[ClusterLabs] About Corosync up to 16 nodes limit
mlb_1 at 163.com
Wed Jul 5 23:27:33 EDT 2017
Is RedHat limit node's number, or corosync's code?
At 2017-07-06 11:11:39, "Digimer" <lists at alteeve.ca> wrote:
>On 2017-07-05 09:03 PM, mlb_1 wrote:
>> I heard corosync-node's number limit to 16？ It's true？ And Why?
>> Thanks for anyone's answer.
>> * 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.
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