Thanks Yannick I wasn't aware that master nodes relied on /data when there where dedicated entity in the stack. I've added a persistent volume for each of them and it's working great now 
Thank you very much
Dave
Thanks Yannick I wasn't aware that master nodes relied on /data when there where dedicated entity in the stack. I've added a persistent volume for each of them and it's working great now 
Thank you very much
Dave
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