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 <[email protected]> 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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