Public bug reported:
Binary package hint: gparted
If you use parted to Copy & Paste a partition, then it will have an
identical UUID.
While that may be the correct behaviour for pasting on a different disk,
when the partition is on the *same* disk (e.g. you want to migrate /home
to a separate partition without messing around with cpio/tar/cp) then
it's almost certainly incorrect behaviour.
In this day and age of mounting by UUID, having multiple partitions with the
same UUID is disastrous and very confusing:
* The output of "mount" is incorrect
* You have no idea which one is being mounted
* "umount" gets confused and refuses to let you unmount the correct partition
You can recreate this easily using a flash drive.
(This isn't a problem I have had personally, although I've recreated it;
it was reported to me on IRC)
Tested on gutsy/amd64:
ii gparted 0.3.3-2ubuntu6.1
GNOME partition editor
ii libparted1.7-1 1.7.1-5.1ubuntu8
The GNU Parted disk partitioning shared library
** Affects: gparted (Ubuntu)
Importance: Undecided
Status: New
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Copy & Pasted partition inherits an identical UUID
https://bugs.launchpad.net/bugs/192471
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