Bug 73634

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Description of problem:
When there is more than one ext2/3 partitions with the same label, the
``wrong one'' may be mounted, and in addition /etc/mtab may
get wrong information.


Version-Release number of selected component (if applicable):
mount-2.11n-12

How reproducible:
Always

Steps to Reproduce:
1. One needs two partitions with the same LABEL (in my case, on two
hard drives, both of which have one with LABEL=/ and one with LABEL=/data),
which is referenced in /etc/fstab only once.
2. Boot the system
3. Look at output of df and cat /etc/mtab
	

Actual Results:  
1. In my case, after boot the /data partition was mounted from the
second hard drive;
2. But the root partition was mounted from the first (correctly...);
3. And yet df and /etc/mtab indicate that the root partition from the
second hard drive is mounted

Expected Results:  
1. For the /data partition, I was surprised, but I guess this is 
understandable, although maybe a message during mount might have been
helpful
2. For the second, although it's good that the correct root partition
is mounted, this should also be indicated in /etc/mtab


Additional info:

This is a possible issue when using a hard-drive from one computer
on another one, since many partitions would then have duplicate
labels. In the case above, the second root partition contains 
/usr, /home, /usr/local, so I don't know what would happen in
case those were separate. This might be a problem, or simply
something surprising.

/dev/hda is the main HD, with the ``right'' root partition
/dev/hdd is a second HD from another RH 7.3 computer.

Version of mount :
mount-2.11n-12

It looks like this could be related to bugs 72019 and/or 57286.