Date: Sat, 7 Apr 2007 16:53:04 +0200 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Ceri Davies <ceri@submonkey.net> Cc: freebsd-arch@FreeBSD.org Subject: Re: Host ID. Message-ID: <20070407145304.GH63916@garage.freebsd.pl> In-Reply-To: <20070407132509.GJ90410@submonkey.net> References: <20070407120656.GD63916@garage.freebsd.pl> <20070407132509.GJ90410@submonkey.net>
next in thread | previous in thread | raw e-mail | index | archive | help
--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--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20070407145304.GH63916>