[DRBD-user] Disk I/O direct vs. Drbd

Bart Coninckx bart.coninckx at telenet.be
Fri Aug 13 10:47:49 CEST 2010


On Friday 13 August 2010 10:42:13 roberto.fastec at gmail.com wrote:
> In my linux system, I/O expecially write speed is 90MB/sec
> 
> Installing drbd makes it slow to 30MB/sec.
> 
> I suppose that drbd tracking and logs processes are obviously write and
>  read consumers.
> 
> My question is if you confirm that this ratio 90MB/sec that slows  to 30 is
>  to be considered as expected with drbd in between.
> 
> The configuration of both the pcs is 1 sata drive for linux and 1 sata
>  drive for drbd.
> 
> Please also note that I have not set any value for al-extents.
> 
> Thank you
> Robert
> Le mail ti raggiungono ovunque con BlackBerry® from Vodafone!
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That is way too slow. What is your network situation in between the two?  


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