Re: Raid devices on NT

johnj_at_dbbasics.com wrote:
>
> Does anybody know the pros and cons of using RAID 5 devices on
> NT servers. I come from the old school of Oracle that says for
> best performance and recoverability, spread your datafiles and
> system files across as many disk as possible. The more the
> better. Well, now with Oracle residing on NT servers and using
> RAID 5, I am seeing setups that have one (1) disk that has the
> NT system on it, and then 5 disk setup in RAID 5. Basically
> the RAID 5 treats it as one big disk and the stripping across
> disk is handled by the operating system. And to top that
> the system disk are usually too small to even put the Oracle
> system files on that disk. I am left with putting ALL of Oracle
> on one big RAID 5 disk. Let me hear the pros and cons guys
> and gals. Post back here or e-mail to johnj_at_dbbasics.com.
> Thanks.
>
> John Jones
> DB Basiscs.com
> http:\\www.dbbasics.com

Hi,

my proposal:

keep NT-os, pagefile, oracle-sw, one group of online redo logs on one (mirrored) disk,
second group of online redo logs and archived redo logs on an other mirrored disk,
database files on RAID5, but for sake of consistency turn of write cache!

-- 
Regards

Matthias Gresz    :-)