フロッピーディスクのフォーマットとファイルシステムの作成。
% fdformat /dev/fd0 Double-sided, 80 tracks, 18 sec/track. Total capacity 1440 kB. Formatting ... done Verifying ... done % mkfs.ext2 -c /dev/fd0 mke2fs 1.42.3 (14-May-2012) Filesystem label= OS type: Linux Block size=1024 (log=0) Fragment size=1024 (log=0) Stride=0 blocks, Stripe width=0 blocks 184 inodes, 1440 blocks 72 blocks (5.00%) reserved for the super user First data block=1 Maximum filesystem blocks=1572864 1 block group 8192 blocks per group, 8192 fragments per group 184 inodes per group badblocks: Device or resource busy while trying to open /dev/fd0 Allocating group tables: done Writing inode tables: done Writing superblocks and filesystem accounting information: done
マウントして、ディレクトリを作成して、必要なファイルをコピー
% mount /dev/fd0 /mnt/floppy % mkdir -p /mnt/floppy/boot/grub/ % cp /boot/grub/stage1 /boot/grub/stage2 /boot/grub/*stage1_5 /mnt/floppy/boot/grub
menu.listの編集
% cat /mnt/floppy/boot/grub/menu.lst
timeout=none
title "Linux Mint 13 hdd"
insmod part_msdos
insmod ext2
root (hd1,msdos1)
loopback loop /linuxmint-13-mate-dvd-32bit.iso
linux (loop)/casper/vmlinuz boot=casper iso-scan/filename=/linuxmint-13-mate-dvd-32bit.iso noeject noprompt
initrd (loop)/casper/initrd.lz
menu.listの内容を元にMBRに書き込み
% umount /mnt/floppy
% grub
GNU GRUB version 0.97 (640K lower / 5120K upper memory)
[ Minimal BASH-like line editing is supported. For the first word, TAB
lists possible command completions. Anywhere else TAB lists the possible
completions of a device/filename. ]
grub> root
Possible commands are: root rootnoverify
grub> root (fd0)
Filesystem type is ext2fs, using whole disk
grub> setup (fd0)
Checking if "/boot/grub/stage1" exists... yes
Checking if "/boot/grub/stage2" exists... yes
Checking if "/boot/grub/e2fs_stage1_5" exists... yes
Running "embed /boot/grub/e2fs_stage1_5 (fd0)"... failed (this is not fatal)
Running "embed /boot/grub/e2fs_stage1_5 (fd0)"... failed (this is not fatal)
Running "install /boot/grub/stage1 (fd0) /boot/grub/stage2 p /boot/grub/menu.lst "... succeeded
Done.
grub> quit
このフロッピーで起動するとメニューが現れる。インストールされているのはgrub2ではないため、grub2からの機能(loopback等)を含む上の設定ファイルでは起動しない。