hi, It's really not a single point of failure ? In this way i see 2 point of failure, if the hosted-engine break and if the mount server adress break. And it's not possible to migrate the engine.
Can you explain me why is not a point of failure for you ? -- Florent BELLO Le 28/09/2015 05:45, Simone Tiraboschi a écrit : > On Fri, Sep 25, 2015 at 5:36 PM, Bello Florent <[email protected]> wrote: > >> Hi, >> >> I have 3 nodes with glusterfs installed. I configured replica 3 on my engine volume. > > Hi, > on oVirt 3.6 we still not support hyper convergence that means that you cannot use the same hosts for virtualization and for storage with gluster. > > So the correct approach is renaming your hosts to: > host 1 : "192.168.100.101 gluster1.localdomain gluster1" > host 2 : "192.168.100.102 gluster2.localdomain gluster2" > host 3 : "192.168.100.103 gluster3.localdomain gluster3" > > On an additional host, deploy hosted-engine choosing the gluster host you prefer as your entry point: it will not be a single point of failure. > You don't really need to use CTDB to deploy oVirt hosted-engine. > >> i don't want to use ctdb for my hosted-engine, but when i start hosted-engine --deploy, use localhost:/engine or gluster.localdomain:/engine, gluster.localdomain is configured in all servers /etc/hosts like : >> host 1 : "192.168.100.101 gluster.localdomain gluster" >> host 2 : "192.168.100.102 gluster.localdomain gluster" >> host 3 : "192.168.100.103 gluster.localdomain gluster", >> >> the setup failed with : >> >> --== STORAGE CONFIGURATION ==-- >> >> During customization use CTRL-D to abort. >> Please specify the storage you would like to use (glusterfs, iscsi, fc, nfs3, nfs4)[nfs3]: glusterfs >> [ INFO ] Please note that Replica 3 support is required for the shared storage. >> Please specify the full shared storage connection path to use (example: host:/path): localhost:/engine >> [WARNING] Due to several bugs in mount.glusterfs the validation of GlusterFS share cannot be reliable. >> [ INFO ] GlusterFS replica 3 Volume detected >> [ ERROR ] Failed to execute stage 'Environment customization': Connection to storage server failed >> [ INFO ] Stage: Clean up >> [ INFO ] Generating answer file '/var/lib/ovirt-hosted-engine-setup/answers/answers-20150925121036.conf' >> [ INFO ] Stage: Pre-termination >> [ INFO ] Stage: Termination >> >> I have to use obligatory ctdb or keepalived, or existing another way ? >> -- >> >> Florent BELLO >> Service Informatique >> [email protected] >> 0594 22 31 22 >> Mairie de Kourou >> _______________________________________________ >> Users mailing list >> [email protected] >> http://lists.ovirt.org/mailman/listinfo/users [1] Links: ------ [1] http://lists.ovirt.org/mailman/listinfo/users
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