OK. The reason I got confused is coz all tutorials have prior step as creating user hacluster and then using pcs commands. Hence i thought it relies on ssh. Thanks for the clarification.
On Wed, Jun 8, 2016 at 7:51 PM, Ken Gaillot <kgail...@redhat.com> wrote: > On 06/08/2016 06:54 AM, Jehan-Guillaume de Rorthais wrote: > > > > > > Le 8 juin 2016 13:36:03 GMT+02:00, Nikhil Utane < > nikhil.subscri...@gmail.com> a écrit : > >> Hi, > >> > >> Would like to know the best and easiest way to add a new node to an > >> already > >> running cluster. > >> > >> Our limitation: > >> 1) pcsd cannot be used since (as per my understanding) it communicates > >> over > >> ssh which is prevented. > > > > As far as i remember, pcsd deamons use their own tcp port (not the ssh > one) and communicate with each others using http queries (over ssl i > suppose). > > Correct, pcsd uses port 2224. It encrypts all traffic. If you can get > that allowed through your firewall between cluster nodes, that will be > the easiest way. > > corosync.conf does need to be kept the same on all nodes, and corosync > needs to be reloaded after any changes. pcs will handle this > automatically when adding/removing nodes. Alternatively, it is possible > to use corosync.conf with multicast, without explicitly listing > individual nodes. > > > As far as i understand, crmsh uses ssh, not pcsd. > > _______________________________________________ > Users mailing list: Users@clusterlabs.org > http://clusterlabs.org/mailman/listinfo/users > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org >
_______________________________________________ Users mailing list: Users@clusterlabs.org http://clusterlabs.org/mailman/listinfo/users Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
