Bill Davidsen | 1 Mar 2008 21:07

Re: 2x6 or 3x4 raid10 arrays ?

Janek Kozicki wrote:
> Janek Kozicki said:     (by the date of Thu, 28 Feb 2008 19:25:00 +0100)
>
> sorry about replying to myself.
>
> * two 6 disks raid10 arrays : theoretical max speed 6 times single disc
> * three 4 disks raid10 arrays : theoretical max speed 4 times single disc
> * single raid10 far=2  : theoretical max speed 12 times single disc (!)
>
> isn't that true?
>
>   
True for throughput, not for seek. Also, what I have seen and read 
indicates that smaller chunks help a lot for database with lots of seeks.

--

-- 
Bill Davidsen <davidsen <at> tmr.com>
  "Woe unto the statesman who makes war without a reason that will still
  be valid when the war is over..." Otto von Bismark 

--
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo <at> vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html


Gmane