RE: Configuring grub2 on a backup disk

[jackie sparks]

keep in mind your uuid of the drive will change also here is page that specifies getting that information

http://liquidat.wordpress.com/2007/10/15/short-tip-get-uuid-of-hard-disks/

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> Subject: Configuring grub2 on a backup disk
> From: address@hidden
> To: address@hidden
> Date: Sun, 16 Oct 2011 19:46:52 -0500
>
>
> I'm running Ubuntu 10.04, and planning to upgrade. Before I do, though,
> I want to make sure my backup/restore processes work. My backups, of
> course, have been running since I first installed 10.04, but it's only a
> restore that can demonstrate that they have been running successfully.
>
> And I've found a problem. I don't know how to get grub2 configured
> correctly, on the restored disk.
>
> Currently, my running system is on /dev/sda, with /boot on /dev/sda1
> and / on /dev/mapper/desktop-root. (I'm using logical volumes.) This
> configuration has been running successfully for several years.
>
> My restore is on /dev/sdb, with /boot on /dev/sdb1 and /
> on /dev/mapper/desktop2-root.
>
> All of the files have been restored, and /etc/fstab has been edited, on
> the restored drive, to reflect the changed logical volume name.
>
> But I only have grub installed on /dev/sda, so /dev/sdb is not bootable.
>
> I'm not looking to do anything fancy. I'm not trying to dual boot, I
> just want to be able to boot from /dev/sdb, using /dev/sdb1 as /boot,
> and /dev/mapper/desktop2-root as /. In other words, I want to do
> to /dev/sdb exactly what running update-grub would do to /dev/sda, when
> I was booted off of /dev/sda.
>
> Any ideas?
>
>
>
>
>
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