Re: more 10K disks or less 15K disks

I forgot to add that the 24 10K disks are 2.5 inch and the 12 15K
disks are 3.5 inch

On Wed, Apr 28, 2010 at 11:27 AM, Anj Adu  wrote:
> I am faced with a  hardware choice for a postgres data warehouse
> (extremely high volume inserts..over 200 million records a day) with a
> total storage of either
>
> 12 x 600G disks (15K)  (the new Dell Poweredge C server)
>
> or
>
> 24 x 600G  (10K disks)
>
> ALL direct attached storage.
>
> I am leaning toward the 24 disks as I expect the higher number of
> disks to provide overall better performance under high loads
>
> Does anyone have any experience with a mixed 10K / 15K DAS storage
> that you can share.
>
> Thank you
>
> Sriram
>