Hi all, Kindly comment on the above behaviour
Regards, Ranjith On Tue, Sep 21, 2010 at 9:52 PM, Ranjith <[email protected]> wrote: > Hi all, > > I was testing the corosync cluster engine by using the testcpg exec > provided along with the release. I am getting the below behaviour > while testing some specific scenarios. Kindly comment on the expected > behaviour. > > 1) 3 Node cluster > > 1---------2---------3 > > a) suppose I bring the nodes 1&2 up, it will form a ring (1,2) > b) now bring up 3 > c) 3 sends join which restarts the membership process > d) (1,2) again forms the ring , 3 forms self cluster > e) now 3 sends a join (due to join or other timeout) > f) again membership protocol is started as 2 responds to this by going > to gather state ( i believe 2 should not accept this as 2 would have earlier > decided that 3 is failed) > > I am seeing a continuous loop of the above behaviour ( operational -> > membership -> operational -> ) due to which the cluster is not becoming > stabilized > > > 2) 3 Node Cluster > > 1---------2-----------3 > > a) bring up all the three nodes at the same time (None of the nodes > have seen each other before this) > b) Now each node forms a cluster by itself .. (Here i think it should > from either a (1,2) or (2,3) ring ) > > > Regards, > Ranjith >
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