Thanks for the link - its the first time I heard about this having come
to Ubuntu after Edgy and from SuSe 9.2. I long as I have known Linux,
IDE disk devices have always been entirely predictable from the cabling.
It's the SCSI, SATA and USB drives that have a predictability problem -
so I am not sure that messing with them was worth the effort. BTW, the
bug also affects tapes. My IDE attached tape changed from /dev/ht0 to
/dev/st0 at the same time!

Going back to an earlier backup, this is what my fstab looked like
before the upgrade to 8.04:

# /etc/fstab: static file system information.
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
proc            /proc           proc    defaults        0       0
# /dev/hda6
UUID=9d716e44-0a7f-4abb-abd1-6f7cf8dc0173 /               ext3    
defaults,errors=remount-ro 0       1
# /dev/hda5
UUID=03826fd9-2e03-4510-b630-f1e849c87f1d none            swap    sw            
  0       0
/dev/hdc        /media/cdrom0   udf,iso9660 user,noauto     0       0
/dev/md0 /raiddisk reiserfs rw,acl,user_xattr 0 0
/dev/fd0        /media/floppy0  auto    rw,user,noauto  0       0

Note that the /dev/hda entries had been commented out. I assume this is
by the Ubuntu installer as I don't remember doing this. I am not
surprised to see this as hard linking a system disk to a UUID seems to
be a good way of making it difficult to recover from a broken system
disk. The RAID 1 arrar has a reiserfs file system for the simple reason
that the system was upgraded from Suse 9.2 by replacing the system disk
and then adding the RAID array from the original system.

I have been scanning the literature to see how to build a RAID array by
UUID, but can't seen to find anything on this. Looks like you have to
know the device names before you can assemble a RAID array - so UUIDs
don't help much here.

-- 
Upgrade to 8.04 (Hardy) trashed RAID Array
https://bugs.launchpad.net/bugs/224171
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