On Tuesday 01 August 2006 15:34, Nigel Henry wrote: > On Tuesday 01 August 2006 13:54, Victor L. wrote: > > I have a dual boot (Wondows/FC 5) system using one partioned hardrive. > > I have added a second hard drive and would like to add FC 5 to the new > > drive before erasing old version. Want to dedicate the new drive to > > Linux. Installation works fine but the grub process does not. When I > > reboot, Grub only shows the old Linux (as well as Windows.) Howver, > > Linux Rescue lets me choose between the two Linux installations. Being > > able to boot to just the new drive would be fine. > > > > Any suggests, references. Thx > > Hi Victor. Where did you put Grub for the new FC5 on the second haddrive? > You should have put it in the MBR of hda (presuming that's the first > harddrive). This would have resulted in getting the Grub menu for Grub on > the new FC5 install at bootup, which should also have a chainloader set up > for Windows, but not for the old FC5 on hda, as the old Grub would have > been overwritten by the new one. > > You probably know this, but just in case. To put Grub from the new FC5 into > the MBR of hda (the one with Windows on it), bootup the rescue disc, select > the / partition of the new FC5 which gets you into a /mnt/sysimage > environment. Then type, chroot /mnt/sysimage, then grub-install hda. Exit > twice (I think), then reboot the machine, removing the rescue disc. > > If you still want to boot the old FC5 on hda, theres a bit more work to be > done. Presuming that you now are able to boot into the new FC5, and know > the / partition, or /boot partition, if you have a separate one for the old > FC5 on hda, open a terminal, su to root, open a text editor (your choice), > and go to /boot/grub/grub.conf . We'll add a chainloader to link to Grub > for the old FC5. Presuming you only have a / partition for the old FC5, the > chainloader will look like this. > > title Old FC5 > root (hda,x) (changing "x" for the / partition) > chainloader +1 > > Save, and exit the text editor, and terminal. Shut down the machine. > Using the rescue disk once more, this time go to the / partition of the old > FC5 on hda, chroot /mnt/sysimage, then, grub-install hdax , changing "x" to > the / partition of the old FC5. Exit the chrooted environment, remove the > disc, and reboot. Now when you reboot, you'll get the new FC5s Grub, and > can try out the chainloader to link to the Grub you've just installed on > the / partition of the old FC5. You should now have the old FC5s, Grub > menu, and can boot the old one. > > While you were in grub.conf, it is usefull to change a few things. Change > timeout to 30. Put a # in front of Hiddenmenu, and remove the "rhgb quiet" > from the end of the kernel entries, which will allow you to see all the > text on bootup. > > All the best. > > Nigel. Apologies. I forgot the /dev on the grub-install command. Thanks Jeff. I'd mislaid the bit of paper with all the commands on it. Nigel.
