On Fri, Dec 24, 2010 at 9:50 PM, iono sphere <[email protected]> wrote: > I have installed Ubuntu 10.10 on a software RAID 0. I wiped out the whole > two hard disks and install it as a single partition. So one partition for > the whole system. However, I need to install Windows back, so I use the > partition program GParted (use kpartx to allow it to see RAID 0) to split > things up. For better indication of the partition condition, please refer to > GParted.png in the attachment of this mail. The partition > /dev/mapper/nvidia_acajefec1 is of course Ubuntu 10.10, and > /dev/mapper/nvidia_acajefec3 is Windows 7. > > Windows 7, once installed, will wipe GRUB's setting away and make itself the > only OS bootable. So I need a way to restore GRUB. > > I tried to follow the instruction around the Internet, and I cannot restore > GRUB because GRUB can't find the disk. Here are what I did in the console: > > ubu...@ubuntu:~$ grub > Probing devices to guess BIOS drives. This may take a long time. > > [ Minimal BASH-like line editing is supported. For > the first word, TAB lists possible command > completions. Anywhere else TAB lists the possible > completions of a device/filename. ] > grub> root (hd0,0) > root (hd0,0) > > Error 21: Selected disk does not exist > grub> find (hd0,0) > find (hd0,0) > > Error 15: File not found > grub> find /boot/grub/stage1 > find /boot/grub/stage1 > > Error 15: File not found > grub> find /dev/mapper/nvidia_acajefec1 > find /dev/mapper/nvidia_acajefec1 > > Error 15: File not found > > So in this case, is there a way to make GRUB see software RAID 0? GParted > can see it with kpartx, so what about GRUB? > > Thank you in advance. > > _______________________________________________ > Help-grub mailing list > [email protected] > http://lists.gnu.org/mailman/listinfo/help-grub > >
Those instructions are for grub legacy, for grub2 follow this guide: http://grub.enbug.org/Grub2LiveCdInstallGuide . -- Jordan Uggla (Jordan_U on irc.freenode.net) _______________________________________________ Help-grub mailing list [email protected] http://lists.gnu.org/mailman/listinfo/help-grub
