On 10/08/11 00:25, Lars Ellenberg wrote:
On Fri, Oct 07, 2011 at 10:21:08PM +0200, Bart Coninckx wrote:
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 .

I somehow think you added some "--force" or "--overwrite-data-of-peer"
to some drbdadm/drbdsetup primary invocation?

Hi,

I re-created the metadata to start all over, and the

drbdadm -- --overwrite-data-of-peer primary r_test

command has to been done according to SLES docs for the initial sync.

So if that particular command is the problem, we either have faulty documentation or me wrongly interpreting the docs.


Which has your bet?

thx,

B.





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