On Fri, Oct 16, 2009 at 10:54:18AM +0200, Raoul Bhatia [IPAX] wrote: > On 10/16/2009 09:59 AM, Matthew Palmer wrote: > > If this were a single-machine service, I'd completely agree with you. > > Unfortunately, a cluster service like pacemaker needs to have absolutely > > consistent configuration across all the nodes in the cluster, and having it > > read off a file on disk would make that *amazingly* difficult and > > dangerous. > > I remember the fun and games I had dealing with cman (or whatever it was > > that went with that) and it's "read an XML config file and update everyone" > > model. I'll take "crm configure edit" over that any day, TYVM. > > to my knowledge, if no cib.xml file exists, pacemaker creates an empty > one with epoch="0" (or similar, to my experience at least < 100 ;) ) > > i've done the following steps numerous times: > 1. stop pacemaker on all nodes > 2. erase all cib.xml related files > 3. drop a new cib.xml into the correct directory on one node > 4. set the correct permissions > 5. startup all nodes > 6. witness the new configuration unfold
And boy won't *that* work well on a live cluster. Furrfu, - Matt _______________________________________________ Pacemaker mailing list Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker
