Re: Wheezy: Need some help making bootable HD with Grub.
On Sun 26 Apr 2015 at 05:31:41 -0700, Ldten K wrote:
> Need some help making bootable HD with Grub.
>
> I have two HDs of the same size:
> 1. /dev/sda - my old and working HD which has grub properly installed,
> the system boots and works properly. /dev/sda has the following
> partitions:
> /dev/sda1 /boot
> /dev/sda2 /
> /dev/sda3 swap
>
> 2. /dev/sdb, my new HD, it has the same structure as /dev/sda: sdb1
> (/boot), sdb2 (/) and sdb3 (swap), though the size of the partitions
> is slightly different. I want to transfer my data from sda to sdb
> (that part was done) and make sdb bootable. sdb will then be the only
> drive in the system.
>
> I ran "grub-install /dev/sdb" and it said that it completed without
> errors. The PC however fails to boot from the new drive, which was the
> only HD in the system at that time. After some delay the boot process
> drops me not even into the Grub CLI but into some "grub rescue>" CLI
> where even "help" command does not work. "ls" does work though.
You get the bare minimum with grub rescue>; not even TAB completion,
> Any ideas as to what needs to be done to make sdb bootable just like
> sda is?
You need to to get the system booting so that you run 'update-grub' and
maybe, for good measure, 'install-grub' prior to that command.
Let's see the output of 'ls', please.
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