[Pacemaker] Multiple live cib in one pacemaker

Andrew Beekhof andrew at beekhof.net
Thu Feb 19 19:17:43 UTC 2015


> On 20 Feb 2015, at 1:52 am, Kristoffer Grönlund <kgronlund at suse.com> wrote:
> 
> Adam Błaszczykowski <adam.blaszczykowski at gmail.com> writes:
> 
>> Hello,
>> I am using Pacemaker 1.1.12 together with Corosync 2.4.3 in my cluster
>> environment. I have two nodes in cluster that are in different LAN
>> locations. It may be situation that nodes will not be able to connect with
>> each other because of network failure. In that situation split brain can
>> occur if we add new configuration on both nodes but that configuration will
>> be different on each node.
> 
> Running a single cluster across different LANs with an unreliable
> network connection doesn't seem like a situation supported by
> Pacemaker. You probably need to look at something like booth [1] to get
> this to work reliably.
> 
> Booth allows resources to migrate between different clusters, using
> tickets and an arbiter in a third location.

And probably sbd

> 
> [1]: https://github.com/ClusterLabs/booth
> 
> 
> -- 
> // Kristoffer Grönlund
> // kgronlund at suse.com
> 
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