On Jun 6, 2011 2:06 AM, "Brian Cluff" <brian@snaptek.com> wrote:
> The update-grub command (which just points to grub-mkconfig) just
> assembles grub's config file. The MBR remains unchanged until you do a
> grub-install, so your drives should be 100% intact unless you've done
> something to them trying to "fix" them.
>
> That being said, other OSes are added to the grub menu via the os-prober
> package. If you don't want them to show up at all, you can simply
> remove that package... but I'll bet you want at least one of them to
> show up.
>
> Larry is probably right in that the os-prober is simply finding some
> left over remnant from a previous windows install that probably doesn't
> do anything, so you can just safely ignore it and just use the menu item
> that does work.
>
> Brian Cluff
>
>
> On 06/05/2011 11:29 PM, Dazed_75 wrote:
>> Carlton,
>>
>> Doing the sudo update=grub would have replaced the MBR on sda unless
>> you specified otherwise. That should not be a problem unless you
>> actually WANT to be unplugging and plugging drive to change what boots.
>> The Win7 loader it found for sdb is probably an artifact of how it was
>> formatted. It should not work if it is a data drive as you say. It is
>> possible to remove that entry from the grub menu but you need to do it
>> correctly.
>>
>> I am not sure you are up to this but here is link to a discussion of
>> doing this.
>> http://www.bodhilinux.com/forums/index.php?/topic/1028-how-to-grub2-hide-windows-recovery-partition/
>>
>> If you are not sure of yourself doing this, ypu could bring your system
>> to an installfest and I can do it for you.
>>
>> Larry
>>
>> On Sun, Jun 5, 2011 at 5:52 PM, Carlton Brooks <linux@carltonbrooks.net
>> <mailto:linux@carltonbrooks.net>> wrote:
>>
>> I have 3 HARD DRIVES. Drive 1 (sda) is a Windows 7 Drive. Drive 2 (sdb)
>> is a data drive. Drive 3 (sdc) is an Ubuntu 11.04 drive.
>>
>> I just upgraded to 11.04 by disconnecting sda and sdb. I then installed
>> 11.04. I then reconnect all the drives
>>
>> After install I did a sudo update-grub. It displayed the following
>>
>> Generating grub.cfg ...
>> Found linux image: /boot/vmlinuz-2.6.38-8-generic
>> Found initrd image: /boot/initrd.img-2.6.38-8-generic
>> Found memtest86+ image: /boot/memtest86+.bin
>> Found Windows 7 (loader) on /dev/sda1
>> Found Windows 7 (loader) on /dev/sdb1
>> done
>>
>> I have no idea why 2 Windows.
>>
>> Then ran fdisk -l. It displayed the following
>>
>> Disk /dev/sda: 1000.2 GB, 1000203804160 bytes
>> 255 heads, 63 sectors/track, 121601 cylinders
>> Units = cylinders of 16065 * 512 = 8225280 bytes
>> Sector size (logical/physical): 512 bytes / 512 bytes
>> I/O size (minimum/optimal): 512 bytes / 512 bytes
>> Disk identifier: 0xda607973
>>
>> Device Boot Start End Blocks Id System
>> /dev/sda1 * 1 121601 976759008+ b W95 FAT32
>>
>> Disk /dev/sdb: 1000.2 GB, 1000203804160 bytes
>> 255 heads, 63 sectors/track, 121601 cylinders
>> Units = cylinders of 16065 * 512 = 8225280 bytes
>> Sector size (logical/physical): 512 bytes / 512 bytes
>> I/O size (minimum/optimal): 512 bytes / 512 bytes
>> Disk identifier: 0xda607971
>>
>> Device Boot Start End Blocks Id System
>> /dev/sdb1 * 1 13 102400 7 HPFS/NTFS
>> Partition 1 does not end on cylinder boundary.
>> /dev/sdb2 13 121601 976656384 7 HPFS/NTFS
>>
>> Disk /dev/sdc: 1000.2 GB, 1000204886016 bytes
>> 255 heads, 63 sectors/track, 121601 cylinders
>> Units = cylinders of 16065 * 512 = 8225280 bytes
>> Sector size (logical/physical): 512 bytes / 512 bytes
>> I/O size (minimum/optimal): 512 bytes / 512 bytes
>> Disk identifier: 0x0009ca99
>>
>> Device Boot Start End Blocks Id System
>> /dev/sdc1 * 1 120558 968373248 83 Linux
>> /dev/sdc2 120558 121602 8386561 5 Extended
>> /dev/sdc5 120558 121602 8386560 82 Linux swap /
>> Solaris
>>
>> Now when I boot up it shows the grub menu, and lists all the choices,
>> but when the Windows sda1 is picked it reboots. When sdb1 is picked it
>> says I have a windows error.
>>
>> I beleive I have corrupted or destroyed the Windows MBR or Boot Record.
>> I have attempted to fix it using the Windows disk but still does not
>> work.
>>
>> Any help would be appreciated.
>>
>> Carlton Brooks
>>
>>
>>
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>>
>>
>> --
>> Dazed_75 a.k.a. Larry
>>
>> The spirit of resistance to government is so valuable on certain
>> occasions, that I wish it always to be kept alive.
>> - Thomas Jefferson
>>
>>
>>
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