Re: RAID Suggestions

From: Jared Hecker <jhecker_at_iago.nac.net>
Date: Tue, 15 Jun 1999 17:48:21 GMT
Message-ID: <Flw93.10$Sd7.187@nntp1>

RAID 10 is best for databases. It provides a striped, mirrored array (RAID0 is a mirror, RAID1 is striping. RAID 10 is RAID1+RAID0). Do it at the hardware level! - since one does this for performance as much as for reliability.

hth -

Regards,
jh

In comp.databases.oracle.server Julio Negueruela <julio.negueruela_at_si.unirioja.es> wrote:
> rspeaker_at_my-deja.com escribi?:
>
> > I have heard tales that RAID 5 is bad for Oracle ... is this true?
> >
> > Are there certain things that should or should not be included in the
> > RAID arrays?

> My personal experience: RAID 5 is not good for databases with a long
> number of transactions. If this is not your scenario it's a reasonable
> way of implementing. Anyway, I strongly recommend you to allocate the
> online and archive logs, index tablespaces and may be too the temp
> tablespaces in separated disks (RAID 1 for indexes and 0 for temp, for
> example)

> Hope this help.
> --
> Julio Negueruela
> DBA Servicio Inform?tico
> Universidad de La Rioja - Spain
> Telf: 941-299179 Fax: 941- 299180
> mailto:julio.negueruela_at_si.unirioja.es

Jared Hecker	| HWA Inc. - Oracle architecture and Administration
jared_at_hwai.com	|  ** serving NYC and New Jersey **

Received on Tue Jun 15 1999 - 12:48:21 CDT