no cluster config, no logs :(
2014-01-28 Demetres Pantermalis <dp...@intracom-telecom.com> > Hello. > > We have a strange situation with rgmanager on a two node > (active/passive) cluster, on physical servers. > Nodes are N1 and N2. > Out investigation is to simulate how the cluster will react after a > kernel panic of the active node. > Kernel panic is "simulated" with echo b > /proc/sysrq-trigger > Fence agent used: fence_scsi > Common storage is: EMC (with powerPath installed on both nodes) > > The scenarios are: > S1. Active node is N1 passive mode is N2 > After kernel panic of N1, the N2 resumes the services previously run on > N1 (Expected behavior). > N1 re-boots and after a while re-joins the cluster. (Expected behavior) > > S2. Now, active node is N2. > We perform a kernel panic on N2. N1 resumes (correctly) the services > previously run on N2. > After the reboot of N2, cman starts OK (with all other processes), as > well as clvmd. > But the rgmanager process seems to hang and in 'ps' it appears three > times (the normal is two). > The logs from N2 show: > rgmanager[4985]: I am node #2 > rgmanager[4985]: Resource Group Manager Starting > rgmanager[4985]: Loading Service Data > > ps -ef | grep rgmanager > root 4983 1 0 15:19 ? 00:00:00 rgmanager > root 4985 4983 0 15:19 ? 00:00:00 rgmanager > root 5118 4985 0 15:19 ? 00:00:00 rgmanager > > Versions: > rgmanager-3.0.12.1-19.el6.x86_64 > cman-3.0.12.1-59.el6.x86_64 > corosync-1.4.1-17.el6.x86_64 > fence-agents-3.1.5-35.el6.x86_64 > clusterlib-3.0.12.1-59.el6.x86_64 > lvm2-cluster-2.02.87-6.el6.x86_64 > > > Any help appreciated. > Demetres. > > > > -- > Linux-cluster mailing list > Linux-cluster@redhat.com > https://www.redhat.com/mailman/listinfo/linux-cluster > -- esta es mi vida e me la vivo hasta que dios quiera
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