I have 4 tape drives.....Oracle recommends not to exceed the number of
channels more then the number of your drives.

-dave




X

On Fri, 14 May 2004 smpt AT freemail DOT gr wrote:

>
> Try to use more channels. I use 10 to 30.
> >
>
>  Quick question,
> >
> > I have a netbackup client that is configured to use 4 rman channels on a
> > sdlt tape drive , normally the filesystem backup runs about 27-30 meg
> > a/sec
> > however, 4 rman channels  only runs 4/mb sec , what gives?
> >
> > I have setup the tape is slave true / and max files per set on the rman
> > rcv file, and some other tuning parameters, but can't seem to get the
> > channels to run faster than 4 /mb sec .
> >
> >
> >
> >
> > X
> >
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>
>
>
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