[Linux-cluster] FAQ: How do I change the time after which a non-responsive node is considered dead?

[Patrick Caulfield]

Maciej Bogucki wrote:
> Hello,
> 
> In the FAQ we have:
> 
> ---cut---
> Just add deadnode_timer="value" to the cman section in your cluster.conf
> file. For example:
> 
> <cman deadnode_timer="21">
> 
> The default value is 21 seconds.
> ---cut---
> 
> Do I need to restart cman for the changes to take effect?
> 
> When i propagate the cluster.conf file to a running cluster I still have
> old values in /proc/ but cluster.conf in updated.
> 
> # cat /proc/cluster/config/cman/deadnode_timeout
> 21
> # grep dead /etc/cluster/cluster.conf
>         <cman expected_votes="1" two_node="1" deadnode_timeout="120"
> hello_timer="10"/>
> #


Updating cluster.conf just changes the values that will be used next time cman
starts up. If you need to change it on the fly you'll also need to echo the new
values into /proc/cluster/config/cman/deadnode_timeout (etc)

-- 

patrick