which grub to edit?
Thufir
hawat.thufir at gmail.com
Thu Jun 28 14:33:14 UTC 2007
pardon if I posted this before. I was working on grub last night.
Win2k and Fedora 7 are on sda (hda) while FC3 is on sdb (hdb). The
MBR on sda is being used, I believe.
Which grub do I edit to get all OS's booting? I tried a few
variations, mucking with the one in /boot/grub/... from FC3, but
wasn't able to hit on the correct combination.
[root at localhost ~]#
[root at localhost ~]# cat /etc/fedora-release
Fedora Core release 3 (Heidelberg)
[root at localhost ~]#
[root at localhost ~]# cat /mnt/hda2/grub/grub.conf
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You have a /boot partition. This means that
# all kernel and initrd paths are relative to /boot/, eg.
# root (hd0,1)
# kernel /vmlinuz-version ro root=/dev/VolGroup00/LogVol00
# initrd /initrd-version.img
#boot=/dev/sda
default=0
timeout=5
splashimage=(hd0,1)/grub/splash.xpm.gz
#hiddenmenu
title Fedora (2.6.21-1.3228.fc7)
root (hd0,1)
kernel /vmlinuz-2.6.21-1.3228.fc7 ro root=LABEL=/ rhgb quiet
initrd /initrd-2.6.21-1.3228.fc7.img
title Fedora (2.6.21-1.3194.fc7)
root (hd0,1)
kernel /vmlinuz-2.6.21-1.3194.fc7 ro root=LABEL=/ rhgb quiet
initrd /initrd-2.6.21-1.3194.fc7.img
title win2k
rootnoverify (hd0,0)
chainloader +1
#OLD GRUB ADDED ON
title Fedora Core (2.6.20-1.2952.fc6)
root (hd1,1)
kernel /vmlinuz-2.6.20-1.2952.fc6 ro
root=/dev/VolGroup01/LogVol00 rhgb quiet
initrd /initrd-2.6.20-1.2952.fc6.img
title win2k
map (hd0) (hd1)
map (hd1) (hd0)
rootnoverify (hd1,0)
chainloader +1
[root at localhost ~]#
[root at localhost ~]# cat /boot/grub/grub.conf
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You have a /boot partition. This means that
# all kernel and initrd paths are relative to /boot/, eg.
# root (hd1,0)
# kernel /vmlinuz-version ro root=/dev/VolGroup01/LogVol00
# initrd /initrd-version.img
#boot=/dev/hda
default=0
timeout=8
splashimage=(hd1,0)/grub/splash.xpm.gz
hiddenmenu
title Fedora Core (2.6.9-1.667)
root (hd1,0)
kernel /vmlinuz-2.6.9-1.667 ro root=/dev/VolGroup01/LogVol00 rhgb quiet
initrd /initrd-2.6.9-1.667.img
title Other
rootnoverify (hd0,0)
# chainloader +1
title Fedora (2.6.21-1.3228.fc7)
root (hd0,1)
kernel /vmlinuz-2.6.21-1.3228.fc7 ro root=LABEL=/ rhgb quiet
initrd /initrd-2.6.21-1.3228.fc7.img
chainloader +1
[root at localhost ~]#
[root at localhost ~]# mount
/dev/mapper/VolGroup01-LogVol00 on / type ext3 (rw)
none on /proc type proc (rw)
none on /sys type sysfs (rw)
none on /dev/pts type devpts (rw,gid=5,mode=620)
usbfs on /proc/bus/usb type usbfs (rw)
/dev/hdb1 on /boot type ext3 (rw)
none on /dev/shm type tmpfs (rw)
/dev/hda2 on /mnt/hda2 type ext3 (rw,noexec,nosuid,nodev)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
/dev/hdc on /media/cdrom type hfs (ro,nosuid,nodev,user=thufir)
[root at localhost ~]#
[root at localhost ~]# fdisk -l
Disk /dev/hda: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/hda1 * 1 1912 15358108+ 7 HPFS/NTFS
/dev/hda2 1913 1925 104422+ 83 Linux
/dev/hda3 1926 9729 62685630 8e Linux LVM
Disk /dev/hdb: 30.7 GB, 30750031872 bytes
255 heads, 63 sectors/track, 3738 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/hdb1 * 1 13 104391 83 Linux
/dev/hdb2 14 3738 29921062+ 8e Linux LVM
[root at localhost ~]#
[root at localhost ~]# date
Thu Jun 28 07:29:46 PDT 2007
[root at localhost ~]#
thanks,
Thufir
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