[Eug-lug] Slow RAID0

[Mr O]

Run hdparm on /dev/hde and /dev/hdg seperately and make sure
each drive is set up right. Then bench /dev/md0 again if you
make any changes. Could be the cheap controller too. 



--- Linux Rocks! <linux at rocksolidnetworks.com> wrote:

> heres the hdparm info:
> root at media:~# hdparm -Tt /dev/hda
> 
> /dev/hda:
>  Timing buffer-cache reads:   2928 MB in  2.00 seconds =
> 1463.49 MB/sec
>  Timing buffered disk reads:  170 MB in  3.01 seconds =  56.41
> MB/sec
> 
> 
> /dev/md0:
>  Timing buffer-cache reads:   3288 MB in  2.00 seconds =
> 1643.43 MB/sec
>  Timing buffered disk reads:  150 MB in  3.01 seconds =  49.91
> MB/sec
> 
> 
> So, at this point, It looks like my raid is sucking. Id get
> better performance 
> as regular single drives than I am with this raid setup.
> 
> any ideas on how I can get this working right?
> Jamie
> 



		
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