[Linux-cluster] Re: Nodes show up extremely slowly (or not at all)

Stuart Auchterlonie stuarta at squashedfrog.net
Wed Aug 29 10:29:30 UTC 2007

Nikolas Lam wrote:
> On Fri, 2007-08-24 at 15:12 +0200, Kadlecsik Jozsi wrote:
>> On Fri, 24 Aug 2007, Kadlecsik Jozsi wrote:
>>> It took 13 minutes(!) for 'lsxerv0' to notice 'lxserv1'.
>> It turned out to be a switch-related multicast problem: openais used the 
>> default(?) address, while the switch strangely enough passes 
>> the 224.0.0.x addresses only. So by setting the multicast address in
>> cluster.conf explicitly to cured the problem.
> Hi Jozsef,
> I think I might be having similar problems. However I seem to be unable
> to specify a multicast address manually using conga / luci (the web
> based tool). When I press "apply" I see the reconfiguration happening,
> but when I look at my cluster.conf, there's no multicast address in
> there:

I reported this one a few days ago and it's been fixed.
As you discovered the workaround is to manually configure
the multicast address the first time.


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