From owner-freebsd-questions Wed Jul 4 16: 8:58 2001 Delivered-To: freebsd-questions@freebsd.org Received: from panzer.kdm.org (panzer.kdm.org [216.160.178.169]) by hub.freebsd.org (Postfix) with ESMTP id D565F37B403; Wed, 4 Jul 2001 16:08:53 -0700 (PDT) (envelope-from ken@panzer.kdm.org) Received: (from ken@localhost) by panzer.kdm.org (8.9.3/8.9.1) id RAA47136; Wed, 4 Jul 2001 17:08:44 -0600 (MDT) (envelope-from ken) Date: Wed, 4 Jul 2001 17:08:44 -0600 From: "Kenneth D. Merry" To: Kevin Hui Cc: freebsd-questions@FreeBSD.ORG, freebsd-hackers@FreeBSD.ORG Subject: Re: Raw disk access in userland Message-ID: <20010704170844.A47113@panzer.kdm.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2i In-Reply-To: ; from khui@cs.toronto.edu on Wed, Jul 04, 2001 at 05:58:58PM -0400 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Wed, Jul 04, 2001 at 17:58:58 -0400, Kevin Hui wrote: > Hi all, > > I'm wondering if *BSD have any support for user programs to access raw > disk devices, unbuffered. Such support is available under Linux: > > http://www.kernel.org/LDP/HOWTO/SCSI-2.4-HOWTO/rawdev.html > http://www2.linuxjournal.com/cgi-bin/linux/man.cgi?mode=search&comm=raw§=1 > > Any information regarding this would be appreciated. There are no block (i.e. buffered) devices in FreeBSD, only character devices. So you can access raw devices without having to go through all the hoops described above. Ken -- Kenneth Merry ken@kdm.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message