On Thu, Apr 21, 2011 at 12:36 PM, ronnie sahlberg <ronniesahlb...@gmail.com> wrote: > I understand. > > Let me re-send a patch tomorrow that can optionally enable/force FUA > bits for write. > There are some high-volume arrays that advertise support but fail any > cdb with FUA, FUA_NV bits set with sense, so it needs to be made optional.
Maybe we should just disable write cache on the LUN (setting WCE=0) if cache=writethrough? Then we don't need to worry about FUA or synchronize cache. Stefan
