If you want performance, maybe you can set up a DSU and duplicate it to the
tape pool.
Set the DSU concurrent to more than 1. The duplication will go from local
disk to tape so it's faster.

"jack" wrote:
>
>Hi,
>I am using Netbackup 6.0MP3, I want each backup policy to use its own tapes,
>that means one tape is only used for one policy other than multiple policies.
>I setup media pool for each policy. But I also want the backup use the tape
>media one by one, that means, write the backup to another tape until the
>previous one is full. How to make this happen?
>If I setup the max concurrent write drive to 1, the tape writing become
sequential,
>but It affect the performance? Is there any good solutions?
>
>Thanks,
>
>Jack
>