I found the descriptions of resource agents here: http://doc.opensuse.org/products/draft/SLE-HA/SLE-ha-guide_sd_draft/app.agents.details.html
Thanks, Karlis 2012/2/13 Karlis Kisis <karlis.ki...@gmail.com>: > Hi, > > In most cluster tutorials, for simplicity, iptables is turned off. > Funny thing is that iptables is what I want to configure in HA cluster > (as redundant firewalls). > > While reading the documentation I did not understand fully how IpAddr2 > resource is configured. Let me explain: > > I have 2 cluster nodes with following network config: > NIC1 - External Internet - 80.80.80.80 (81 for node2) > NIC2 - Internal LAN - 10.0.0.80 (81 for node2) > NIC3 - Heartbeat - 192.168.0.80 (81 for node2) > NIC4 - Storage Net - 172.16.0.80 (81 for node2) > > I want 2 addresses to fail over: > 80.80.80.1 VIP in External segment > 10.0.0.1 VIP in LAN segment > > Question #1: > When I configure IpAddr2 resource, how does it work? Especially if I > want to use external address that are public. The network adapter goes > in PROMISCUOUS mode and listens to all traffic, while filtering its IP > and VIP? Does it load the routers? > > What I need to add another address from a different IP subnet, let's > say 180.180.180.180, since I don't have any adapters configures in > this IP subnet, will it work? Can I somehow assign this IpAddr2 to be > routed through NIC1 (static routes on both nodes?) > > Question #2: > The whole clustering thingy works by stopping the service on one node > and starting it on the other. In my case, I would not want iptables to > be stopped but instead restarted with a "passive" config, like block > all traffic from outside (instead of dropping firewall entirely). How > would I go about it? Custom scripts? > > Is there any extensive documentation on cluster networking somewhere? > How do the VIPs technically work? > > Best regards, > Karlis _______________________________________________ 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
