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On 03/23/2010 06:08 PM, Michael Schwendt wrote:
> On Mon, 22 Mar 2010 17:10:49 -0400, Gene wrote:
>
>> On Monday 22 March 2010, Will Walthall wrote:
>>> So I made the assumption that your part layout was /dev/sdb1 f10
>>> system, /dev/sdb2 f12 system.
>>>
>>> Option #1 Install grub to the MBR of /dev/sdb
>>> Option #2 Install grub to the partition of /dev/sdb1
>>>
>>> Lots of things you need to consider, one you dont want to break
>>>
>>> Do you Chainload into mandriva aswell? is the Mandriva boot installed
>>> to MBR /dev/sdd or in the partition /dev/sdd1?
>>>
>>> Steps I would take:
>>> :Reinstall grub to the MBR of /dev/sda and make sure that it has these 3
>>> : devices
>>>
>>> -grub prompt in f10-
>>> device (hd0) /dev/sda //f10
>>> device (hd1) /dev/sdb //f12
>>> device (hd2) /dev/sdd //mandriva
>>> root (hd0,0)
>>> setup (hd0)
>>
>> This did not return any errors, so I am off to try it.
>>
>> And, and hour later, it failed, error 13. Invalid file format or some such
>> drivel.
>>
>> The hour was because it decided to do an e2fsck on /usr, which is something
>> over half a Tb.
>>
>>> Option #1
>>>
>>> :Reinstall grub to the MBR of /dev/sdb
>>>
>>> device (hd0) /dev/sdb // This grub is isolated from the MBR one on
>>> /dev/sda so I believe this is correct, I've never done something like
>>> this personally, though I've messed around with grub alot
>>> root (hd0,0)
>>> setup (hd0)
>>>
>>> : Make sure all your entries in menu.lst for f10 are correct
>>>
>>> # Again I think this is correct, though I haven't done anything like
>>> this, I have chainloaded into grub installed to a partition, but not
>>> into one installed to another MBR on a seperate drive
>>> title Fedora 12
>>> root (hd1,1)
>>> chainloader (hd1)+1
>>
>> Now I have done this, and will try it. And this reverts to the grub screen
>> from /dev/sda in about 4 seconds, silently.
>
> Why did you try that? root (hd1,1) expands to /dev/sdb2 which is not
> what you had referred to earlier.
>
> # load boot sector of first partition (sdb1)
> title Fedora 12
> rootnoverify (hd1,0)
> chainloader +1
>
> Assuming that F12's GRUB _really_ is installed in /dev/sdb1 and NOT the MBR.
>
> And if it's installed in the MBR, you could boot F12 by changing the boot
> order in your BIOS, then use "grub-install" to (re-)install the boot loader.
> Make sure that you don't mix /dev/sda1 and /dev/sdb1 when running grub-install.
you may also need to edit /boot/grub/device.map to make sure that the device
mapping is correct. (Note: this is USUALLY not necessary)
- -Greg
- --
+---------------------------------------------------------------------+
Please also check the log file at "/dev/null" for additional information.
(from /var/log/Xorg.setup.log)
| Greg Hosler ghosler@xxxxxxxxxx |
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