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Re: Bootsector not writable?

On Friday 10 June 2005 13:35, Andre Timmermann wrote:
> Hello List,
> I have got an Dual Opteron system from Siemens for testing purposes.
> Here are the specs:
> System: Siemens Celsius V810
> 2x AMD Opteron 2.0 GHz
> 1 GB DDR SDRAM PC400 Ecc
> Graphic: nVIDIA GeForce FX5200
> Serial ATA Raid-Controller: Adaptec AAR-2410SA
> 3 x 80GB SATA harddiscs
> I have got some problem installing any linx ditributpn on this system.
> I have tried Gentoo, Ubuntu and Debian AMD64, but I was not able to
> install the bootloader into the MBR of the harddisc (booting from a
> bootable floppy works flawlessly)
> grub-install works without errors:
> ~# grub-install /dev/sda
> Installation finished. No error reported.
> This is the contents of the device map /boot/grub/device.map.
> Check if this is correct or not. If any of the lines is incorrect,
> fix it and re-run the script `grub-install'.
> (hd0)   /dev/sda
> ~#
> But when I try to boot the system, the bios shows "Operating system not
> found"

Remember that with grub, the partition numbers start at 0, *not* 1.  So 0, 0 
is sda1 and 0,1 would be sda2 -- which is your extended partition.  But that 
should really only matter for a {fully-manual} Gentoo installation.  Debian 
and Ubuntu have a more automated installer.

Are you sure you don't have anything like hardware virus protection enabled in 
the BIOS that is stopping you writing to the MBR?

It looks like you have three 80GB drives in RAID-0 to give you a 240GB logical 
drive.  It's also just on the very bounds of conceivability that the one on 
which the MBR is living could be faulty.  If you don't mind losing 
everything, try swapping the drives around and reinstalling.

What's wrong with lilo anyway?

delta echo bravo six four at earthshod dot co dot uk

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