Date: Mon, 9 Apr 2007 16:01:22 +0200 From: Max Laier <max@love2party.net> To: freebsd-arch@freebsd.org Cc: Pawel Jakub Dawidek <pjd@freebsd.org> Subject: Re: Host ID. Message-ID: <200704091601.27454.max@love2party.net> In-Reply-To: <20070409145620.GF76673@garage.freebsd.pl> References: <20070407120656.GD63916@garage.freebsd.pl> <20070409145620.GF76673@garage.freebsd.pl>
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--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--
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