Hi all,
Found the problem/solution.
With the first cluster, I set it up with a ring size of 64. Prior to
loading data. I stopped the node(s), changed the ring size to 256, then
restarted.
Therefore, if I want to add a new node, I FIRST must start the node with
a ring size of 64, then stop it, change the conf for a ring size of 256,
then start, then stage, plan, and commit.
I am still not sure the relation ship with ring size and ring partitions.
Sincerely,
Robert
On 03/06/2016 02:10 PM, Robert Latko wrote:
Hi All,
I've got a cluster in 2.1.1 and was wanting to join a 2.1.3 node to it
I am getting the following error:
# ./bin/riak-admin cluster join a-backend@10.0.0.199
Failed: a-backend@10.0.0.199 has a different ring_creation_size
So... for the new 2.1.3
# ./bin/riak-admin status | grep ring
ring_creation_size : 256
ring_members : ['node-template@10.0.0.54']
*ring_num_partitions : 256*
ring_ownership : <<"[{'node-template@10.0.0.54',256}]">>
rings_reconciled : 0
rings_reconciled_total : 0
AND for node a-backend@10.0.0.199
# ./bin/riak-admin status | grep ring
ring_creation_size : 256
ring_members : ['a-backend@10.0.0.199','b-backend@10.0.0.200',
*ring_num_partitions : 64*
ring_ownership : <<"[{'b-backend@10.0.0.200',13},\n
{'c-backend@10.0.0.201',13},\n {'d-backend@10.0.0.202',13},\n
{'e-backend@10.0.0.203',12},\n {'a-backend@10.0.0.199',13}]">>
rings_reconciled : 0
rings_reconciled_total : 32
The 'ring_num_partitions' are different which leaves me to believe
this is the cause.
A.) How do I increase the 'ring_num_partitions' to 256 in the 2.1.1
cluster **OR**
B.) How do I decrease the 'ring_num_partitions' to 64 in the 2.1.3 node?
Any ideas? recommendations?
Thanks in advance,
Robert
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