Date: Wed, 22 Jul 2009 09:02:21 -0700 From: Randi Harper <randi@freebsd.org> To: Alexander Motin <mav@freebsd.org> Cc: Juli Mallett <jmallett@freebsd.org>, svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r195817 - head/usr.sbin/sysinstall Message-ID: <e277d6c80907220902i25b2ba66u2855fe9830d70057@mail.gmail.com> In-Reply-To: <4A66E9BE.2020603@FreeBSD.org> References: <200907220350.n6M3osaj030202@svn.freebsd.org> <4A66D0F4.4030108@FreeBSD.org> <eaa228be0907220157t6767adbdo77c1bf7144c1095b@mail.gmail.com> <4A66E9BE.2020603@FreeBSD.org>
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On Wed, Jul 22, 2009 at 3:28 AM, Alexander Motin <mav@freebsd.org> wrote: > Juli Mallett wrote: > > If you're interested in fixing this issue, you might want to look at > > the need for compatibility names so that existing DD installs aren't > > broken, and so DD installs work as-is without correcting libdisk's > > expectations about slice/partition names for DD disks, which is pretty > > invasive, too. Not breaking new installs by not letting users install > > broken systems is the absolute bare minimum approach, and given the > > late date and the lack of movement on the kernel side, I've been > > advocating for it for a while. > > > > See this message and others in the thread for some background: > > > > http://lists.freebsd.org/pipermail/freebsd-geom/2009-June/003567.html > > Sorry, ENOTIME. I am not advocating DD mode, it is really a hack. Offset > 0 is just an easiest choice to align FS. Instead, I would really like > sysinstall to honor real disk geometry instead of fake one. GEOM has > support for reporting disk stripe size/offset and some GEOM classes > already provide them. But sysinstall - the main tool which could benefit > from it - ignores it. This fix was intended - as Juli said - as a bare minimum approach until sysinstall/libgeom happens. Using GEOM would fix a lot of problems with sysinstall. I started poking at it a little while ago, but it's not going to be a minor change, certainly not something that is going to make it in anytime soon. -- randi
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