[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]

Re: [Linux-cluster] Please settle a bet for me



On 01/07/2013 05:29 PM, Sam Wilson wrote:
> Hi Bill,
> 
> As far as I have experienced under pacemaker this is true in most cases.
> EG: Two nodes running a master/slave httpd will fail over without fencing.
> 
> However, if for example your nodes are also using GFS2 and something
> goes wrong then you will find your filesystem locked by DLM which will
> obviously break fail over for services on that filesystem.
> 
> In short, best to configure fencing unless this is a lab environment
> your willing to break!
> 
> Cheers,
> 
> Sam

DLM absolutely requires fencing, but even without it, a production
cluster without fencing is a bad day waiting to happen. Please always
use fencing... It will save you far more headache in the long run.

-- 
Digimer
Papers and Projects: https://alteeve.ca/w/
What if the cure for cancer is trapped in the mind of a person without
access to education?


[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]