From owner-freebsd-arch@FreeBSD.ORG Sat Apr 7 14:53:21 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 A1D5F16A402 for ; Sat, 7 Apr 2007 14:53:21 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: from mail.garage.freebsd.pl (arm132.internetdsl.tpnet.pl [83.17.198.132]) by mx1.freebsd.org (Postfix) with ESMTP id 4434F13C45E for ; Sat, 7 Apr 2007 14:53:21 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: by mail.garage.freebsd.pl (Postfix, from userid 65534) id DDE69487FB; Sat, 7 Apr 2007 16:53:19 +0200 (CEST) Received: from localhost (cvl74.internetdsl.tpnet.pl [83.19.93.74]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.garage.freebsd.pl (Postfix) with ESMTP id 76783487F3; Sat, 7 Apr 2007 16:53:11 +0200 (CEST) Date: Sat, 7 Apr 2007 16:53:04 +0200 From: Pawel Jakub Dawidek To: Ceri Davies Message-ID: <20070407145304.GH63916@garage.freebsd.pl> References: <20070407120656.GD63916@garage.freebsd.pl> <20070407132509.GJ90410@submonkey.net> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="WRT3RXLOp/bBMgTI" Content-Disposition: inline In-Reply-To: <20070407132509.GJ90410@submonkey.net> X-PGP-Key-URL: http://people.freebsd.org/~pjd/pjd.asc X-OS: FreeBSD 7.0-CURRENT i386 User-Agent: mutt-ng/devel-r804 (FreeBSD) X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on mail.garage.freebsd.pl X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=BAYES_00,RCVD_IN_NJABL_DUL autolearn=no version=3.0.4 Cc: freebsd-arch@FreeBSD.org 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: Sat, 07 Apr 2007 14:53:21 -0000 --WRT3RXLOp/bBMgTI Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Apr 07, 2007 at 02:25:09PM +0100, Ceri Davies wrote: > On Sat, Apr 07, 2007 at 02:06:56PM +0200, Pawel Jakub Dawidek wrote: > > Hi. > >=20 > > 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: > >=20 > > I'd like to assign a unique ID to the system on first boot. > >=20 > > When system starts, /etc/rc.d/hostid script checks if /hostid file > > exists, if it doesn't, it creates it via 'uuidgen > /hostid'. > >=20 > > 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). > >=20 > > If root file system is read-only, different uuid will be genrated on > > each boot. Not sure if anything better can be done here. >=20 > Can we put it in /etc ? That would allow setups like nanobsd to benefit > too. I think we can... I just want it to be available always. What is the reason to keep entropy file in /? --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --WRT3RXLOp/bBMgTI Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (FreeBSD) iD8DBQFGF7BQForvXbEpPzQRAvldAJ4t03XlyiAKfS3oXyzDqAv4Hgf0KwCdF5N6 G7m8aSKd5D7Cum6LeJLR8PQ= =JPy6 -----END PGP SIGNATURE----- --WRT3RXLOp/bBMgTI--