On Tue, 03 Mar 2015 20:10:11 +0100, <nans_nans1 at yahoo.de> wrote: > now i tried it and yes, the mpt driver supports that controller, but the > writes are very slow: 16 MB/sec. > i think that is due to outdated driver or the write cache is missing. > how can i enable the write cache in dfly? See the mptutil(8) manual page, the "volume cache" command. Regards, Sascha