a backup within the window ? 
> We are _really_ trying to avoid deploying a Media Server with Oracle
> running on it just to mount up BCVs of these databases, but we're not
> sure what other options we actually have.
> 
> Any thoughts ? 
> - John Nardello
> 
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