On 06/14/2015 07:55 PM, Timothy Murphy wrote: > I seem to have partitions on two different disks > with the same UUID: > [tim at helen ~]$ sudo blkid /dev/sda2 > /dev/sda2: LABEL="/boot1" UUID="5bbc8e95-6108-41f5-bc0e-5b5f8df5ce03" > TYPE="ext3" > [tim at helen ~]$ sudo blkid /dev/sdb2 > /dev/sdb2: LABEL="/boot1" UUID="5bbc8e95-6108-41f5-bc0e-5b5f8df5ce03" > TYPE="ext3" > This is causing some confusion, as these are boot partitions, > and grub2 seems to be choosing the wrong one. > > I wonder how this occurred; > I thought different partitions on different disks > necessarily had different UUIDs? > > Maybe I used dd at some point. > Would this keep the same UUID? > Interesting. And I thought uuid's were supposed to be unique on a system.