I believe you have to set "Maximum MPX per drive" in your schedules to 1.

/Steve
---
On Thu, 12 Dec 2002, Russell, Alan wrote:

> 
> 
>    One of our DBAs is trying to configure a RMAN jobto backup to multiple
> tapes. Instead the job appears to write to only a single tape rather than
> multiples concurrently.
>   Is this feature done soewhere within in the RMAN script or a setting in
> the oracle class or tape library setup?
>   Had this working correctly in Legato Networker but no luck so far in
> Netbackup. Version is 3.4.
> 
> 
>  TIA. 
>     
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