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Old 11-02-2003, 02:14 AM   #1
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Registered: Sep 2003
Posts: 6

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Angry Software RAID0 + Slack9.1

I'm trying to install Slack 9.1 on a software raid0 of 2 identical IDE drives, and everything seems to go well (no errors). BUT, when the system finally boots, it dies with "Kernel panic: VFS Unable to mount root FS on 09:00"

Here is what I did to install:
*Booted into slack installer
*Got root shell
*Partitioned like so (with cfdisk):

/dev/hda1 -- bootable, linux, ext3
/dev/hda2 -- linux ext3

/dev/hdb1 -- linux swap
/dev/hdb2 -- linux ext3

*Made an /etc/raidtab containing
raid-level 0
nr-raid-disks 2
chunk-size 32
persistent-superblock 1
raid-disk 0
raid-disk 1

*mkraid /dev/md0
*mke2fs -j -R stride=8 /dev/md0
*mke2fs -j /dev/hda1
*mount /dev/md0 /mnt
*mkdir /mnt/boot
*mount /dev/hda1 /mnt/boot
*setup (slack installed successfully)
(I used kernel "scsi.s" since I have an adaptec aic7890, but this isn't important since I don't use scsi anyway)
*cp /etc/raidtab /mnt/etc/raidtab
*Added this to /mnt/etc/fstab:

/dev/md0 / ext3 defaults 1 1
/dev/hda1 /boot ext3 defaults 1 2

*In /mnt/etc/lilo.conf:

root = /dev/fd2
got changed to;
root = /dev/md0

boot=/dev/hda1 (normal)

*lilo -C /mnt/etc/lilo.conf (success)
*Rebooted, lilo shows, boots linux...
*Kernel freaks out

If i reboot back into the slack installer shell, copy the /etc/raidtab back from a floppy backup I made, and do raidstart /dev/md0, then mount it, it works fine, and the whole file system is there also. It seems to be a problem with my fstab/kernel.

Any possible fix?

(PS, I adapted this howto to fit my hardware setup)


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