Date: Fri, 04 Oct 2002 17:24:10 -0700 From: Peter Wemm <peter@wemm.org> To: Greg 'groggy' Lehey <grog@FreeBSD.org> Cc: Terry Lambert <tlambert2@mindspring.com>, Emiel Kollof <coolvibe@hackerheaven.org>, Poul-Henning Kamp <phk@critter.freebsd.dk>, n0go013 <ttz@blahdeblah.demon.co.uk>, current <freebsd-current@FreeBSD.ORG> Subject: Re: [ GEOM tests ] disklabel warnings and vinum drives lost Message-ID: <20021005002410.1443B2A89E@canning.wemm.org> In-Reply-To: <20021005001422.GP72541@wantadilla.lemis.com>
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Greg 'groggy' Lehey wrote:
> On Friday, 4 October 2002 at 16:03:24 -0700, Peter Wemm wrote:
> > Terry Lambert wrote:
> >> Emiel Kollof wrote:
> >>> * Peter Wemm (peter@wemm.org) wrote:
> >>>> vinum is so much unbelievable stuff in it. Consider this stuff:
> >>>>
> >>>> sys/dev/vinum/vinumio.c:
> >>
> >> [ ... ]
> >>
> >>>> This crud has *got* to be taken out and shot, then reworked to do it
> >>>> properly.
> >>>
> >>> Amen! (and no, I'm not volunteering. I don't mind cleaning up code, but t
he
> > re
> >>> are limits to what crud I touch)
> >>
> >>
> >> FWIW:
> >>
> >> The comment right before that code is:
> >>
> >> /*
> >> * Yes, Bruce, I know this is horrible, but we
> >> * don't have a root file system when we first
> >> * try to do this. If you can come up with a
> >> * better solution, I'd really like it. I'm
> >> * just putting it in now to add ammuntion to
> >> * moving the system to devfs.
> >> */
> >>
> >> ...basically, when devfs became default, the person who made it
> >> default did not maintain this code, when they converted everything
> >> else over to using it.
> >>
> >> The assumption here is that the devfs will be available to the
> >> system before the root is mounted transparently over it.
> >
> > Actually no, this is only used *after* root is mounted.
>
> Now. Vinum supported the root file system years ago, but there were
> objections to the code. This was a temporary hack which was supposed
> to go away quickly, but then there was some pressure for me to give up
> maintainership, so I did, and Vinum has had very little maintenance
> since.
I had a look around and couldn't find any real traces of it in the
cvs history. I recall a patch being posted somewhere but do not remember
it being committed for some reason (bootblock issues?).
> >> Another alternative is to disable support for mounting vinum plexes
> >> as the root filesystem, which is what this code supposedly
> >> supports.
> >
> > Nope. Vinum doesn't support booting with a plex as a root file
> > system. I can't quite say that I understand what this is for though.
> > namei() etc are perfectly usable at this point.
>
> It did.
.. but not committed to FreeBSD as far as I can tell.
Cheers,
-Peter
--
Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com
"All of this is for nothing if we don't go to the stars" - JMS/B5
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