[ClusterLabs] Establishing Timeouts

Klaus Wenninger kwenning at redhat.com
Mon Oct 10 14:42:55 EDT 2016

On 10/10/2016 08:35 PM, Eric Robinson wrote:
> Basically, when we turn off a switch, I want to keep the cluster from failing over before Linux bonding has had a chance to recover. 
> I'm mostly interested in prventing false-positive cluster failovers that might occur during manual network maintenance (for example, testing switch and link outages).

As you probably know when manual maintenance is being done
you might take advantage of that knowledge by e.g. unmanaging
the cluster during that time.

>>> Thanks for the clarification. So what's the easiest way to ensure 
>>> that the cluster waits a desired timeout before deciding that a re-convergence is > necessary?
>> By raising the token (lost) timeout I would say.
>> Please correct my (Chrissie) but I see the token (lost) timout somehow 
>> as resilience against static delays + jitter on top and the 
>> token_retransmits_before_loss_const
>> as resilience against packet-loss.
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