From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Teigland Date: Wed, 27 Jan 2010 15:38:00 -0600 Subject: [Cluster-devel] skipping unused services, cman_tool join -A In-Reply-To: <1264625498.2569.31.camel@localhost.localdomain> References: <20090925192752.GD14664@redhat.com> <20100127204924.GB21005@redhat.com> <1264625498.2569.31.camel@localhost.localdomain> Message-ID: <20100127213800.GC21005@redhat.com> List-Id: To: cluster-devel.redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Wed, Jan 27, 2010 at 01:51:38PM -0700, Steven Dake wrote: > On Wed, 2010-01-27 at 14:49 -0600, David Teigland wrote: > > On Fri, Sep 25, 2009 at 02:27:52PM -0500, David Teigland wrote: > > > To avoid loading+running services that you don't use (e.g. to avoid bugs > > > crashing the system from a service you're not using) > > > > > > add to cluster.conf > > > > > > > > > > > > > > > run cman_tool join -A > > > > > > (or set CMAN_JOIN_OPTS env var) > > > > Currently cman_tool loads the list of services defined by > > "openaisserviceenablestable", which is clm, evt, ckpt, msg, lck, tmr. > > > > I suggest that by default cman_tool only load the services that we use, > > namely ckpt (and cman of course). If someone wants to use another of the > > services, they can use cluster.conf to load it. > > > > I don't think this suggestion went over very well last time I brought it > > up, but recently the trend has been shifting toward narrowing our exposure > > to things we've tested... so I'm tossing it out one more time. > Unfortunately this is not possible because it would break rolling > upgrades as I have stated in the past. cman makes config adjustments upon seeing , could it not do that for services? Dave