Re: split-brain with quorum enabled

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On 12/25/2014 08:05 PM, Alexey wrote:
Hi all,

We are using glusterfs setup with a quorum turned on and the configuration as the follows:

Nodes: 3
Type: Replicate
Number of Bricks: 1 x 3 = 3
cluster.quorum-type: fixed
cluster.quorum-count: 2
cluster.data-self-heal-algorithm: diff
cluster.server-quorum-ratio: 51%
glusterfs version: 3.5.3

Despite on the quorum is turned on sometimes we are still encounter a split-brain occurrence after shutting down one node or all nodes together/

Is this is a normal behavior? What conditions could lead to this and how to prevent split-brain occurence?
Could you please describe what is the kind of split-brain that happened?

Pranith

BR,
Alexey


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