Re: RAID versus 10,000 rpm?

"J. Clarke" <jclarke.usenet@xxxxxxxxxxxxxxxx> wrote in message news:dhgs1o02nmd@xxxxxxxxxxxxxxxxx
> John Doe wrote:
>
> > If I buy two 5400 or 7200 rpm hard disks, could they be used as the
> > main hard disk storage (for booting Windows XP Home) and be
> > configured to operate faster than one 10,000 rpm hard disk, on the
> > following mainboard?
> >
> > http://www.msicomputer.com/product/p_spec.asp?model=K7N2_Delta2-LSR
> >
> > Integrated SATA Phy, supporting up to 2 ports
> > One SATA controller, supporting two drives in master mode
> >
> > NV RAID (Software)
> > Supports 2 serial ATA plus 4 ATA 133 Drives

> > RAID 0, 1, 0+1, JBOD is supported
> > *Booting from RAID*

> > Cross controller RAID support
> > Rebuilding on the Fly
> > Spare Disk Allocation
> > Supports Windows 2000 and later versions
> >
> > Thank you.
>
> It seems to be Don Rickles Appreciation Day on the newsgroup--

And rightfully so when the trolls all gather on the same day.
It's just a happy price shoot.

And come off your high horse, you did the same on the MTBF question.

> you ask a perfectly reasonable question

Not if the answer is there, staring right in your face, supplied by the
troll himself.

> and get a bunch of smartass replies by people who only meet half that description.

Look in the mirror, Clarke, everyone knows John Doe is
the troll with that big sign on his head that says "Shoot me"
and goes around posting message headers all over the internet.

>
> Now, in answer to your question,

It wasn't a question, it was an obvious troll, as any 'smartass' and not so
smart 'ass' can see.

> the answer is "maybe but probably not".

On what part of the question was that, Clarke.

>
> Sequential transfer rate can be higher for the lower RPM disks if you get
> disks with higher areal density--7200 RPM drives seem to lead in that area.
>
> The problem is that you seldom get sustained sequential transfers, and when
> access time becomes a factor the higher RPM drive, with its lower latency,
> generally will be the better performer.
>
> RAID can gain you significant performance benefits _if_ your data patterns
> are such as to benefit from its use--generally speaking they aren't.
>
> If you only have two drives in the machine, you'd do better to use one for
> Windows and put the pagefile on the other. If boot time is the issue then
> use standby or hibernate instead of shutting down.
.

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