Phanidhar, If you don't have any location rules in your cluster, you can try setting "resource-stickiness=1" or "resource-stickiness=100". That will do the same job as INFINITY if there is no other location rules in the cluster. Also, there is a way to see current state of scores in the cluster, which helps a lot =). Try this command:
# crm_simulate -Ls Thank you, Kostia On Fri, Nov 18, 2016 at 12:01 PM, phanidhar prattipati < p.phanid...@gmail.com> wrote: > Thanks for the prompt reply Ken. > > In my configuration none of my resource have any node priorities set but > in 3 node when one nodes goes down and is added back to the cluster some > times resources are getting struck between newly added node and on other > node where it is presently running after setting resource stickiness to > INFINITY and also sometimes i am getting CPU struck for 30 seconds error > message and reboots the other node. > > So want sure if its right way of doing it. > > Thanks, > Phanidhar > > > > On Fri, Nov 18, 2016 at 1:16 AM, Ken Gaillot <kgail...@redhat.com> wrote: > >> On 11/17/2016 06:41 PM, phanidhar prattipati wrote: >> > Good Morning All, >> > >> > I have configured HA on 3 nodes and in order to disable automatic fail >> > over i need to set resource stickiness value and not sure how to >> > calculate it. Currently i set it o INFINITY which i believe is not the >> > right way of doing it. Any pointers how to calculate based on the >> > environment set up will be really great help? >> > >> > >> > -- >> > Thanks, >> > Phanidhar >> >> INFINITY is fine -- many people use that for stickiness. >> >> It's simply a matter of preference. How it matters is when weighing >> against other scores in your configuration. >> >> For example, let's say you have a resource R with a location constraint >> preferring node N, and you have resource stickiness. >> >> If N crashes or is shut down, R will move to another node. When N comes >> back, R will stay on the other node, if the resource stickiness is >> higher than the location constraint's score; it will move back to N, if >> the location constraint's score is higher. >> >> A score of INFINITY means never move back, as long as the new node stays >> up. >> >> _______________________________________________ >> Users mailing list: Users@clusterlabs.org >> http://clusterlabs.org/mailman/listinfo/users >> >> Project Home: http://www.clusterlabs.org >> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf >> Bugs: http://bugs.clusterlabs.org >> > > > > -- > Thanks, > Phanidhar > 07725162795 > > _______________________________________________ > Users mailing list: Users@clusterlabs.org > http://clusterlabs.org/mailman/listinfo/users > > 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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