Re: boot ext2 on vfat
"Digital Infra, Inc." <[email protected]>
| Newsgroups | gmane.linux.debian.knoppix |
|---|---|
| Message-ID | <[email protected]> |
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/
>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
>_______________________________________________
>debian-knoppix mailing list
>[email protected]
>http://mailman.linuxtag.org/mailman/listinfo/debian-knoppix
>