On Thu, Apr 14, 2011 at 6:39 PM, Carlos G Mendioroz <t...@huapi.ba.ar> wrote: > Hi, > I've a doubt on the best way (tm) to deal with HA in the case of services > that are somehow proxies to some other resource (i.e. > stateless in some sense). > > The problem seems to be that the clients need to know its identity > and location, which usually boils down to IP address. > > Even though some services might run well with anycast models, > many are TCP based so anycast does not fit that good. > > "moving" the IP address seems the usual mechanism that > pacemaker based resources use. This implies that the service itself > has to be restarted, because many depend on the service IP address > being attached to the host for the configuration to be accepted. > > Has anybody thought about having a local (i.e. loppback) address > and then switching ARP responsibility over the LAN as an alternative ? > Has this been implemented already and I'm rediscovering a wheel ? :)
I think there's something like that in the IPaddr agent (for ldirectord support IIRC) _______________________________________________ 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://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
