Re: Oracle9i - which RAID ??

Per-Arne Hellarvik wrote:

> I have always used 0+1, and never had any failures which was fatal.
> I believe RAID 5 is a lot of humbug....Use 0+1 and live happily ever
> after...
>
> PS. I use 0+1 on all from 1 Gb to 400+ Gb databases.
>
> On Thu, 27 Jun 2002 15:45:59 +0200, Wolfgang Blümlhuber wrote:
>
> > Hi,
> >
> > I'm using Oracle 8.05 on WinNT4.0 WS on DELL Workstation (300 MHz, 768
> > MB RAM
> > 3 SCSI Harddisks - no stripeset, no mirror, no RAID)
> >
> > Now I want to migrate to Oracle 9i on Win2k-Server on a DELL
> > PowerEdge6400 Machine
> > Perc3-RAID5 System with HotSpare (5+1) and 128 MB RAID-Cache.
> >
> > Oracle recommends to avoid RAID5 for DatabaseFiles and RedoLogFiles. On
> > our Database we mostly have long read and write transactions (approx.
> > 1/2 hour)
> >
> > What "RAID"-system can you recommend ? Do I have lost in performance if
> > I will use RAID 5 ? Or is the gain of performance marginal if using RAID
> > 0+1 (stripping + shadowing) which is recommended by Oracle ??
> >
> > My intention is to use RAID 5 because of protection against failures.
> >
> > Does anyone have experiances ???
> >
> > Thanks in advance.
> >
> > Wolfgang.

I agree. And so does most of the documentation I have seen Oracle published at technet.

Daniel Morgan Received on Thu Jun 27 2002 - 12:03:26 CDT