Date: Thu, 21 Feb 2002 20:56:29 +0900 From: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp> To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) Cc: freebsd-scsi@FreeBSD.ORG, "Justin T. Gibbs" <gibbs@scsiguy.com> Subject: Re: RBC support patch Message-ID: <ybsit8rvyj6.wl@ett.sat.t.u-tokyo.ac.jp> In-Reply-To: <200202201936.g1KJaAO07448@uriah.heep.sax.de> References: <ybs1yfgybmq.wl@ett.sat.t.u-tokyo.ac.jp> <200202201936.g1KJaAO07448@uriah.heep.sax.de> <200202202359.g1KNxeI41069@aslan.scsiguy.com>
next in thread | previous in thread | raw e-mail | index | archive | help
At Wed, 20 Feb 2002 20:36:10 +0100 (MET), Joerg Wunsch wrote: > > Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp> wrote: > > > Another issue, there are many broken 'Direct Access' devices which > > don't support 'READ(6)/WRITE(6)' operations. > > They are not broken. READ(6)/WRITE(6) are not mandatory for direct > access devices by the standard, but READ(10)/WRITE(10) are. If this was true, FreeBSD is broken X-) At Wed, 20 Feb 2002 16:59:40 -0700, Justin T. Gibbs <gibbs@scsiguy.com> wrote: > > > What do you mean by "adjust dynamically"? > > If a 6 byte command fails with "command not supported", switch to > 10 byte commands, and retry the current transaction. As far as I > know, the devices do return a proper response. Those that don't, > we will still have to black list. > > -- > Justin This seems right way to go. /\ Hidetoshi Shimokawa \/ simokawa@sat.t.u-tokyo.ac.jp PGP public key: http://www.sat.t.u-tokyo.ac.jp/~simokawa/pgp.html To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?ybsit8rvyj6.wl>