Backup and Restore MBR

[Mike McCarty]

Charles Curley wrote:
> On Sun, Dec 10, 2006 at 09:18:09AM -0600, Aaron Konstam wrote:
> 
>>On Sun, 2006-12-10 at 07:01 +0530, Vivek J. Patankar wrote:
>>
>>>On 12/10/06, Hadders <fedora at workingwithit.com> wrote:
>>>
>>>>I'm going to install Vista (dual-boot) and was wondering if it was easy
>>>>to just back it up rather than running grub?
>>>
>>># dd if=/dev/hda of=/path/filename bs=512 count=1
>>
>>No, No, NO. The MBR is only the first 446 bytes of block 0. The rest is
>>the partition table. I assume you don't want to rewrite the partition
>>table.
> 
> 
> Quite. So you save the partition table separately:

No. The PT is a part of the MBR, which should be saved
as a whole. If one later decides not to replace the PT
portion of them MBR when "undoing" an operation, that
decision should be made then, not when doing the save.

[snip]

Mike
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