Hi Dave,
How many zookeeper servers do you have and where are them? 

Juan Carlos Fernández Rodríguez

> El 15/03/2014, a las 01:21, dlmarion <dlmar...@hotmail.com> escribió:
> 
> I was doing some testing with HA NN today. I set up two NN with active 
> failover (ZKFC) using sshfence. I tested that its working on both NN by doing 
> ‘kill -9 <pid>’ on the active NN. When I did this on the active node, the 
> standby would become the active and everything seemed to work. Next, I logged 
> onto the active NN and did a ‘service network stop’ to simulate a NIC/network 
> failure. The standby did not become the active in this scenario. In fact, it 
> remained in standby mode and complained in the log that it could not 
> communicate with (what was) the active NN. I was unable to find anything 
> relevant via searches in Google in Jira. Does anyone have experience 
> successfully testing this? I’m hoping that it is just a configuration problem.
>  
> FWIW, when the network was restarted on the active NN, it failed over almost 
> immediately.
>  
> Thanks,
>  
> Dave

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