Is RedHat limit node's number, or corosync's code?
At 2017-07-06 11:11:39, "Digimer" <[email protected]> wrote: >On 2017-07-05 09:03 PM, mlb_1 wrote: >> Hi: >> I heard corosync-node's number limit to 16？ It's true？ And Why? >> Thanks for anyone's answer. >> >> >> >> https://specs.openstack.org/openstack/fuel-specs/specs/6.0/pacemaker-improvements.html >> >> >> >> * Corosync 2.0 has a lot of improvements that allow to have up to 100 >> Controllers. Corosync 1.0 scales up to 10-16 node > >There is no hard limit on how many nodes can be in a cluster, but Red >Hat supports up to 16. SUSE supports up to 32, iirc. The problem is that >it gets harder and harder to keep things stable as the number of nodes >grow. There is a lot of coordination that has to happen between the >nodes and it gets ever more complex. > >Generally speaking, you don't want large clusters. It is always advised >to break things up it separate smaller clusters whenever possible. > > >-- >Digimer >Papers and Projects: https://alteeve.com/w/ >"I am, somehow, less interested in the weight and convolutions of >Einstein’s brain than in the near certainty that people of equal talent >have lived and died in cotton fields and sweatshops." - Stephen Jay Gould
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