Re: raid level

From: Julio <julio.negueruela_at_si.unirioja.es>
Date: Thu, 23 Jul 1998 10:37:35 +0200
Message-ID: <35B6F64F.8EF5756F@si.unirioja.es>

In addition to what MotoX wrote:

MotoX escribió:
> =

> Gijs Wuyts wrote in message <35b4978f.3064156_at_news.skynet.be>...
> > I'm about to decide on a Oracle DB server, with 5-10 webclient
> >connections.
> >
> >What would be the best solution, RAID 5 is too slow,
> =

> Is it? Have you tested it?
> =

> RAID5 can be much slower on *writes*, but is usually as good as striped=

> disks on *reads*. The fault-tolerance is good for relatively low cost. =
Do a
> bit of testing, as all systems are different. You might find you can li=
ve
> quite happily with RAID5. If not, pull some of the heavily written sect=
ions
> of your system off on to mirrored drives - redo, temp, etc., and you st=
ill
> might find RAID5 suitable.

WHat I've got is the index tablespaces in a separated disk (RAID 0) because they're easy to rebuild and 1/3 of rollback segments in a tablespace in this disk too.

Hope this help.
-- =

Julio Negueruela
DBA Servicio Informático

Universidad de La Rioja      -      Spain
Telf: 941-299179     Fax: 941- 299180

mailto:julio.negueruela_at_si.unirioja.es Received on Thu Jul 23 1998 - 03:37:35 CDT