On Thu, Aug 12, 2010 at 7:19 PM, <[email protected]> wrote: > FWIIW, I thought the question was in regards to Cluster Suite (RHCS), not > Global File System (GFS)? In that regard, what does fencing have to do with > this?
Most cluster solutions come with shared/cluster filesystems. > @Ana, are you concerned about pulse heartbeat? That should not be an issue, > but more so, there will (probably) be no kernel client-session tracking for > fail-over, because your remote datacenter is not on the same physical LAN. > That means if you did fail- Not necessarily true, our network department was able to set up the same physical LAN in two data centers within the same town. > Also, from my understanding of Linux IPVS on which RHCS is based, is that it > can support a remote datacenter, without spanning tree, if you use the > tunneling option (not direct or nat)... although we have never tried it. False, Red Hat Cluster Suite has two different parts: failover and load balancing frameworks. The former is based on OpenAIS, while latter is IPVS with some additional components. One can operate without the other. -- László Béres Unix system engineer http://www.google.com/profiles/beres.laszlo -- Linux-cluster mailing list [email protected] https://www.redhat.com/mailman/listinfo/linux-cluster
