[DRBD-user] examples of dual primary DRBD

Lars Ellenberg lars.ellenberg at linbit.com
Sat Oct 8 00:25:17 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 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?

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

: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com

More information about the drbd-user mailing list