[DRBD-user] examples of dual primary DRBD

Bart Coninckx bart.coninckx at telenet.be
Fri Oct 7 20:42:16 CEST 2011

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

On 10/06/11 22:03, Florian Haas wrote:
> On 2011-10-06 21:43, Bart Coninckx wrote:
>> Hi all,
>> would you mind sending me examples of your crm config for a dual primary
>> DRBD resource?
>> I used the one on
>> http://www.drbd.org/users-guide/s-ocfs2-pacemaker.html
>> and on
>> http://www.clusterlabs.org/wiki/Dual_Primary_DRBD_%2B_OCFS2
>> and they both result into split brain, except for when I start drbd
>> manually first.
> They clearly should not. Rather than soliciting other people's
> configurations and then try to adapt yours based on that, why don't you
> upload _your_ CIB (not just a "crm configure dump", but a full "cibadmin
> -Q") and your DRBD configuration to your pastebin/pastie/fpaste and let
> people tell you where your problem is?

okido, will do.

>> One difference I noticed is that some have "become-primary-on both;" in
>> drbd.conf, but this did not seem to help either.
> That setting is only evaluated by the drbd init script, which you're
> probably not using as it's not required (nor beneficial) in a Pacemaker
> cluster.

ok, thank you, will get rid of it.

>> This is on SLES11SP1 by the way.
> And what did SUSE support have to say about this?

I prefer not to bother Novell (although I could with the 60-day trial 
period) until the real subscription has been done and payed. I'm still 
in the process of convincing people to do so. Unfortunately the decision 
is not mine.

> Cheers,
> Florian

Thx Florian,


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