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Old 08-24-2012, 07:53 PM
Tom H
Default Grub2: How to clone a bootable disk?

On Fri, Aug 24, 2012 at 1:34 PM, T Elcor <telcor@yahoo.com> wrote:
> I have two identical hard drives, one HD contains a bootable wheezy
> installation and I'd like to clone it to the other HD. My first idea was
> to use "dd" but since grub2 uses disk IDs in /boot/grub/devices.map
> and /etc/fstab then once the disk is cloned it probably will not boot,
> unless I fix the entries in the above files. To fix the files I need to
> know disk IDs and partition UUIDs... not sure how to get them. Is
> there an easier way to clone a bootable disk without editing grub2
> and fstab files?

"dd ..." should preserve the UUIDs but you can get the UUIDs from "blkid".

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