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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