OK that's clear, but it sounds a little risky too to increase this parameter ? By the way I'm working with corosync, not heartbeat, so do you think it is all the same "tunable" ? Thanks Alain > Hi, > > On Mon, Apr 04, 2011 at 08:32:10AM +0200, Alain.Moulle wrote: > >> Hi >> >> I got a strange message about "... max_child_count (4) reached, >> postponing execution of operation stop ..." on a resource. >> >> What is the meaning of this max_child_count ? >> > > lrmd (the local resource manager) won't run more than this > number of resource operations in parallel. It's a mechanism to > prevent placing too much load on the node. As soon as one of the > operation finishes, the next one in the queue is started. > > >> Is it possible to tune it ? >> How can it be tuned ? with regard with which items ? nb of resources >> configured ? anything else ? >> > > Yes, by setting LRMD_MAX_CHILDREN in /etc/sysconfig/pacemaker in > SUSE distributions (SLES or OpenSUSE). Don't know if init > scripts of other distributions have this option. I think you'll > need the latest Heartbeat (if you're running heartbeat and not > corosync). Note that this is a per-node setting. > > Thanks, > > Dejan > > >> Thanks a lot. >> Alain >> _______________________________________________ >> Linux-HA mailing list >> Linux-HA@lists.linux-ha.org >> http://lists.linux-ha.org/mailman/listinfo/linux-ha >> See also: http://linux-ha.org/ReportingProblems >> > _______________________________________________ > Linux-HA mailing list > Linux-HA@lists.linux-ha.org > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems > > >
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