Hi Tom, I feel this is more an example than a general recommendation. In production we don't usually change weights for a three-node cluster. You may want to change weights in specific configurations only (e.g. 2 nodes in a datacenter and 1 node in another datacenter). Best, On Sun, Dec 27, 2015 at 2:43 PM Tom Worster <fsb@thefsb.org> wrote:
In the Galera docs <http://galeracluster.com/documentation-webpages/weightedquorum.html#weighted-quorum-for-three-nodes> I read
When configuring quorum weights for three nodes, use the following pattern:
node1: pc.weight = 2 node2: pc.weight = 1 node3: pc.weight = 0
Under this pattern, killing node2 and node3 simultaneously preserves the *Primary Component* <http://galeracluster.com/documentation-webpages/glossary.html#term-primary-component> on node1. Killing node1 causes node2 and node3 to become non-primary components.
The wording makes it sound as though this is a general recommendation. But, iiuc, this cluster of 3 nodes has a single point of failure: node1. How is this desirable?
Tom _______________________________________________ Mailing list: https://launchpad.net/~maria-discuss Post to : maria-discuss@lists.launchpad.net Unsubscribe : https://launchpad.net/~maria-discuss More help : https://help.launchpad.net/ListHelp
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