Re: dealing with UUID duplication

[Bill Nottingham <notting redhat com>]

Felix Miata (mrmazda ij net) said: 
> When you do a sector level clone of a partition to another partition on the
> same disk, you wind up with two partitions assigned the same UUID. I have a
> disk with 16 partitions in /dev/disk/by-uuid and 23 in /dev/disk/by-path.
> This is not a problem in fstab, where I use LABELs instead of UUID. However,
> grub is refusing to cooperate, with error 12, which I suspect must be a fault
> of multiple UUIDs. Is there some utility that can change one or a group of
> UUIDs on a disk?

tune2fs -U

Bill