Re: Hard drive question
From: Mal Osborne (malcolmo_at_silverfern.com.au)
Date: 10/18/04
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Date: Mon, 18 Oct 2004 22:20:05 +0800
Maybe.
Free space also can make a big performace differance. If you had 100G of
data, on the 108Gb array, performance would be waaaay slower than 100G on a
146Gb array. NTFS fragments & starts storing data in the MFT when space is
limited, & slows down big time. I always try to keep 20% free on any
server.
Mal Osborne
MCSE MVP Mensa
"Lanwench [MVP - Exchange]"
<lanwench@heybuddy.donotsendme.unsolicitedmail.atyahoo.com> wrote in message
news:uMUM6itsEHA.1180@TK2MSFTNGP10.phx.gbl...
> Dave Nickason [SBS MVP] wrote:
>> More drives is theoretically faster, but I doubt you'll notice it in
>> an SBS-sized network. Those 15K drives are so fast anyway, the
>> difference is not likely to be noticeable unless you're moving huge
>> amounts of data.
>>
>> Please consider a hot spare drive, even if you add it later. I have
>> 3 Dell servers, and each of them has had a drive fail within about
>> the last 6 months (including one 5-month-old server). Because drives
>> only fail during your company's biggest project ever, or the day
>> before your vacation, a hot spare will add some valuable extra
>> redundancy.
>>
>> (By the way, adding a hot spare later may be cheaper, but it'll
>> definitely be easier configuration-wise. Dell has a tough time with
>> RAID configurations other than those listed as a choice on the web
>> site, although they will do them on request. Order the drive with
>> the server, and it'll be covered on the server's warranty. Then
>> install it yourself. Don't forget to order the carrier and screws
>> too).
>
> For what it's worth, I always reconfigure the RAID & reinstall servers
> myself anyway - and recommend that others do the same. That way you really
> know what you're getting.
>
> I absolutely agree with the hot spare idea. More spindles=better
> performance
> IIRC, so doing 4 36GB with another as a hotspare is better than 3 73GB...
>>
>>
>> "Ascnet" <gage@keepyourspamknightinsurancethankyou.com> wrote in
>> message news:O2zBrGssEHA.3200@TK2MSFTNGP14.phx.gbl...
>>> I'm ordering a Dell server for my SBS installation and have a toss
>>> up. I'm
>>> going with SCSI drives in a RAID 5 config but have a delima with
>>> number of drives and drive size. Cost is equal between 4 36GB 15K
>>> drives or 3 73GB 15K drives. I realize the 73GB solution should
>>> provide an extra 38GB of storage. Is there a performance difference
>>> between three large drives and four smaller drives? It seems having
>>> more drives would be slightly better (extra read/write head).
>>> Thoughts?
>
>
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