On 13-Feb-08, at 5:02 AM, Tore Halset wrote:
> Hello.
>
> I think I started that discussion. We ended up buying a Dell 2900
> with PERC 6/i and 10 * 145GB SAS 3,5" 15KRpm discs. 6 of the SAS
> discs are in a raid 10 for the database, 2 in a mirror for the wal
> and the last 2 in a mirror for the OS. We get 350MB/s writing and
> 380MB/s reading to/from the raid 10 area using dd. The OS is Ubuntu
> and the filesystem for the raid 10 is ext3.
>
Wow that's fantastic. Just to be sure, did you make sure that you read
and wrote 2x memory to take the cache out of the measurement ?
Dave