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Headrush
Watchman
Joined: 06 Nov 2003
Posts: 5597
Location: Bizarro World
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 Posted: Sat Sep 18, 2004 12:55 am Post subject: Can't boot Reiser4 drive |
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I have two identical hard drives on my system. One is /dev/hde and the other is /dev/hdg. The HD on /dev/hde is referenced as /dev/md0 since it is part of an old RAID. (The second drive of md0 drive is gone.)
So /dev/md0 holds my root system, and an ext2 partition at /dev/hde1 is mounted at /boot.
My relevant parts of my /boot/grub/grub.conf file looks like this:
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# For /dev/hdg2
title Gentoo Linux Test
kernel (hd0,0)/boot/kernel-2.6.9-rc2-nitro1 root=/dev/hdg2 video=vesafb:ywrap,mtrr,1024x768-32@60 splash=silent
# For /dev/md0
title Gentoo Linux
kernel (hd0,0)/boot/kernel-2.6.9-rc2-nitro1 root=/dev/md0 video=vesafb:ywrap,mtrr,1024x768-32@60 splash=silent
initrd /boot/fbsplash
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Partition hdg1 is my swap, and hdg2 is my reiser4 partition.
My relevant part in my /etc/fstab on the md0:
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/dev/hdg1 none swap sw
/dev/md0 / reiserfs noatime,notail 1 1
/dev/hde1 /boot ext2 noatime,notail 1 2
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My relevant part in my /etc/fstab on the hdg2:
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/dev/hdg1 none swap sw
/dev/hdg2 / reiser4 noatime,notail 1 1
/dev/hde1 /boot ext2 noatime,notail 1 2
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I have updated grub to a newer version that has support for reiser4.
I have mounted the hdg2 reiser4 partition and copied all the files from md0 and made the correct directories. (/proc /sys, etc)
I can boot fine into the md0 partition.
When I try to boot into the hdg2 partition it starts, but it uses md0 partition as the root also.
Checking dmesg, the kernel is using /dev/md0 as root, so I guess grub is reading from the partition from which it saw on install?
Any suggestions or pointers? |
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che
n00b
Joined: 20 Jul 2004
Posts: 24
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| Posted: Mon Sep 20, 2004 10:08 pm Post subject: Re: Can't boot Reiser4 drive |
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| jubenvi wrote: |
My relevant part in my /etc/fstab on the md0:
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/dev/hdg1 none swap sw
/dev/md0 / reiserfs noatime,notail 1 1
/dev/hde1 /boot ext2 noatime,notail 1 2
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shouldn't the second line be
| Code: | | /dev/md0 / reiser4 noatime,notail 1 1 |
you have "reiserfs" there, which is reiserfs 3.x |
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black hole sun
Apprentice
Joined: 14 Aug 2004
Posts: 245
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| Posted: Mon Sep 20, 2004 10:39 pm Post subject: Re: Can't boot Reiser4 drive |
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| jubenvi wrote: | | you have "reiserfs" there, which is reiserfs 3.x |
lol, that's your problem, che 
Also, reiser4 AFAIK doesn't use the "notail" option like ReiserFS did, I suggest removing it.
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Running Slackware Linux (I no longer use Gentoo, but I still like this forum  ) |
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Headrush
Watchman
Joined: 06 Nov 2003
Posts: 5597
Location: Bizarro World
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| Posted: Tue Sep 21, 2004 5:18 am Post subject: |
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/dev/md0 is a reiserfs partition. Hence the /etc/fstab file contains a partition type of reiserfs.
The partition on /dev/hdg2 is the reiser4 partition. The /etc/fstab file on that partition correctly says reiser4.
Maybe someone can clarify the boot sequence for me.
Grub is set initially to point to the /boot partition.
On boot, grub reads the grub.conf file found in /boot. (Which was set when grub was installed)
From the grub.conf file it determines the kernel to load and the location of the root / partition.
So the /etc/fstab file is read from whichever partition root= is set to in grub.conf? |
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