On 3/29/2010 at 10:24 AM, mike <[email protected]> wrote: > Hi All, > > I'm looking for a good document that can take someoen very new to > LinuxHA (me) and clearly explain how stonith is implemented and how to > configure it. Most of what I've found so far is very cryptic and frankly > dose not explain how to configure stonith in a working cluster. For my > example, I have 3 working IP Takeover clusters running httpd. What I > want to do should be simple I would think. If there is a takeover, kill > the other node. I have a command that works very well in the > environment I am using LinuxHA but I can't find any documentation that > helps me understand how stonith is implemented and configured. I need to > understand this first. > > Can someone point me to some good documentation on stonith? Where do I > start?
Try http://www.clusterlabs.org/doc/crm_fencing.html Also various links at http://www.clusterlabs.org/wiki/Documentation (in particular Clusters from Scratch and Configuration Explained). Maybe http://ourobengr.com/ha (but that's more about what can go wrong with STONITH in a two node cluster, than about how to configure STONITH). Note that whether or not STONITH occurs for a given failure depends on how you've configured your resources. It'll always trigger if a node is (apparently) completely dead, or (by default) if a resource stop op fails. If a resource can't start, or is running then fails, STONITH won't occur unless you set the on-fail property of that operation to "fence". You should find more detail about this in the Configuration Explained document. HTH, Tim -- Tim Serong <[email protected]> Senior Clustering Engineer, OPS Engineering, Novell Inc. _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
