Hello Eugen,
We used to have cache tiering (hdd+ssd) for openstack nova/glance in the past
before we move to nvme hardware. But we were not able to evict all objects
because it required to shutdown all virtual instances and then do the eviction.
So we decided to set the cache mode to "proxy" an
Hi,
A bit of history might help to understand why we have the cache tier.
We run openstack on top ceph since many years now (started with mimic, then an
upgrade to nautilus (years 2 ago) and today and upgrade to pacific). At the
beginning of the setup, we used to have a mix of hdd+ssd devices i
