[ClusterLabs] Virtual ip resource restarted on node with down network device

Dmitri Maziuk dmitri.maziuk at gmail.com
Tue Sep 20 11:28:20 EDT 2016

On 2016-09-20 09:53, Ken Gaillot wrote:

> I do think ifdown is not quite the best failure simulation, since there
> aren't that many real-world situation that merely take an interface
> down. To simulate network loss (without pulling the cable), I think
> maybe using the firewall to block all traffic to and from the interface
> might be better.

Or unloading the driver module to simulate NIC hardware failure.

Dep. on how close you look at the interface it may or may not matter 
that pulling the cable/the other side going down will result in NO 
CARRIER whereas firewalling it off will not.


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