I have a production cluster, using two vm on esx cluster, for stonith i'm using sbd, everything work fine
2013/3/25 emmanuel segura <emi2f...@gmail.com> > I have a production cluster, using two vm on esx cluster, for stonith i'm > using sbd, everything work find > > 2013/3/25 Angel L. Mateo <ama...@um.es> > >> Hello, >> >> I am newbie with pacemaker (and, generally, with ha clusters). I >> have configured a two nodes cluster. Both nodes are virtual machines >> (vmware esx) and use a shared storage (provided by a SAN, although access >> to the SAN is from esx infrastructure and VM consider it as scsi disk). I >> have configured clvm so logical volumes are only active in one of the nodes. >> >> Now I need some help with the stonith configuration to avoid data >> corrumption. Since I'm using ESX virtual machines, I think I won't have any >> problem using external/vcenter stonith plugin to shutdown virtual machines. >> >> My problem is how to avoid split brain situation with this >> configuration, without configuring a 3rd node. I have read about quorum >> disks, external/sbd stonith plugin and other references, but I'm too >> confused with all this. >> >> For example, [1] mention techniques to improve quorum with scsi >> reserve or quorum daemon, but it didn't point to how to do this pacemaker. >> Or [2] talks about external/sbd. >> >> Any help? >> >> PS: I have attached my corosync.conf and crm configure show outputs >> >> [1] http://techthoughts.typepad.**com/managing_computers/2007/** >> 10/split-brain-quo.html<http://techthoughts.typepad.com/managing_computers/2007/10/split-brain-quo.html> >> [2] >> http://www.gossamer-threads.**com/lists/linuxha/pacemaker/**78887<http://www.gossamer-threads.com/lists/linuxha/pacemaker/78887> >> >> -- >> Angel L. Mateo Martínez >> Sección de Telemática >> Área de Tecnologías de la Información >> y las Comunicaciones Aplicadas (ATICA) >> http://www.um.es/atica >> Tfo: 868889150 >> Fax: 868888337 >> >> _______________________________________________ >> Pacemaker mailing list: Pacemaker@oss.clusterlabs.org >> http://oss.clusterlabs.org/mailman/listinfo/pacemaker >> >> Project Home: http://www.clusterlabs.org >> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf >> Bugs: http://bugs.clusterlabs.org >> >> > > > -- > esta es mi vida e me la vivo hasta que dios quiera -- esta es mi vida e me la vivo hasta que dios quiera
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