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. Thanks, Dejan > So that is the basic cause of my latency problem when I > execute all the needed crm commands in my scripts to > address many HA clusters from a central management node. > > I know that I can gather as much as possible crm commands > in a file on remote node and ask crm to take the file as input, > but within my scripts, I can't do that for all crm commands, > so would it be possible to reduce these 10 to 14s via a pacemaker > parameter tuning ? > > Thanks > Alain > > Dejan Muhamedagic a écrit : > > On Tue, Mar 01, 2011 at 04:29:26PM +0100, Alain.Moulle wrote: > > > >> Hi Dejan, > >> whatever command , i.e a crm start on a resource, an then a start or on > >> another > >> resource, the first one is instaneously taken in account, the second one > >> takes > >> around 45/50s . Or a start on a resource and just after the start, a crm > >> resource > >> stop on the same resource, the command returns, but crm_mon displays the > >> resource stopped 45/50s after the command. > >> > > > > No way to figure out what's going on without the logs and your > > configuration. Please open a bugzilla with hb_report attached. > > > > Thanks, > > > > Dejan > > > > > >> Alain > >> > >>> Hi, > >>> > >>> On Tue, Mar 01, 2011 at 03:15:10PM +0100, Alain.Moulle wrote: > >>> > >>> > >>>> Hi, > >>>> > >>>> Suppose we execute a crm command on a resource, it is quickly taken in > >>>> account. > >>>> Now, we execute a new crm command, there is a delay of around 40 to 60s > >>>> before this new command is taken in account in Pacemaker. > >>>> > >>>> I wonder why this delay? > >>>> > >>>> > >>> /me too. Where does it occur (the crm shell waits or something > >>> else)? Which exact commands, logs. > >>> > >>> Cheers, > >>> > >>> Dejan > >>> > >>> > >>> > >>>> And if it is possible to reduce it so that all commands could be taken in > >>>> account in a few seconds ? > >>>> > >>>> 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 > >>> > >>> > >>> > >>> > >> _______________________________________________ > >> 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 > > > > > > > > _______________________________________________ > 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
