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>
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[-- Attachment #1 --] 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. > > > > 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. > > 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 /? -- Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (FreeBSD) iD8DBQFGF7BQForvXbEpPzQRAvldAJ4t03XlyiAKfS3oXyzDqAv4Hgf0KwCdF5N6 G7m8aSKd5D7Cum6LeJLR8PQ= =JPy6 -----END PGP SIGNATURE-----
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