Will this dual boot scheme work?

[Jim Byrnes]

On 11/20/2013 07:40 PM, Liam Proven wrote:
> On 21 November 2013 00:42, Jim Byrnes <jf_byrnes at comcast.net> wrote:
>> When I bought this machine it came with Windows 7.  At that time my only
>> need for windows was to run TurboTax and I could do that using XP in VBox so
>> I had no real need for Windows 7.  I unplugged the HD that came with the
>> computer and put in a new HD and installed Ubuntu 10.04.  When 10.04 was no
>> longer supported I pulled the Win 7 HD added a new HD and installed 12.04
>> and dual booted with 10.04.  With XP coming to end of life it looks like
>> TurboTax will no longer support XP so I want to dual boot Win 7 and 12.04.
>>
>> My bios will let me choose which HD to boot from.  Right now it brings up
>> grub from the HD containing 10.04 and then boots 12.04.  I would like to
>> pull the HD with 10.04 on it and replace it with the HD containing Win 7.
>> Then tell the bios to boot from the 12.04 HD.
>>
>> If I do this will grub on the 12.04 HD boot and find Win 7 as a bootable OS
>> and add it to the grub menu automatically so I can dual boot 12.04 and Win
>> 7?
>
> I think it should.
>
> If you can set the Windows drive to be first in the boot sequence,
> then boot the Ubuntu copy once - e.g. using a boot CD - and install
> GRUB to /dev/sda, then you should be able to run both side-by-side no
> problem.
>
> Windows /might/ complain if it finds itself on the 2nd drive when it
> was installed on the first, but Win7 is pretty grown-up in that regard
> and should cope. On my machine, disk 0 has Mac OS X, disk 1 has Win8,
> and a little of the space on the end of both has a copy of Ubuntu in
> it. If I boot disk 0 using the BIOS, I get MacOS, with an entry for
> Windows in the boot menu. If I boot disk 1 using the BIOS, I get the
> GRUB loader and can choose Windows or Ubuntu.
>
> Windows doesn't seem to care which way I use, even though with the
> first method it's on drive 1 and with the second method it's on drive
> 0 (IYSWIM).
>

Hi Liam,

This time simple just worked.  Everything worked as I hoped it would 
above with the addition of running update-grub as Pete reminded me to do.

Regards,  Jim