Certainly with a small number of nodes / osd this makes sense as to lose a node could quickly make the cluster storage capacity be full very quickly. On Friday, February 5, 2021, Pascal Ehlert <pascal@hacksrus.net> wrote:
Sorry to jump in here, but would you care to explain why the total disk usage should stay under 60%? This is not something I have heard before and a quick Google search didn't return anything useful.
Steven Pine wrote on 04.02.21 20:41:
There are a lot of hidden costs in using ceph which can vary depending on usage needs, such as having spare io for recovery operations or ensuring your total cluster disk usage stays below 60%.
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