Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On 10/08/11 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? > >> Could this be some sort of timing issue? Manually things are find, >> but there are some seconds in between the primary promotions. > OK, seems to be some sort of timing issue. I "fixed" this by adding a "sleep 1" in the RA right before the "do_drbdadm primary $DRBD_RESOURCE" line. I'm surprised though that I'm the first one to run into this. B.