Re: [debian-knoppix] boot ext2 on vfat
Le mer 24/03/2004 à 10:44, Digital Infra, Inc. a écrit :
> Hello.
>
> Media Lab, Inc. (Tokyo) did same stuff already.
> I think you should try this first.
> It can boot from c:/NTFS/loop/diskimage with NTLDR.
> If you use XP/2K, and understand Japanese (No way!), Download this.
> ftp://www.mlb.co.jp/pub/linux/mld7/mld7hwtest.exe
>
> Okajima, Jun.
> President, Digital Infra, Inc. Tokyo, Japan.
> http://www.digitalinfra.co.jp/
> http://www.colinux.org/
>
Great, il seems that it's technicaly ok and available, then it should be
usable and stable for real use. If i find time i'll try do do it.
Thanks !
> >Hi mammique,
> >
> >On Thu, Mar 18, 2004 at 21:02:54 +0100, mammique wrote:
> >
> >> i'd like to know if it's possible, if anybody thought/tried, to boot
> >> from a virtual ext2 partition (containing the system) wich is file on
> >> vfat ? The file could be created from a knoppix-cd during HD
> >
> >It is possible. I just did a quick and dirty hack on an older version
> >of knx-hdinstall. I hardcoded the parts for creating and mounting
> >the ext2 container file (knx.img). After the file copying step, you must
> >change the rootfs fstab entry to:
> >/dev/loop0 / ext2 defaults,errors=remount-ro 0 1
> >
> >The tricky part is the initial ramdisk. It must mount the vfat
> >partition first, then assign the ext2 container file to /dev/loop0
> >and tell the kernel to use /dev/loop0 as root device:
> >
> >#!/bin/sh
> ># this is /linuxrc
> >insmod /modules/loop.o
> >mount -t vfat /dev/hda1 /mnt/dosfs
> ># use knx.img for loop0
> >losetup /dev/loop0 /mnt/dosfs/knx.img
> >mount -t proc proc /proc
> ># 1792 = 7*256+0 = loop0
> >echo 1792 > /proc/sys/kernel/real-root-dev
> >umount /proc
> >
> >Kernel and initrd must be loaded off the vfat partition by loadlin.exe
> >running in real dos mode. Note that this is only possible when using
> >Win95/98/ME.
> >
> >WinNT/2k/XP do not have real dos mode, so loadlin.exe cannot run.
> >
> >bye,
> > Chris
> >--
> >Christian Perle chris AT linuxinfotag.de
> >Grunaer Str. 31 http://silmor.de/~chris/
> >01069 Dresden LinuxGuitarKitesBicyclesBeerPizzaRaytracing
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> >
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--
mammique <mammique@lamenagerie.com>
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