From owner-freebsd-scsi Sat Jun 29 05:34:47 1996 Return-Path: owner-freebsd-scsi Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id FAA00394 for freebsd-scsi-outgoing; Sat, 29 Jun 1996 05:34:47 -0700 (PDT) Received: from mailbox.neosoft.com (mailbox.neosoft.com [206.109.1.16]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id FAA00389 for ; Sat, 29 Jun 1996 05:34:45 -0700 (PDT) Received: from bonkers.taronga.com (root@bonkers.neosoft.com [206.109.2.48]) by mailbox.neosoft.com (8.7.5/8.7.3) with SMTP id HAA09251 for ; Sat, 29 Jun 1996 07:34:43 -0500 (CDT) Received: (from peter@localhost) by bonkers.taronga.com (8.6.11/8.6.9) id HAA08596; Sat, 29 Jun 1996 07:32:07 -0500 Date: Sat, 29 Jun 1996 07:32:07 -0500 From: peter@taronga.com (Peter da Silva) Message-Id: <199606291232.HAA08596@bonkers.taronga.com> To: scsi@freebsd.org Subject: Re: help writing a new SCSI device driver In-Reply-To: <199606290954.FAA03755@hda.com> References: <199606290407.AAA11695@oscar.cc.gatech.edu> Organization: none Sender: owner-freebsd-scsi@freebsd.org X-Loop: FreeBSD.org Precedence: bulk >All drivers should support disconnection/reselection to permit >adequate bus utilization. The gains are great - you will tie up >the bus during disk seeks, etc. if you don't support it. The biggest problems would be with tapes, I would imagine, during rewinds and things like that. Some tape operations can take an extraordinarily long time...