Re: dual boot from dual disk
- From: 1jam <com@xxxxxxxxxxx>
- Date: Fri, 27 Aug 2010 11:55:27 -0800
The Great Attractor wrote:
On Fri, 27 Aug 2010 10:30:44 -0700 (PDT), zubi <mashtin.bakir@xxxxxxxxx>
wrote:
I added a second SATA drive to my suse 10 machine in order to install
11 on it.
To retain the existing OS, I unplgged the first disk, leaving only the
new disk in
and installed the 2nd OS. Depending on which disk is plugged in, I can
boot
either operating system. I then figured I could just add the suse 11
stanza from
the grub menu into the suse10 grub and allow me a live choice of which
to boot
rather than playing with SATA cables. Since only one disk was
initially plugged
in, both list root as (hd0,1) so I changed that for suse 11. On the
kernel line, the
root= points to a unique disk label rather than device so that appears
OK. Booting
does give me a choice in grub but returns a disk error. Going into
grub and looking
for bootable disks (root + tab) only sees the one. Any ideas?
title SUSE Linux Enterprise Server 10 SP2
root (hd0,1)
kernel /boot/vmlinuz-2.6.16.60-0.21-smp root=/dev/disk/by-id/scsi-
SATA_SAMSUNG_HD1234 0PC46662-part2 vga=0x317 resume=/dev/
sda1 splash=silent showopts
initrd /boot/initrd-2.6.16.60-0.21-smp
title SUSE Linux Enterprise Server 11 SP1 - 2.6.32.12-0.7
root (hd1,1)
kernel /boot/vmlinuz-2.6.32.12-0.7-default root=/dev/disk/by-id/
ata-WDC_WD12346 resume=/dev/disk/by-id/ata-WDC_WD12346 splash
=silent crashkernel=256M-:128M showopts vga=0x31a
initrd /boot/initrd-2.6.32.12-0.7-default
sudo update-grub while both drives are up. Leave them both 'up'.
It runs an OS probe script and then constructs your menu for you.
So, plug both drives in, and choose one or the other in the BIOS to
boot from, then once in that drive's Linux, you can run the update-grub
command.
Then, you'll want to shift up to 1280x1024x32 and mice home chosen
splash screens, which will mean that you'll want to install some of the
other grub utilities and 'feature' 'add-ons'.
You could just as easily have both OS installs on one hard drive, and
dedicate the other for files.
My 2TB drive has a boot loader partition, a Windows partition, a Linux
swap partition, and the rest is a logical that I break up into 100 20GB
OS partitions (if that is what I want to do).
I currently have several Linux OSes installed, and am looking into
getting my old BeOS and OS/2 Warp back up. Maybe even DesqViewX! Wow!
Hmm where is update-grub located? I don't seem to have this script..
.
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