On Thu, Mar 10, 2011 at 03:18:30PM +0100, Lars Ellenberg wrote: > On Thu, Mar 10, 2011 at 02:49:01PM +0100, Dejan Muhamedagic wrote: > > Hi, > > > > On Wed, Mar 09, 2011 at 10:02:01AM +0100, Alain.Moulle wrote: > > > Hi Dejan > > > > > > I tried to reproduce the latency pb between commands, bt with only > > > some Dummy resources : > > > Resource Group: group-dummy1 > > > resname1 (ocf::pacemaker:Dummy): Started chili2 > > > resname2 (ocf::pacemaker:Dummy): Started chili2 > > > resname3 (ocf::pacemaker:Dummy): Started chili2 > > > resname4 (ocf::pacemaker:Dummy): Started chili2 > > > Resource Group: group-dummy2 > > > resname5 (ocf::pacemaker:Dummy): Started chili2 > > > resname6 (ocf::pacemaker:Dummy): Started chili2 > > > > > > > > > and in fact when using crm to start /stop for example : > > > crm resource start group-dummy1 > > > (this one is instantaneously taken in account) > > > then just after the first one, I do : crm resource start group-dummy2 > > > there is a latency of 10 to 14 s before the resource > > > is displayed "started" via crm_mon > > > > Normally, pacemaker reacts as fast as it can. The explanation > > must be in the logs. > > Instead of "crm resource x start/stop", try > crm_resource -r x -p target_role -v started > crm_resource -r x -p target_role -v stopped > > iirc, crm sends a cib replace, which causes re-election of the DC, > which may or may not take some time.
Hmm, that should've been fixed, sometimes last year. I think that both 1.0.10 and 1.1.5 contain the fix. > crm_resource will send a cib diff update, no re-election will be done, > and it just goes directly -> policy engine -> transition engine. > > May or may not help ;-) Yes, it's worth a try. Thanks, Dejan > -- > : Lars Ellenberg > : LINBIT | Your Way to High Availability > : DRBD/HA support and consulting http://www.linbit.com > _______________________________________________ > Linux-HA mailing list > [email protected] > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
