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Date: Mon, 01 Nov 2004 23:00:47 -0500
From: Paul Check <paul@openstreet.com>
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Subject: [linux-lvm] LVM to LVM2 Kernel 2.6 migration, RAID 1
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Hi: I'm trying to get lvm2 running on a Debian box as I also migrate to 
2.6.  Unfortunately, I am not able to boot
into the 2.6 kernel, getting the "VFS: Unable to mount root fs.." error 
(from memory).

Now, my setup is that I DO NOT have /boot and / on LVM, but they are 
raided (RAID 1, hardware, adaptec) together: For FYI here is the output 
from df:

/dev/md1                303260    228986     58617  80% /
tmpfs                  1676944         0   1676944   0% /dev/shm
/dev/md0                155439     16761    130653  12% /boot
/dev/mapper/VGSystem-usr                        8773016   4147920   
4268584  50% /usr
/dev/mapper/VGSystem-var                       10321208    521336   
9275584   6% /var
/dev/mapper/VGSystem-home                   115894732   9249448 
103112976   9% /home
/dev/mapper/VGSystem-tmp                      495844      8253    
461991   2% /tmp
/dev/mapper/VGSystem-usr_local              4128448    676460   3242276  
18% /usr/local

I have read about setting up a mkinitrd script, although it seems that 
this is only needed if / is on lvm. I have Fusion MPT, RAID 1, SCSI 
disk, etc all compiled into the kernel.

Any ideas?

Cheers, Paul