This may be useful for your problem. http://mirantis.blogspot.com/2011/06/clustered-lvm-on-drbd-resource-in.html This is receipt for Fedora, however, configuration and operation on Ubuntu shoud not differ greatly.
WBR, Oleg Mirantis Inc., http://www.mirantis.com On Fri, Jun 3, 2011 at 8:36 PM, Digimer <[email protected]> wrote: > On 06/03/2011 10:42 AM, Pete Ashdown wrote: > >> Thank you for your help. I would like both hosts to be able to >> manipulate the LVM and run in dual primary mode. There isn't a whole lot >> of manipulation going on, and certainly not simultaneous. >> > > The short answer to your earlier question of using LVM without CLVM on > Primary/Primary is "no". > > The reason is; > - Primary/Primary requires distributed locking, DLM. > - DLM requires a closed process group (CPG), which comes from a formed > cluster; Corosync provides this. > - Corosync requires fencing/stonith to properly deal with faults in the > cluster when shared storage is in use. > > Corosync runs just fine on Ubuntu; The problem is likely a configuration > issue of the CIB. I'd suggest joining the Pacemaker/OpenAIS (the predecessor > to corosync) mailing lists, and if you are on IRC, stop by the > #linux-cluster channel. > > Getting a working cluster is not that difficult, but it does require > understanding the fundamentals. Once you have the cluster formed, you will > find that CLVM works just fine. It certainly doesn't lock LVs "for not > reason". :) > > -- > Digimer > E-Mail: [email protected] > Freenode handle: digimer > Papers and Projects: http://alteeve.com > Node Assassin: http://nodeassassin.org > "I feel confined, only free to expand myself within boundaries." > > _______________________________________________ > drbd-user mailing list > [email protected] > http://lists.linbit.com/mailman/listinfo/drbd-user >
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