Date: Sat, 5 Oct 2002 09:53:50 +0930 From: Greg 'groggy' Lehey <grog@FreeBSD.org> To: Robert Watson <rwatson@FreeBSD.ORG> Cc: Terry Lambert <tlambert2@mindspring.com>, Emiel Kollof <coolvibe@hackerheaven.org>, Peter Wemm <peter@wemm.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: <20021005002350.GR72541@wantadilla.lemis.com> In-Reply-To: <Pine.NEB.3.96L.1021004200338.70577U-100000@fledge.watson.org> References: <3D9E0DD8.1C9526DE@mindspring.com> <Pine.NEB.3.96L.1021004200338.70577U-100000@fledge.watson.org>
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On Friday, 4 October 2002 at 20:07:11 -0400, Robert Watson wrote: > > On Fri, 4 Oct 2002, Terry Lambert wrote: > >> The assumption here is that the devfs will be available to the system >> before the root is mounted transparently over it. This is also doable >> with an unmounted instance of the backing devfs, not yet mounted on >> /dev, if a transparent mount of / over top of a preexiting / -> /dev is >> not supported (i.e. devfs is mounted on /dev on the root FS, rather than >> the root FS being mounted on a backing node on which defvfs is already >> mounted on /, and the devices showing through as if they were on /). > > Actually, no -- Vinum doesn't know how to do that--the device name used in > this code originates in a userland ioctl() configuration call for Vinum. > However, here's a patch that makes Vinum use namei() to rely on devfs to > locate requested devices instead of parsing the device name and guessing > the device number (incorrectly with GEOM). Unfortunately, I almost > immediately run into a divide by zero due to a zero sector size. Jeff > Roberson mentioned to me he had a fix for this bug that he sent to Greg, > but that was never committed. FWIW, I've never seen this code. The dates on the patch suggest that it was made in the last quarter of an hour: > --- vinumio.c 21 Aug 2002 23:39:51 -0000 1.75 > +++ vinumio.c 5 Oct 2002 00:03:09 -0000 However: RCS file: /home/ncvs/src/sys/modules/vinum/Makefile,v revision 1.18 date: 2000/04/16 00:17:46; author: grog; state: Exp; lines: +1 -3 Remove MAINTAINER. Since that point, this particular file has had 5 updates, only one from me. Jeff's a committer; he can commit it himself if he wants. Greg -- See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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