[Linux-HA] dedicated heartbeat link or not?

[Dejan Muhamedagic]

Hi,

On Thu, Nov 29, 2007 at 09:52:33AM +0100, Andrew Beekhof wrote:
> 
> 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.

Cool.

> You might hit heartbeat's internal message size limits - but thats  
> just a #define that you can increase if necessary

But we have, at least I hope so, the IPC size (aka compression
now works) fix. See http://hg.linux-ha.org/dev/rev/1dad5ee4ac98

Cheers,

Dejan


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