----- Mail original ----- > De: "Digimer" <lists@xxxxxxxxxx> > À: "linux clustering" <linux-cluster@xxxxxxxxxx> > Cc: "GouNiNi" <gounini.geekarea@xxxxxxxxx> > Envoyé: Lundi 30 Juillet 2012 17:10:10 > Objet: Re: Quorum device brain the cluster when master lose network > > On 07/30/2012 10:43 AM, GouNiNi wrote: > > Hello, > > > > I did some tests on 4 nodes cluster with quorum device and I find a > > bad situation with one test, so I need your knowledges to correct > > my configuration. > > > > Configuation: > > 4 nodes, all vote for 1 > > quorum device vote for 1 (to hold services with minimum 2 nodes up) > > cman expected votes 5 > > > > Situation: > > I shut down network on 2 nodes, one of them is master. > > > > Observation: > > Fencing of one node (the master)... Quorum device Offline, Quorum > > disolved ! Services stopped. > > Fenced node reboot, cluster is quorate, 2nd offline node is fenced. > > Services restart. > > 2nd node offline reboot. > > > > My cluster is not quorate for 8 min (very long hardware boot :-) > > and my services were offline. > > > > Do you know how to prevent this situation? > > > > Regards, > > Please tell us the name and version of the cluster software you are > using, Please also share your configuration file(s). > > -- > Digimer > Papers and Projects: https://alteeve.com > Sorry, RHEL5.6 64bits # rpm -q cman rgmanager cman-2.0.115-68.el5 rgmanager-2.0.52-9.el5 <?xml version="1.0"?> <cluster alias="cluname" config_version="144" name="cluname"> <clusternodes> <clusternode name="node1" nodeid="1" votes="1"> <fence> <method name="single"> <device name="fenceIBM_307" port="12"/> </method> </fence> </clusternode> <clusternode name="node2" nodeid="2" votes="1"> <fence> <method name="single"> <device name="fenceIBM_307" port="11"/> </method> </fence> </clusternode> <clusternode name="node3" nodeid="3" votes="1"> <fence> <method name="single"> <device name="fenceIBM_308" port="6"/> </method> </fence> </clusternode> <clusternode name="node4" nodeid="4" votes="1"> <fence> <method name="single"> <device name="fenceIBM_308" port="7"/> </method> </fence> </clusternode> </clusternodes> <fencedevices> <fencedevice agent="fence_bladecenter" ipaddr="XX.XX.XX.XX" login="xxxx" name="fenceIBM_307" passwd="yyyy"/> <fencedevice agent="fence_bladecenter" ipaddr="YY.YY.YY.YY" login="xxxx" name="fenceIBM_308" passwd="yyyy"/> </fencedevices> <rm log_level="7"> <failoverdomains/> <resources/> <service ...> <...> </service> </rm> <fence_daemon clean_start="0" post_fail_delay="15" post_join_delay="300"/> <cman expected_votes="5"> <multicast addr="ZZ.ZZ.ZZ.ZZ"/> </cman> <quorumd interval="7" label="quorum" tko="12" votes="1"/> </cluster> -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster