[jboss-as7-dev] Server Group equals Cluster?

[Brian Stansberry]

I just experimented, and if you include the jgroups and infinispan 
subsystems in your config, the read-resource op works, but 
read-resource-description returns just some empty boilerplate.

On 6/8/11 8:37 AM, Heiko Braun wrote:
>
>
> I guess this would a a reasonable addition to the management console.
> But as far as aI can tell the low level clustering configuration isn't exposed through the
> management layer yet, is it?
>
> Ike
>
> On Jun 8, 2011, at 3:18 PM, Brian Stansberry wrote:
>
>> Exactly.
>>
>> The foundation of the AS's clustering features are JGroups channels
>> where the instance of a channel on a given server discovers its peers
>> and exchange messages in a peer-to-peer topology. That discovery and the
>> ability to properly exchange messages depends on a consistent
>> configuration between the members of the cluster.
>>
>> A server group is the logical way to achieve that consistent configuration.
>>
>> However, if the user configured two server groups with the same
>> clustering configuration and the servers in the two groups were visible
>> to each other over the network, all the servers would form a single cluster.
>>
>> On 6/8/11 5:39 AM, Dimitris Andreadis wrote:
>>> AFAIK, a server group translates to a shared configuration and cluster (capability) is
>>> orthogonal to a server group. I.e. you could have a cluster span 2 different server groups.
>>>
>>> However, in most cases a cluster will be implemented as a server group.
>>>
>>> On 08/06/2011 11:19, Heiko Braun wrote:
>>>>
>>>>
>>>> Can somebody shed some light on the relation between server groups
>>>> (or domains in general) and clustering?
>>>>
>>>>
>>>> Ike
>>>>
>>>>
>>>>
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>>>
>>
>>
>> --
>> Brian Stansberry
>> Principal Software Engineer
>> JBoss by Red Hat
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>


-- 
Brian Stansberry
Principal Software Engineer
JBoss by Red Hat