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Old 11-27-2010, 09:52 AM   #1
OrangeShoes
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GRUB bug - won't boot off HDD


I have a set-up with a RocketRaid 3120 (HighPoint) controller with its two HDDs in RAID 0 for media files. My MOBO is a Gigabyte with the AMD 770 chipset. I had Ubuntu 9.10 installed on a lone SATA HDD without issues, and had tried Fedora 11, also no problem. I had attempted a fresh install of Ubuntu 10.10 - formatting the OS HDD - and everything seemed to go OK until I tried booting off the HDD after the installation. I got "error no such device: 6a176be7-3399-47f5-be16-042a5de3aa64. grub rescue>". The same thing happened when I tried installing Fedora 14. There must be something new with GRUB that isn't happy with my hardware combination.
 
Old 11-27-2010, 01:06 PM   #2
camorri
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Quote:
6a176be7-3399-47f5-be16-042a5de3aa64
This is the UUID of the boot partition identified in grub. To know what UUID's are set for your system, have a look at /dev/disk/by-uuid. You should see a relationship there between partition and the uuid's.

You can look at /boot/grub/menu.lst to see what is in grub.

What is in grub may not point at the correct partition now that you have done some more installing. If you know what partition the /boot is on, and you can identify the correct uuid for that, you can manually edit menu.lst to point at the correct partition. If you get it right, it should at least start booting.
 
Old 11-27-2010, 01:20 PM   #3
paulsm4
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Hi -

Camorri is right: you need to identify the UUID for your hard drive, and edit Grub accordingly.

I believe Fedora 14 still uses "legacy Grub" (the good old fashioned one, instead of the new, over-engineered Grub2 ). In that case, these two links are both applicable:

https://help.ubuntu.com/community/Gr...talling%20GRUB

http://unix.stackexchange.com/questi...h-in-fedora-14

If you need Grub2, then use one of these links:

https://help.ubuntu.com/community/Gr...ing%20GRUB%202

http://www.gnu.org/software/grub/manual/legacy/
 
Old 11-28-2010, 05:49 AM   #4
EDDY1
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If Grub2
sudo os-prober
sudo update-grub
 
Old 11-28-2010, 05:54 AM   #5
stress_junkie
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Quote:
Originally Posted by camorri View Post
You can look at /boot/grub/menu.lst to see what is in grub.
He's using Ubuntu so he has GRUB 2. There is no /boot/grub/menu.lst file. Instead there is a /boot/grub/grub.cfg which has the boot menu information.
 
  


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