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%.