Am Donnerstag, 10. September 2009 19:25:53 schrieb Lars Ellenberg: > On Thu, Sep 10, 2009 at 05:10:39PM +0200, Michael Schwartzkopff wrote: > > Hi, > > > > I configured a dual master DRBD-8.3.2. When the nodes stat there is no > > problem. Both DRBD become master. But when I set on node to standby and > > wake it up again, the DRBD on that node stays secondary and does not > > become master. > > > > My config: > > primitive resDRBD ocf:linbit:drbd params drbd_resource="r0" > > ms msDRBD resDRBD meta notify="true" master-max="2" > > > > No further constraints. > > > > When the second node is online again ptest -sL shows: > > (...) > > resDRBD:0 promotion score on suse2: 50 > > resDRBD:1 promotion scpre on suse1: -1 > > > > Since the "-1" prevents the resource from beein promoted, I understand > > the behaviour of the cluster, but why isn't the resource beeing allowed > > th become master on that node? > > > > Thanks for any enlightenting answers. > > Most likely it prevents you from shoting yourself in the foot ;) > > look at /proc/drbd and the kernel logs (appart from the ha.log, of > course) on the drbd nodes to find out more. > I bet you manoevered yourself into diverging data sets (aka DRBD "split > brain"). > > If it turns out to be a drbd.ocf bug, > let me know.
Hi, another confusing fact: The primitive DRBD was created without a monitor operation. When I add a monitor operation, better two (Master,Slave) the described problem goes away. But in my understanding the complete setup should work as expected WITHOUT the monitoring operation. -- Dr. Michael Schwartzkopff MultiNET Services GmbH Addresse: Bretonischer Ring 7; 85630 Grasbrunn; Germany Tel: +49 - 89 - 45 69 11 0 Fax: +49 - 89 - 45 69 11 21 mob: +49 - 174 - 343 28 75 mail: mi...@multinet.de web: www.multinet.de Sitz der Gesellschaft: 85630 Grasbrunn Registergericht: Amtsgericht München HRB 114375 Geschäftsführer: Günter Jurgeneit, Hubert Martens --- PGP Fingerprint: F919 3919 FF12 ED5A 2801 DEA6 AA77 57A4 EDD8 979B Skype: misch42 _______________________________________________ Pacemaker mailing list Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker
