On Tue, Jul 21, 2009 at 2:55 PM, Karl W. Lewis<[email protected]> wrote: > So, I'm setting up a web server on an HA-Linux Cluster using heartbeat v2.99 > and Pacemaker. > > I'm setting it up on a set of three Egenera blades. These blades have no > actual network interfaces, that is handled by the frame. So, there are the > interfaces over which the web server will talk to the world, and a virtual > IP Address managed by the cluster, and I have set up a "private" network > that he cluster can use to chat that is not connected to any other network. > I've assigned IP addresses for that virtual interface on each blade, but now > I have a question that I fear will reveal my ignorance... > > How do I relate the private network IP Addresses to each host? Currently, > the public addresses for each host are associated with the hosts in the > /etc/hosts file. And, those names are the ones that you get if you do a > `uname -n` on any of the blades. Should I use the private network addresses > instead?
If you want to be able to have those IPs move to another node if the normal owner dies, then yes. Otherwise, it probably doesn't matter too much. > My ha.cf file contains the line: bcast eth1 eth0. eth1 is for the > private network, but it occurs to me that heartbeat can't know how to get to > the other nodes over eth1 because I've not told it what those addresses > are. hint: bcast > Should I re-write my hosts file such that the private addresses are > the ones associated with the proper host names? > > Since these are egenera blades, I can't use serial/null modem cables to > connect the cluster as the blades don't have any of those, either. > > My google skilz, such as they are, have failed me... I have been unable to > find any details of a setup like this. I'd be most appreciative if anyone > could provide any tips, pointers, or practical examples. > > Thanks, > > Karl > _______________________________________________ > Linux-HA mailing list > [email protected] > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems > _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
