I don't know the official reason, but I would imagine the disparity in performance would lead to weird behaviors and very spiky overall performance. I would think that running a mix of SSD and HDD OSDs in the same pool would be frowned upon, not just the same server.
On Fri, Jun 12, 2015 at 9:00 AM, Dominik Zalewski <dzalewski@xxxxxxxxxxxxx> wrote:
Be warned that running SSD and HD based OSDs in the same server is not
recommended. If you need the storage capacity, I'd stick to the journals
on SSDs plan.Can you please elaborate more why running SSD and HD based OSDs in the same server is notrecommended ?ThanksDominik
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