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Date:      Sat, 26 Jan 2002 17:11:46 -0800
From:      Terry Lambert <tlambert2@mindspring.com>
To:        David Schultz <dschultz@uclink.Berkeley.EDU>
Cc:        "Gary W. Swearingen" <swear@blarg.net>, freebsd-chat@FreeBSD.ORG
Subject:   Re: Why dual boot?
Message-ID:  <3C5353D2.ACC62BD@mindspring.com>
References:  <3C4FBE5C.2AE8C65@mindspring.com> <20020123114658.A514@lpt.ens.fr> <20020123223104.SM01952@there> <3C4FBE5C.2AE8C65@mindspring.com> <4.3.2.7.2.20020124213809.00e6e5d0@localhost> <20020125131659.GB7374@hades.hell.gr> <3C51CD33.4E69B204@mindspring.com> <001b01c1a635$636a4170$0a00000a@atkielski.com> <20020126003431.A77505@HAL9000.wox.org> <y4wuy46bza.uy4@localhost.localdomain> <20020126164014.B810@HAL9000.wox.org>

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David Schultz wrote:
> Multiboot works just fine right now, but it's not going to resize your
> NTFS partition for you.  I previously argued that effort would be
> better spent fixing other things that can go wrong with the install,
> but Terry sez resizing NTFS should be easy.

The FreeBSD controllable part of it is the FreeBSD installer
partitioning.

Putting Partition Magic functionality into a free program is
a bit harder for Windows XP.  It requires the ability to
write to NTFS partitions, minimally.  Resizing is less of a
problem, but is still problematic (and still requires the
ability to write).

> That would be a neat idea, and it couldn't be hard to implement.
> After all, we can already create filesystems in memory.  Nevertheless,
> there are too many levels of indirection.  It would only be a
> marketing gimmick, not something suitable for long-term use.  At some
> point, the installer needs to work.

Yes.  Plus it could not really be safely read/write, unless
you mapped out the sectors in one large file, and only
modified them after getting their location from the NTFS.

There is currently no capability for getting the file sector
list for a file, within FreeBSD (interestingly, Windows has
the ability to do this, as an OS service).

No matter how you look at it, work is required.

I've been communicating the information to the Partition
Magic people, at least as far as necessary to modify the
way it works with Boot Magic and Partition Magic, and
Boot Magic hidden partition interactions.  Hopefully,
something will come of that.

-- Terry

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