From owner-freebsd-questions@FreeBSD.ORG Sun Jan 20 14:20:45 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id CEA9716A469 for ; Sun, 20 Jan 2008 14:20:45 +0000 (UTC) (envelope-from rsmith@xs4all.nl) Received: from smtp-vbr4.xs4all.nl (smtp-vbr4.xs4all.nl [194.109.24.24]) by mx1.freebsd.org (Postfix) with ESMTP id 67D7C13C4F3 for ; Sun, 20 Jan 2008 14:20:45 +0000 (UTC) (envelope-from rsmith@xs4all.nl) Received: from slackbox.xs4all.nl (slackbox.xs4all.nl [213.84.242.160]) by smtp-vbr4.xs4all.nl (8.13.8/8.13.8) with ESMTP id m0KEKh9N051305; Sun, 20 Jan 2008 15:20:43 +0100 (CET) (envelope-from rsmith@xs4all.nl) Received: by slackbox.xs4all.nl (Postfix, from userid 1001) id 08369B82A; Sun, 20 Jan 2008 15:20:43 +0100 (CET) Date: Sun, 20 Jan 2008 15:20:43 +0100 From: Roland Smith To: Rakhesh Sasidharan Message-ID: <20080120142042.GA8576@slackbox.xs4all.nl> Mail-Followup-To: Rakhesh Sasidharan , freebsd-questions@freebsd.org References: <20080120161831.L62033@obelix.home.rakhesh.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="WIyZ46R2i8wDzkSu" Content-Disposition: inline In-Reply-To: <20080120161831.L62033@obelix.home.rakhesh.com> X-GPG-Fingerprint: 1A2B 477F 9970 BA3C 2914 B7CE 1277 EFB0 C321 A725 X-GPG-Key: http://www.xs4all.nl/~rsmith/pubkey.txt X-GPG-Notice: If this message is not signed, don't assume I sent it! User-Agent: Mutt/1.5.17 (2007-11-01) X-Virus-Scanned: by XS4ALL Virus Scanner Cc: freebsd-questions@freebsd.org Subject: Re: Fixing a USB disk to a specific device name X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 20 Jan 2008 14:20:45 -0000 --WIyZ46R2i8wDzkSu Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Jan 20, 2008 at 04:23:58PM +0400, Rakhesh Sasidharan wrote: >=20 > Hi, >=20 > Is it possible to assign a specific device name to a USB disk? As in, say= I=20 > have 2 USB disks -- currently they appear as da0 and da1. One of these=20 > (da0) contains the key for a GELI encrypted partition, and so I mount it= =20 > from fstab while booting (to get the key). Yes, more or less. =20 > What I'd like to know is whether there's any way for me to ensure that th= e=20 > da0 disk always appears as da0. I don't want it that tomm I plug in anoth= er=20 > disk (or change the order of disks, though I'll be more careful with that= )=20 > and suddenly da0 is no longer at da0! That would hamper the boot process= =20 > ... not nice. It is possible, but not as daX. Use the glabel(8) utility to label your disks. They will show up as /dev/label/ The daX devices are created as the device is plugged in, so AFAIK it's impossible to permanently assign them a certain daX device. Roland --=20 R.F.Smith http://www.xs4all.nl/~rsmith/ [plain text _non-HTML_ PGP/GnuPG encrypted/signed email much appreciated] pgp: 1A2B 477F 9970 BA3C 2914 B7CE 1277 EFB0 C321 A725 (KeyID: C321A725) --WIyZ46R2i8wDzkSu Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFHk1i6EnfvsMMhpyURApgSAJ93TfY784GmJ8wla3v6R8nXrnbmzgCfVEti yruY0Dy8dj9bgY8ACDUV6PU= =bKzJ -----END PGP SIGNATURE----- --WIyZ46R2i8wDzkSu--