On Thu, Nov 08, 2018 at 04:26:51PM +0000, Sage Weil wrote: > 'foward' is unsafe--do not use it. 'proxy' is what you want. It is still used in "Removing a Writeback Cache" procedure in the upstream documentation [1] [1] http://docs.ceph.com/docs/master/rados/operations/cache-tiering/#removing-a-writeback-cache -- Mykola Golub