Re: Q: Is RAID/striping good with Oracle???

Vince Cross wrote:
>
> Bruce Pihlamae wrote:
> >
> > Striping is what we call RAID1.
> >
> (lots of lines deleted)
>
> No. Striping is RAID 0. RAID 1 is mirroring.
>
> >
> > RAID5 is NOT A PERFORMANCE option. RAID5 with LOTS of disk cache is ok but you
> > hit the scsi overload problem.
> >
> > RAID0+1 will give more flexibility, better performance and as good reliability.
> >
>
> Correct. If your system is so critical that it requires 24x7 access,
> then the extra expense of RAID 0+1 shouldn't be too hard to justify. If
> you don't require 24x7 access and can't afford RAID 0+1, then just use
> RAID 0 (pure striping) and let Oracle mirror the redo logs. Unless you
> don't care or don't need good write performance in which case you might
> still want to look at RAID 5.
>
> Vince

Raid 0 Works fine for us and the question that I have is a follow up to this topic

is there a particular way that I can arrange the rollbacks, redologs and mirrored redo logs to reduce the file i/o bottlenecks on a raid 0.

Thanks

uday
bikkasan_at_ag-data.com Received on Fri Aug 23 1996 - 00:00:00 CEST