moving software RAIDed disks to other machine

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I just replaced two md-raided (RAID1) disks with bigger ones and decided 
to check out how far I get with them when I put them in another machine.
The kernel boots and then panics when it wants to mount the root 
filesystem on the disk.

md: Autodetecting RAID arrays
md: autorun
md: autorun DONE
< not sure if this means it was successful or failed, I rather think it 
failed because it doesn't list any md devices? >
Creating root device
Mounting root filesystem
EXT3-fs: unable to read superblock

I pxe-booted in rescue mode. Interestingly, the rescue mode detects and 
mounts the RAID partitions just fine and mdadm sees them all as healthy. 
It mounts them under /tmp/md0 and /tmp/md1. Shouldn't the installed system 
be able to do the same, mount under /dev/md0 and /dev/md1 and then find 
root on /dev/md1 as told by grub.conf? Or could it be that the installed 
system also mounts them under /tmp?

I'm not sure how I can troubleshoot this.

Kai

-- 
Kai Schätzl, Berlin, Germany
Get your web at Conactive Internet Services: http://www.conactive.com



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