You probably want to direct that question to the iptables mailing list.
On Nov 30, 2012, at 9:54 AM, Ratko Dodevski wrote: > Can someone tell me how CLUSTERIP works? Because from what I can see, a get > all the connections to one server and after some time all the connections go > to other server etc... Is it something wrong with my configuration or that's > the way it's working? > > Thanks and regards > > > On Fri, Nov 30, 2012 at 1:36 PM, David Coulson <da...@davidcoulson.net> wrote: > I would add HA to your existing HA config - The primary issue you have right > now is that if tomcat is down, broken or needs to be disabled you don't have > a good way of doing that automatically. > > My implementations for this type of application are pacemaker + ldirectord + > LVS. Since you have a 15x increase in number of clients, now is a good time > to argue the business case for something more robust than CLUSTERIP. > > David > > > On 11/30/12 7:30 AM, Ratko Dodevski wrote: >> 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.org >>> http://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 > > > > > -- > Ratko
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