Hi, On Sun, Jun 19, 2011 at 04:34:24PM +0200, Nikola Ciprich wrote: > Hello Andrew et al, > > few times, it happened to me, that cluster node got loaded too much > (especially I/O load), so cluster actions (monitor) started to timeout. > So cluster manager decided to restart services etc, thus causing even > higher load (especially when cluster has tens of services). Is there > any way, to tell that when loadavg reaches some threshold (ie 10), > manager should postpone all actions?
No. > Or is there some more elegant way to deal with this kind of situation? What do your monitor timeouts look like? You should probably adjust them. Take a look here for some notes about the problem: http://www.linux-ha.org/wiki/File:Linuxtag-09-ha-paper.pdf http://www.advogato.org/person/lmb/diary.html Thanks, Dejan > Thanks a lot in advance! > nik > > > -- > ------------------------------------- > Ing. Nikola CIPRICH > LinuxBox.cz, s.r.o. > 28. rijna 168, 709 01 Ostrava > > tel.: +420 596 603 142 > fax: +420 596 621 273 > mobil: +420 777 093 799 > > www.linuxbox.cz > > mobil servis: +420 737 238 656 > email servis: ser...@linuxbox.cz > ------------------------------------- > _______________________________________________ > 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://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker _______________________________________________ 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://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker