On 2 Jun 2014, at 7:05 pm, Riccardo Murri <riccardo.mu...@gmail.com> wrote:
> Hi Andrew, > > thanks for your explanations. One more question: > > On 30 May 2014 02:38, Andrew Beekhof <and...@beekhof.net> wrote: >> >> On 29 May 2014, at 9:19 pm, Riccardo Murri <riccardo.mu...@gmail.com> wrote: >> >>> - or rather does the `ping` RA trigger failure events when even one of >>> the nodes cannot be pinged? >> >> both. it always triggers events when something changes and its up >> to the policy engine to look at your constraints and decide if >> things should be moved. > > Would the following be the correct configuration snippet to have > pacemaker ignore occasional ping failures and only react when *no* > hosts can be pinged? > > primitive ping ocf:pacemaker:ping \ > params name=ping dampen=5s multiplier=10 host_list="..." \ > op start timeout=120 \ > op monitor timeout=60 interval=10 on-fail=ignore > ^^^^^^^^^^^^^^ Not really. monitor failures are different from "i could only reach N out of M hosts" The rule below is the correct part, but we'll still poke the PE to be sure everything is ok. > > clone ping_clone ping \ > meta globally-unique=false clone-node-max=1 > > [...] > > location mgt-location mgt \ > rule -INFINITY: not_defined ping or ping number:lte 0 > > Thanks, > Riccardo > > -- > Riccardo Murri > http://www.gc3.uzh.ch/people/rm > > Grid Computing Competence Centre > University of Zurich > Winterthurerstrasse 190, CH-8057 Zürich (Switzerland) > Tel: +41 44 635 4222 > Fax: +41 44 635 6888 > > _______________________________________________ > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org
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