Re: 8x2.5" or 6x3.5" disks - Mailing list pgsql-performance

From Arjen van der Meijden
Subject Re: 8x2.5" or 6x3.5" disks
Date
Msg-id 479E3AE5.20600@tweakers.net
Whole thread Raw
In response to 8x2.5" or 6x3.5" disks  ("Christian Nicolaisen" <blackbrrd@gmail.com>)
Responses Re: 8x2.5" or 6x3.5" disks  (david@lang.hm)
List pgsql-performance
On 28-1-2008 20:25 Christian Nicolaisen wrote:
> So, my question is: should I go for the 2.5" disk setup or 3.5" disk
> setup, and does the raid setup in either case look correct?

Afaik they are about equal in speed. With the smaller ones being a bit
faster in random access and the larger ones a bit faster for sequential
reads/writes.

My guess is that the 8x 2.5" configuration will be faster than the 6x
3.5", even if the 3.5"-drives happen to be faster they probably aren't
50% faster... So since you don't need the larger storage capacities that
3.5" offer, I'd go with the 8x 2.5"-setup.

Best regards,

Arjen

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