Hi, On Wed, Jun 16, 2010 at 09:07:10AM -0400, Vadym Chepkov wrote: > > On Jun 16, 2010, at 2:55 AM, Andrew Beekhof wrote: > > > On Tue, Jun 15, 2010 at 9:41 PM, Dejan Muhamedagic <deja...@fastmail.fm> > > wrote: > > > >> colocation not-together -inf: d1 d2 d3 > > > > I think there is a problem with this syntax, particularly for +inf. > > > > Consider: > > colocation together1 inf: d1 d2 > > > > This means d1 must run where d2 is. > > > > But if I add d3: > > colocation together1 inf: d1 d2 d3 > > > > Now the original constraint is reversed and d2 must run where d1 is > > (think of how groups work). > > (Unless you're modifying the order). > > > > I think we need: > > no brackets: exactly 2 resources must be specified > > () brackets: a non-sequential set > > [] brackets: a sequential set > > > > > > Would something like this be a legitimate syntax then? > > colocation together-but-do-not-die 500: [ d1 d2 d3 ] anchor > > To combine different types in on constraint, basically?
You'd need either of the two: [ d1 d2 d3 ] ( anchor ) [ d1 d2 d3 ] [ anchor ] > The reason I am asking, I don't think it's possible to do > something like this now, isn't it? > > colocation together1 500: d1 d2 d3 > colocation together2 500: d4 d5 d6 > colocation together0 inf: together2 together1 That wouldn't be possible with the new notation either. 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
