On 2013-01-23T13:22:10, Alex Sudakar <[email protected]> wrote:
> In such a situation I thought that, hopefully, all the nodes would
> still 'see' each other, all three in the one cluster partition, with C
> relaying knowledge of A & B to each other. That's why, I thought,
> Corosync calls its circuits 'rings', after all; presumably nodes don't
> have to have direct links to every other node?
This assumption is false. All nodes need direct connectivity to the
others. Corosync does not implement a routing protocol like OSPF/RIP
etc.
If a subset of nodes can't communicate, corosync will do a reasonable
job of identifying the largest fully connected subset which should then
form the ring.
Regards,
Lars
--
Architect Storage/HA
SUSE LINUX Products GmbH, GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB
21284 (AG Nürnberg)
"Experience is the name everyone gives to their mistakes." -- Oscar Wilde
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