Re: Grub Configuration Help

From: Chris LaForce (ctn82020_at_centurytel.net)
Date: 11/21/04

  • Next message: Jeff Kinz: "Re: List etiquette question" 
    To: For users of Fedora Core releases <fedora-list@redhat.com>
Date: Sat, 20 Nov 2004 23:07:56 -0600

    >
    > What you posted looks like it should work, at least until the next time
    > you upgrade the FC3 kernel. Looking at the FC3 entry, its boot
    > partition should be on /dev/hdf1 and its root on /dev/hdf2. /dev/hdf1
    > (FC3) should have a directory structure similar to /dev/hde1. You
    > should also verify that /boot/grub/device.map on /dev/hde1 (FC2) maps
    > hd1 to /dev/hdf.
    >
    > Did you manually enter the FC3 portion in FC2's /boot/grub/grub.conf?
    > If not, then FC2 and FC3 are actually using the same /boot partition,
    > and FC3's /boot is actually empty. If this is the case, you should also
    > install grub on /dev/hdf1. Then modify FC2's /etc/grub/grub.conf so
    > that the FC3 entry looks like:
    > title Fedora Core 3
    > root (hd1,0)
    > chainloader +1
    >
    > This way both FC2 and FC3 have independent /boot partitions. You should
    > also copy FC2's /boot to FC3's /boot partition so that you have working
    > FC3 /boot. After you have booted FC3, you should clean out the FC2
    > kernel info from FC3 /boot. You could also add an entry such as:
    > title Fedora Core 2
    > root (hd0,0)
    > chainloader +1
    > to give you the option of returning to FC2 if you change your mind
    > before booting.
    >
    > If instead you would rather share /boot between both installs, then you
    > need to modify the "root" portion of the FC3 stanza to point to hd0. I
    > would not recommend this option if you ever intend to have both installs
    > using the same OS version, _OR_ if you ever upgrade either install to a
    > later Fedora release. Redhat/Fedora upgrades tend to blindly remove any
    > kernels that it deems "obsolete."
    >
    > Kevin Freeman

    Thanks, for the response. I kind of put this one off for awhile. I just
    really wanted to test out FC3 on my hdf drive before moving upgrading
    hde. I am basically getting a kernel panic when trying to boot off
    FC3. In my hardware browser hdf2 says "LVM Physical Volume". I also
    cannot mount hdf2, but I can mount hdf1 when logged into my FC2 hard
    drive. Let me know what you think about this.
    Thanks,

    Chris. 

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