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Re: Configuring grub2 on a backup disk

From: Gregg Levine
Subject: Re: Configuring grub2 on a backup disk
Date: Sun, 16 Oct 2011 22:48:27 -0400

On Sun, Oct 16, 2011 at 10:35 PM, jackie sparks
<address@hidden> wrote:
> keep in mind your uuid of the drive will change also here is page that
> specifies getting that information
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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?

While I agree to all that this display of discussions is certainly
necessary. I do not see a reason for the extremely long signature on
your responses. Please desist from posting those links, and that
disclaimer. This list is stored on a publicly searchable site. Which
means we can't redact your e-mail address or postings. I might add I'm
not a manager for this list, that's done on a different one. Here I
only subscribe like all of you.

Gregg C Levine address@hidden
"This signature fought the Time Wars, time and again."

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