Yan is our utilization expert, lets see if he can provide some direction here :-)
-- Andrew 2011/4/18 Yuusuke IIDA <iiday...@intellilink.co.jp>: > Hi, Andrew > > I want to disperse using a resource placement strategy function of > Pacemaker-1.1 > in the fail-over point of the resource in N to N environment. > > After testing a function by the following setting, there was the pattern that > the dispersion of the resource was not carried out. > * 1ACTIVE: 2PASSIVE > * placement-strategy=balanced > * capacity of 2PASSIVE is a tie score > > * Initial state > Online: [srv-b1 srv-b2 srv-a1] > Full list of resources: > main_rsc1 (ocf::pacemaker:Dummy): Started srv-a1 > main_rsc2 (ocf::pacemaker:Dummy): Started srv-a1 > main_rsc3 (ocf::pacemaker:Dummy): Started srv-a1 > > # crm configure ptest utilization > Utilization information: > Original: srv-b2 capacity: capacity=3 > Original: srv-b1 capacity: capacity=3 > Original: srv-a1 capacity: capacity=3 > calculate_utilization: main_rsc1 utilization on srv-a1: capacity=1 > calculate_utilization: main_rsc2 utilization on srv-a1: capacity=1 > calculate_utilization: main_rsc3 utilization on srv-a1: capacity=1 > Remaining: srv-b2 capacity: capacity=3 > Remaining: srv-b1 capacity: capacity=3 > Remaining: srv-a1 capacity: capacity=0 > > * When it is dispersed definitely > When I produced trouble in a resource in order of next, I disperse and am > placed > in the node that the remainder of capacity has a big. > > main_rsc1 -> main_rsc2 -> main_rsc3 > > Online: [srv-b1 srv-b2 srv-a1] > Full list of resources: > main_rsc1 (ocf::pacemaker:Dummy): Started srv-b1 > main_rsc2 (ocf::pacemaker:Dummy): Started srv-b2 > main_rsc3 (ocf::pacemaker:Dummy): Started srv-b1 > > # crm configure ptest utilization > Utilization information: > Original: srv-b2 capacity: capacity=3 > Original: srv-b1 capacity: capacity=3 > Original: srv-a1 capacity: capacity=3 > calculate_utilization: main_rsc1 utilization on srv-b1: capacity=1 > calculate_utilization: main_rsc2 utilization on srv-b2: capacity=1 > calculate_utilization: main_rsc3 utilization on srv-b1: capacity=1 > Remaining: srv-b2 capacity: capacity=2 > Remaining: srv-b1 capacity: capacity=1 > Remaining: srv-a1 capacity: capacity=3 > > * When it is not dispersed well > When I produced trouble in a resource in order of next, I am partial, and the > resource is placed in one node. > > main_rsc3 -> main_rsc2 -> main_rsc1 > > Online: [srv-b1 srv-b2 srv-a1] > Full list of resources: > main_rsc1 (ocf::pacemaker:Dummy): Started srv-b1 > main_rsc2 (ocf::pacemaker:Dummy): Started srv-b1 > main_rsc3 (ocf::pacemaker:Dummy): Started srv-b1 > > # crm configure ptest utilization > Utilization information: > Original: srv-b2 capacity: capacity=3 > Original: srv-b1 capacity: capacity=3 > Original: srv-a1 capacity: capacity=3 > calculate_utilization: main_rsc1 utilization on srv-b1: capacity=1 > calculate_utilization: main_rsc2 utilization on srv-b1: capacity=1 > calculate_utilization: main_rsc3 utilization on srv-b1: capacity=1 > Remaining: srv-b2 capacity: capacity=3 > Remaining: srv-b1 capacity: capacity=0 > Remaining: srv-a1 capacity: capacity=3 > > I think that this problem occurs by difference in order of handling of > resource. > I attach hb_report when a problem occurred. > Is this movement a bug? > Or does my setting make a mistake of any? > > Best Regards, > Yuusuke IIDA > -- > ---------------------------------------- > METRO SYSTEMS CO., LTD > > Yuusuke Iida > Mail: iiday...@intellilink.co.jp > ---------------------------------------- > > _______________________________________________ > 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
