Hi, On Sat, Nov 20, 2010 at 09:40:31AM -0500, Vadym Chepkov wrote: > Hi, > > crm has a nice placement constraint syntax > > location loc1 res1 inf: node1 > > which is a shortcut for > > location loc1 res1 inf: rule #uname eq node1
That's not so. The shortcut is in the XML not the shell. The shell just shows it as it is coded in the CIB. > Sometimes, in otherwise symmetric cluster, there are some resources that have > to be running on a certain node, > so one has to create an anti-placement constraint, to prevent it from running > anywhere else: > > location loc2 res2 -inf: rule #uname ne node2 > > It would be nice to be able to short cut it too, don't you think? > > location loc2 res2 -inf: !node2 This use case is seldom, so there probably won't be any extensions to support it. Thanks, Dejan > Thanks, > Vadym > _______________________________________________ > 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