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?

OK, I posted the drbd.conf on http://pastebin.com/SQe9YxhY

cibadmin -Q is on http://pastebin.com/gTZqsACq

The split brain logging is on http://pastebin.com/7unKKkdi .

Could this be some sort of timing issue? Manually things are find, but there are some seconds in between the primary promotions.

thx,

B.
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