[vox-tech] Problem Reinstalling GRUB2

[jimbo]

> Try installing to /dev/sda instead of /dev/sda1. That'll install grub to
> your first hard drive's MBR.


If he did that would it wipe out his mbr for windows if windows is installed 
on that disk?

I have used this configuration several times to have different OS's on their 
own hard drive and I have left the bootloader for windows alone.

I have instead used the disk that I have installed Linux as the place where 
grub is then set up my bios to load that hard drive upon start up.  Once 
grub comes up I can then boot to windows w/o any problems.  If my Linux 
drive crashes (from me experimenting with it)  I can easily go into my bios 
and point to my windows hard drive and have no problems.

Jimbo


----- Original Message ----- 
From: "Eric Lin" <notapplicable.haha at gmail.com>
To: "lugod's technical discussion forum" <vox-tech at lists.lugod.org>
Sent: Saturday, April 30, 2011 10:38 PM
Subject: Re: [vox-tech] Problem Reinstalling GRUB2


> On Sat, Apr 30, 2011 at 10:25:04PM -0700, Bob Scofield wrote:
>>  grub-install --boot-directory=/boot /dev/sda1
>>
>> This command generated this error message:
>>
>> "/usr/sbin/grub-setup: warn: Attempting to install GRUB to a
>> partitionless disk or to a partition.  This is a BAD idea..
>> /usr/sbin/grub-setup: error: embedding is not possible, but this is
>> required for cross-disk install."
>>
>> I don't really know where my computer boots from; the MBR on the Windows
>> partition, or /dev/sdb2.  I think it boots from the MBR.
>>
>> Can anyone explain how I can reinstall GRUB to work from my main Linux
>> system on /dev/sdb2?
>
> Try installing to /dev/sda instead of /dev/sda1. That'll install grub to
> your first hard drive's MBR.
>
>>
>> Thank you.
>>
>> Bob
>>
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>
> Eric
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