From owner-freebsd-arch@FreeBSD.ORG Mon Apr 9 16:01:28 2007 Return-Path: X-Original-To: freebsd-arch@freebsd.org Delivered-To: freebsd-arch@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id C1FBE16A402; Mon, 9 Apr 2007 16:01:28 +0000 (UTC) (envelope-from max@love2party.net) Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.126.177]) by mx1.freebsd.org (Postfix) with ESMTP id 5833D13C44B; Mon, 9 Apr 2007 16:01:28 +0000 (UTC) (envelope-from max@love2party.net) Received: from [88.64.185.1] (helo=amd64.laiers.local) by mrelayeu.kundenserver.de (node=mrelayeu3) with ESMTP (Nemesis), id 0MKxQS-1HawJ42TYM-0001PB; Mon, 09 Apr 2007 18:01:27 +0200 From: Max Laier Organization: FreeBSD To: freebsd-arch@freebsd.org Date: Mon, 9 Apr 2007 16:01:22 +0200 User-Agent: KMail/1.9.5 References: <20070407120656.GD63916@garage.freebsd.pl> <20070409145620.GF76673@garage.freebsd.pl> In-Reply-To: <20070409145620.GF76673@garage.freebsd.pl> X-Face: ,,8R(x[kmU]tKN@>gtH1yQE4aslGdu+2]; R]*pL,U>^H?)gW@49@wdJ`H<=?utf-8?q?=25=7D*=5FBD=0A=09U=5For=3D=5CmOZf764=26nYj=3DJYbR1PW0ud?=>|!~,,CPC.1-D$FG@0h3#'5"k{V]a~.<=?utf-8?q?mZ=7D44=23Se=7Em=0A=09Fe=7E=5C=5DX5B=5D=5Fxj?=(ykz9QKMw_l0C2AQ]}Ym8)fU MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart2241738.o9RPf5h4Ll"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200704091601.27454.max@love2party.net> X-Provags-ID: V01U2FsdGVkX1+OUBqZu8+hjDyZw5OPi9xYB2AUUAFEFumGhAU ETwdTDFBQ6j9bl93PG/R+VP6PxwNAI3smtQRwfTPW75flZ5Gp0 4VRhaq6YrAdQ02y5bqR+Q== Cc: Pawel Jakub Dawidek Subject: Re: Host ID. X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Apr 2007 16:01:28 -0000 --nextPart2241738.o9RPf5h4Ll Content-Type: text/plain; charset="iso-8859-6" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Monday 09 April 2007 16:56, Pawel Jakub Dawidek wrote: > On Sat, Apr 07, 2007 at 02:06:56PM +0200, Pawel Jakub Dawidek wrote: > > Hi. > > > > After initial discussion on IRC, I'd like to propose an addition... > > I want to use it with ZFS, but I thought it may be useful in general, > > so here it goes: > > > > I'd like to assign a unique ID to the system on first boot. > > > > When system starts, /etc/rc.d/hostid script checks if /hostid file > > exists, if it doesn't, it creates it via 'uuidgen > /hostid'. > > > > It will also set kern.hostuuid sysctl to this value and first four > > bytes of MD5(kern.hostuuid) will be stored in kern.hostid. It will > > allow to use gethostid(3). > > > > If root file system is read-only, different uuid will be genrated on > > each boot. Not sure if anything better can be done here. > > > > As I said, I think it may be genrally useful. Imagine using it with > > magic/variant symlinks, for example. > > Here is the patch: > > http://people.freebsd.org/~pjd/patches/hostid.patch > > Any objections? I suppose: > Index: usr.bin/uuidgen/Makefile > ... > +BINDIR=3D /bin will be fixed by (repo)copy for the real commit? Otherwise, no. =2D-=20 /"\ Best regards, | mlaier@freebsd.org \ / Max Laier | ICQ #67774661 X http://pf4freebsd.love2party.net/ | mlaier@EFnet / \ ASCII Ribbon Campaign | Against HTML Mail and News --nextPart2241738.o9RPf5h4Ll Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (FreeBSD) iD8DBQBGGkc3XyyEoT62BG0RAuzmAJ9f5a6KkXJr/U8ZsUGpU7U0yhuAeQCePihe u9H+92XtNkbU8aW0/SVvrBo= =qX8H -----END PGP SIGNATURE----- --nextPart2241738.o9RPf5h4Ll--