[CentOS] Write performance with 3ware 9550
Joshua Baker-LePain
jlb17 at duke.edu
Fri Oct 13 10:50:14 UTC 2006
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
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