[Veritas-bu] Backup using more than one tape drive.
2001-02-13 15:02:16
Ted,
You are mixing up multiplexing with multistreaming..
multiplexing is taking several different clients and having them back up
to a single tape drive..
multistreaming is what you want where a single client can backup to
multiple tape drives..
On Tue, 13 Feb 2001, Edward W. Carr wrote:
> Hi All, my question is in two parts ...
>
> 1) I am trying to backup a 500+ gig ORACLE database to my StorageTek L700
> tape library using more than one tape drive! The library has 6 fibre 9840
> tape drives. I have run a backup once but it only utilized one tape drive
> and it took 26 hours! I am wondering if there is a way to make it use all 6
> drives in the library for the backup. The machine that will be backing up
> the database is a media server (not the master) and is connected directly to
> the fibre network. I am using NetBackup to run the backup (Standard Class)
> not RMAN. Both the Job and NetBackup have a maximum multiplex of 8.
>
> 2) Our Oracle Admin was trying to use RMAN to push a "HOT" Backup of the
> same database and told rman to utilize 5 of the six tape drives, but it was
> only using 1 for some reason! Should I have the Media Multiplexing set to 1
> on the ORACLE Class backup? Any help with this would be appreciated!
>
> Thanks
>
> Ted Carr
>
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