Hard Disk Upgrade Mini How-To
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# 9. Prepare LILO to boot the new disk

| (Thanks to Rick Masters for helping with this.)

We're assuming that LILO is installed on the hard disk's Master Boot Record (MBR); this seems to be the most common configuration. You want to install LILO on what's presently the second hard disk but will become the first hard disk.

Edit the file `/new-disk/etc/lilo.conf` as follows:

    disk=/dev/hdb bios=0x80       # Tell LILO to treat the second
                                  # disk as if it were the first
                                  # disk (BIOS ID 0x80).
    boot=/dev/hdb                 # Install LILO on second hard
                                  # disk.
    map=/new-disk/boot/map        # Location of "map file".
    install=/new-disk/boot/boot.b # File to copy to hard disk's
                                  # boot sector.
    prompt                        # Have LILO show "LILO boot:"
                                  # prompt.
    timeout=50                    # Boot default system after 5
                                  # seconds. (Value is in tenths of
                                  # seconds.)
    image=/new-disk/boot/vmlinuz  # Location of Linux kernel. The
                                  # actual name may include a version
                                  # number, for example
                                  # "vmlinuz-2.0.35".
        label=linux               # Label for Linux system.
        root=/dev/hda1            # Location of root partition on
                                  # new hard disk. Modify this as
                                  # appropriate for your system.
                                  # Note that you must use the name
                                  # of the future location, once the
                                  # old disk has been removed.
        read-only                 # Mount partition read-only at
                                  # first, to run fsck.

Slackware only. Use image=/new-disk/vmlinuz.

If you're using a SCSI hard disk, you may have to add a line with initrd. See your existing file `/etc/lilo.conf`.

Install LILO on the new disk:

    /sbin/lilo -C /new-disk/etc/lilo.conf

The `-C` option tells LILO what configuration file to use.

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Modify `/new-disk/etc/fstab` as appropriate |  | Make a boot diskette (optional)