[Pacemaker] Resync too slow! Cat /proc/drbd shows 240k/s

Alisson Landim landim4 at hotmail.com
Mon Sep 6 08:23:24 UTC 2010


That is it!

Thank you a lot Dan! 

Date: Mon, 6 Sep 2010 10:27:32 +0300
From: dfrincu at streamwide.ro
To: pacemaker at oss.clusterlabs.org
Subject: Re: [Pacemaker] Resync too slow! Cat /proc/drbd shows 240k/s






  
  Message body


Alisson Landim wrote:

  Hi.

  

After setup a 2 node cluster from cluster from scratch guide using
Fedora 13 i saw that resync of data is too slow.

Cat /proc/drbd shows 240k/s

If you look at the cluster from scratch guide here:

  

http://www.clusterlabs.org/doc/en-US/Pacemaker/1.1/html/Clusters_from_Scratch/ch07s02s03.html

  

you can see that the speed of this example is 240k too.

  

How to increase this speed?


Check /etc/drbd.conf for the  rate parameter. On a Gigabit Ethernet I
use 40M.

    syncer {

        rate 40M;

    }



See more here:

http://www.drbd.org/users-guide/s-configure-syncer-rate.html



Regards,



Dan.


  
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-- 
Dan FRINCU
Systems Engineer
CCNA, RHCE
Streamwide Romania




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