[Linux-HA] dedicated heartbeat link or not?

[Andrew Beekhof]

On Nov 28, 2007, at 7:55 PM, Dejan Muhamedagic wrote:

> Hi,
>
> On Wed, Nov 28, 2007 at 06:24:34PM +0100, Alt, Martin wrote:
>> Hello all,
>>
>> I am planning to use heartbeat (version 2) to increase the
>> availability of some services running in a cluster and I am
>> currently stuck with two questions (one of which is rather
>> general and not directly related to heartbeat - but I hope
>> someone can help me anyway ;-)).
>>
>> The setup is as follows: the cluster contains 10 nodes, each
>
> How big is your configuration? If the size reflects the number of
> nodes, which is impressive, then it could be that only with the
> future releases (there should be one in December), Heartbeat
> would manage.

The current interim release should be able to cope - its quite a bit  
better at not exceeding heartbeat's communication queues.
You might hit heartbeat's internal message size limits - but thats  
just a #define that you can increase if necessary