[DRBD-user] DRBD MC - 3 or more hosts

Rasto Levrinc rasto.levrinc at linbit.com
Mon Jul 19 14:31:44 CEST 2010

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


On Thu, July 15, 2010 11:59 pm, Jamie L Sammons wrote:
> Hi all,
>
>
> I'm having problems with having 3 or more hosts in a cluster in the DRBD
> MC.  When I initially add the hosts and create the cluster everything
> works fine.  When I relaunch the console and try to connect to the
> cluster again it fails to connect to more than 2 hosts.   My CPU usage is
> very and VisualVM reveals that drbd.utilities.SSH.waitForConnection seems
> to be taking up the most resources.  I don't know if the problem is that
> it is trying to make a lot of SSH connections at once or what the deal
> is.

It's turned out, that the SSH library hangs if some timeouts are set. I've
uploaded dmctest-0.7.6.dev.2.jar with a workaround here:

http://oss.linbit.com/drbd-mc/

Thanks for reporting it.

Rasto

-- 
: Dipl-Ing Rastislav Levrinc
: DRBD-MC http://www.drbd.org/mc/management-console/





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