grub fix help please
I have 3 os installed. I first already had windows xp installed on a raid striped drive, i then installed a sata drive and installed vista ultimate, then i inserted an ide drive and installed Ubuntu. well now ubuntu's boot loader was installed oh hd0 and when i boot i get an error 21 when booting hwo can i fix this. so that grub takes over the boot loader and i see all the other OS's. I have to boot now to cd using super grub in order to select the os i want to login into. how can i fix this so grub comes up and sees the raid config on the first windows xp partition where grub is installed.
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Grub won't be able to read it's own stage1_5 files in /boot/grub if the grub directory is in a raid partition. It is best to have /boot on a non raid partition unless you are using Raid-1 and grub can access a partition member directly.
Another potential problem when mixing sata and pata drives is that at boot time, the drive order are seen differently then the kernel sees them after booting. You may need to edit the /boot/grub/device.map to fix this. Otherwise you won't be able to update the grub configuration. If grub booted before from hd0, see if this is the cause. |
grub
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yes when i installed ubuntu it load grub to the hd0 drive. the raid config is on my MB which is a nvidia raid configed as a striped raid i dont knwo if that is raid 1 or raid 0. the options for config are striped and mirror. i did striped and both my hds are now one with space from 400gig a price to 800 gig or technically 740gig. how can i fix grub? should i try and reinstall ubuntu to move the grub boot loader to a different Hd0. |
insight
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thanks
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bootinfoscript where do i go and how do i post the results.txt thanks for your help. |
Go here - hit the "Download Now" button. Read it, run it.
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results.txt
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help
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can anyone help? |
Sorry, missed your earlier response.
That looks very messed up. Try "configfile (hd4,0)" from the grub prompt and see if that gets you the boot menu. If it does, see if Windows will boot. Ubuntu probably won't boot - use the arrow keys to highlight the Ubuntu option, and hit "e" to edit it. Then highlight the "root" line and hit "e" again and change it to "root (hd4,0)" Then hit "b" to boot it. If that (all) works, edit /boot/grub/menu.lst and change the (hd3,0) to (hd4,0). On the next reboot, instead of the configfile command, do this to update the MBR Code:
root (hd4,0) |
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Try "configfile (hd4,0)" from the grub prompt : do i do this within super grub? |
I am not going to be adding or removing any disks, please tell me how to do what you need so i can get this fixed please. thank you
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