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? -- Linux-cluster mailing list Linux-cluster@redhat.com https://www.redhat.com/mailman/listinfo/linux-cluster
