Probably, but HA is already the solution in place so I have to use-it. Now there are around 200 clients but it will grow up till 3000 in the next two months. Servers have Tomcat installed on them, so basically I need to load balance connections from outside to the Tomcat.
Regards On Fri, Nov 30, 2012 at 1:19 PM, David Coulson <da...@davidcoulson.net>wrote: > All the connections, from how many clients? > > You might be better off using LVS for this. > > David > > > On 11/30/12 7:15 AM, Ratko Dodevski wrote: > > Hi guys, I need some help on configuring NLB for my application servers. > I've installed tomcat on 4 servers and I've decided to use Linux HA for > Network Load Balancing, but is seems like all the connections are going > only to one of the servers (app-node-1). Can someone tell me what I'm doing > wrong? It's pretty simple config, just one clone resource (IPaddr2) running > on all nodes. Also, can someone tell me how is NLB done? based on source > IP, IP hash or... I need Round Robbin NLB. > > app-node-1:/ # crm configure show > node app-node-1 > node app-node-2 > node app-node-3 \ > attributes standby="on" > node app-node-4 > primitive tomcat_ip ocf:heartbeat:IPaddr2 \ > params ip="X.X.X.X" cidr_netmask="24" nic="eth0" \ > op monitor interval="30s" \ > meta target-role="started" > clone nlb_ip tomcat_ip \ > meta globally-unique="true" clone-max="4" clone-node-max="1" > property $id="cib-bootstrap-options" \ > dc-version="1.1.2-2e096a41a5f9e184a1c1537c82c6da1093698eb5" \ > cluster-infrastructure="openais" \ > expected-quorum-votes="4" \ > stonith-enabled="false" \ > no-quorum-policy="ignore" \ > last-lrm-refresh="1333954979" > rsc_defaults $id="rsc-options" \ > resource-stickiness="100" > > ============ > Last updated: Fri Nov 23 01:57:49 2012 > Stack: openais > Current DC: app-node-1 - partition with quorum > Version: 1.1.2-2e096a41a5f9e184a1c1537c82c6da1093698eb5 > 4 Nodes configured, 4 expected votes > 1 Resources configured. > ============ > > Online: [ app-node-1 app-node-4 app-node-2 ] > OFFLINE: [ app-node-3 ] > > Clone Set: nlb_ip (unique) > tomcat_ip:0 (ocf::heartbeat:IPaddr2): Started app-node-1 > tomcat_ip:1 (ocf::heartbeat:IPaddr2): Started app-node-2 > tomcat_ip:2 (ocf::heartbeat:IPaddr2): Started app-node-4 > tomcat_ip:3 (ocf::heartbeat:IPaddr2): Stopped > > > Thanks and regards > > -- > Ratko > > > _______________________________________________ > Pacemaker mailing list: > Pacemaker@oss.clusterlabs.orghttp://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org > > > -- Ratko
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