[Linux-cluster] Heartbeat tolerance on busy networks (RHCS3)

[Christine Caulfield]

Karl Podesta wrote:
> On Tue, Feb 19, 2008 at 09:43:03PM +0100, Pavlos Parissis wrote:
>> It would be much better and useful for everyone to post your clutser.conf and the error you get.
>>
>> You can always test your configuration prior using it by using rg_test tool.
>>
>> Cheers,
>> Pavlos
> 
> Ok - I make the change in cluster.conf (see below), then do:
> 
>   ccs_tool update /etc/cluster/cluster.conf
>   cman_tool version -r 68
> 
> ... this works fine, no errors. Clustat reports cluster working as normal, 
> no messages in /var/log/messages etc. But then when I enter system-config-
> cluster, I get a window with an error telling me it can't read the config
> file (error is below). Any help you can give is appreciated! Or even if
> you'd recommend something different to allow tolerance for heartbeats. 
> 
> Incidentally - it appears deadnode_timeout isn't a variable in the cman 
> section in the RHEL 4 cluster.conf schema:
> (http://sources.redhat.com/cluster/doc/cluster_schema_rhel4.html)
> ... so maybe deadnode_timeout isn't a valid variable anymore?
> 

deadnode_timeout is a valid variable in RHEL4. It just seems that
system-config-cluster (at least your version of it) doesn't like it :(

The way to check it has been honoured is to cat
/proc/cluster/config/cman/deadnode_timeout and see if it has the right
value.

-- 

Chrissie