Re: Optimal configuration of Xiotech Magnitude for RMAN backups

Goran,

That's is a big problem with this array, we do not have *any* cache :(

We tried RAID5 and performance was horrendous.

On 11/8/06, goran bogdanovic <goran00_at_gmail.com> wrote:
>
> RAID 10 could be the way to go...but you get only 50% of total capacity.
> If you have storage cache (with write-back option) big enough, I would
> also test RAID5 if the backup time is acceptable for your needs and
> estimated future db growth.
>
> regards
> goran
>
> On 11/8/06, Jeffery Thomas <jeffthomas24_at_gmail.com> wrote:
> >
> > I know this is an older, slower array but it's all I have to use for
> > backing up a 500-GB test OLAP
> > database. My understanding is that the rated throughput is 75Mb/sec.
> > I'm running
> > Oracle 9.2.0.6 on Solaris 9, Sunfire v1280. I've been given 32 disks
> > in the array, roughly
> > 1 terrabyte, and have been asked how I wanted them configured. Due
> > to the slower speed
> > of the Magnitude, what would you suggest for configuring these
> > disks? One /backup
> > mount point, RAID 10, striped across all 32 disks?
> >
> > Thanks,
> > Jeff
> >
>
>

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