Hi, thanks for the quick response. So the data is not destroyed if two identicals VM's access the LV simultaneouslay ? I thought it would be. I will have stonith too. What is about live migration ? Is it possible with 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 ________________________________ From: emmanuel segura [mailto:emi2f...@gmail.com] Sent: Thursday, March 22, 2012 4:12 PM To: The Pacemaker cluster resource manager Subject: Re: [Pacemaker] 2 Node Cluster: some principal questions 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<mailto: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<mailto:bernd.len...@helmholtz-muenchen.de> phone: +49 89 3187 1241<tel:%2B49%2089%203187%201241> fax: +49 89 3187 3826<tel:%2B49%2089%203187%203826> 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<http://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<mailto: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 ________________________________ 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
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