if you have in you cluster vg exclusive="yes" and remember it's good idea have stonith configured
Il giorno 22 marzo 2012 15:52, Lentes, Bernd < bernd.len...@helmholtz-muenchen.de> ha scritto: > Hi, > > i'd like to establish a 2 Node-Cluster. My OS will be SLES 11 and HAE. My > services will run in VM's using KVM. I will install the VM's in LV's, one > LV for one VM. The LV's will be plain partitions, having no filesystem. I > have read this is quicker with KVM than installing a VM in a LV with > filesystem. > My LV's will reside on a FC SAN. Both nodes have access to the SAN. For > the LV's, i will use cLVM. > > My questions are: > > - let's assume that, due to an error, a VM will run on both nodes. Does > cLVM prevent that both VM's have simultaneously access to the corresponding > LV ? So that the data is not destroyed. > > - Is it possible that some VM's run on the first node and other VM's run > on the second node simultaneously ? > > - what do you think about my setup ? > > > > Bernd > > -- > Bernd Lentes > > Systemadministration > Institut für Entwicklungsgenetik > HelmholtzZentrum münchen > bernd.len...@helmholtz-muenchen.de > phone: +49 89 3187 1241 > fax: +49 89 3187 3826 > http://www.helmholtz-muenchen.de/idg > > Wer Visionen hat, soll zum Hausarzt gehen > Helmut Schmidt > > Helmholtz Zentrum München > Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH) > Ingolstädter Landstr. 1 > 85764 Neuherberg > www.helmholtz-muenchen.de > Aufsichtsratsvorsitzende: MinDir´in Bärbel Brumme-Bothe > Geschäftsführer: Prof. Dr. Günther Wess und Dr. Nikolaus Blum > Registergericht: Amtsgericht München HRB 6466 > USt-IdNr: DE 129521671 > > _______________________________________________ > 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
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