Re: to RAID5 or Mirror

Not too mention hot swapping, which means more to a business than performance.
(Generally, speaking, users dont notice milliseconds, but they do see downed disks)

"Fred White" <fred_at_justnospam.com> wrote in message news:8o8d8n$3jr$1_at_rena.mat.uc.pt...
>
> "Johnfrani" <johnfrani_at_aol.com> wrote in message
> news:20000825012103.19426.00000016_at_ng-fz1.aol.com...
> > We need to run Oracle 8.1 in an NT 4 environment on an HP Netserver with
 1gb
> > RAM, dual processors, dual controllers, and six 36gb drives. The
 application
> > is a police records management system and we want to maximize the input
 speed
> > rather than read speed.
> >
> > Is there any clear performance advantage between configuring in RAID 5
 vs
> > mirroring 2 sets of three 36gb drives?
> >
> > Thanks - John
>
> HI!
>
> If you use RAID 5 insted of RAID 1 you'll get:
> - more disk space
> - the same reading time
> - MORE writing time.
>
> So if you want to maximize input speed then looks like RAID 1 is better.
> With 6 drives you can make RAID 10 (1+0) with 3 strips (Raid 0) with pairs
> of drives in mirroring (Raid 1)
>
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>
>
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>
Received on Sat Aug 26 2000 - 07:41:43 CDT