[CentOS] Write performance with 3ware 9550

On Thu, 12 Oct 2006 at 7:58pm, Bowie Bailey wrote

> With NCQ off, I get these results:
>
> Version  1.03       ------Sequential Output------ --Sequential Input-
> --Random-
>                    -Per Chr- --Block-- -Rewrite- -Per Chr- --Block--
> --Seeks--
> Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP  /sec
> %CP
> Second          50G           20853   8 41899  11           192713  23 116.9
> 1
>
> Write performance increased by 2M/s and read performance decreased by 2M/s.
>
> What tweaks have you applied so far?  I would expect a 4-drive array
> to be slower than an 8-drive array, but not this much!

What's your StorSave profile set to?

-- 
Joshua Baker-LePain
Department of Biomedical Engineering
Duke University