Sep 22, 2004
KEK, Online
by E.Inoue
USB-コンパクトフラッシュアダプターに 1GBのコンパクトフラッシュメディアを
セットして、Linuxが起動しているマシンのUSBポートに接続する。
onlsbc1:/# dmesg
Linux version 2.4.26-1-386 (herbert@gondolin) (gcc version 3.3.3 (Debian 2004040
1)) #2 Sat May 1 16:31:24 EST 2004
BIOS-provided physical RAM map:
：
：
/dev/ide/host0/bus1/target0/lun0: p1
/dev/ide/host0/bus1/target0/lun0: p1
kjournald starting. Commit interval 5 seconds
EXT3 FS 2.4-0.9.19, 19 August 2002 on ide1(22,1), internal journal
EXT3-fs: mounted filesystem with ordered data mode.
hub.c: new USB device 00:07.2-2, assigned address 3
usb.c: USB device 3 (vend/prod 0x411/0x36) is not claimed by any active driver.
SCSI subsystem driver Revision: 1.00
Initializing USB Mass Storage driver...
usb.c: registered new driver usb-storage
scsi0 : SCSI emulation for USB Mass Storage devices
usb-uhci.c: interrupt, status 2, frame# 1299
Vendor: BUFFALO Model: MCR-CF/U2 Rev:
Type: Direct-Access ANSI SCSI revision: 02
WARNING: USB Mass Storage data integrity not assured
USB Mass Storage device found at 3
USB Mass Storage support registered.
onlsbc1:/#
onlsbc1:/# fdisk /dev/sda
Command (m for help): m
Command action
a toggle a bootable flag
b edit bsd disklabel
c toggle the dos compatibility flag
d delete a partition
l list known partition types
m print this menu
n add a new partition
o create a new empty DOS partition table
p print the partition table
q quit without saving changes
s create a new empty Sun disklabel
t change a partition's system id
u change display/entry units
v verify the partition table
w write table to disk and exit
x extra functionality (experts only)
Command (m for help): p
Disk /dev/sda: 1024 MB, 1024966656 bytes
32 heads, 63 sectors/track, 993 cylinders
Units = cylinders of 2016 * 512 = 1032192 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 993 1000912+ 6 FAT16
Command (m for help): d
Selected partition 1
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-993, default 1):
Using default value 1
Last cylinder or +size or +sizeM or +sizeK (1-993, default 993):
Using default value 993
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.
onlsbc1:/#
onlsbc1:/# fdisk /dev/sda
Command (m for help): p
Disk /dev/sda: 1024 MB, 1024966656 bytes
32 heads, 63 sectors/track, 993 cylinders
Units = cylinders of 2016 * 512 = 1032192 bytes
Device Boot Start End Blocks Id System
/dev/sda1 1 993 1000912+ 83 Linux
Command (m for help): q
onlsbc1:/#
ext3 ファイルシステムを作成する。
onlsbc1:/# mke2fs -j /dev/sda1
mke2fs 1.35 (28-Feb-2004)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
125184 inodes, 250228 blocks
12511 blocks (5.00%) reserved for the super user
First data block=0
8 block groups
32768 blocks per group, 32768 fragments per group
15648 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376
Writing inode tables: done
Creating journal (4096 blocks): done
Writing superblocks and filesystem accounting information: done
This filesystem will be automatically checked every 37 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.
onlsbc1:/#
onlsbc1:/# df -k
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/hda1 918322 699493 169833 81% /
tmpfs 152824 0 152824 0% /dev/shm
/dev/hdc1 938008 568689 319274 65% /mnt
onlpara:/home2/onlpara-wrk
22659864 6122376 15386432 29% /mnt2
onlsbc1:/#
onlsbc1:/# mount -t ext3 /dev/sda1 /mnt1
onlsbc1:/#
onlsbc1:/# df -k
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/hda1 918322 699493 169833 81% /
tmpfs 152824 0 152824 0% /dev/shm
/dev/hdc1 938008 568689 319274 65% /mnt
onlpara:/home2/onlpara-wrk
22659864 6122376 15386432 29% /mnt2
/dev/sda1 985160 16428 918688 2% /mnt1
onlsbc1:/#
onlsbc1:/# cd /mnt1
onlsbc1:/mnt1# ls -l
total 16
drwx------ 2 root root 16384 Sep 21 16:16 lost+found
onlsbc1:/mnt1#
onlsbc1:/mnt1# ls -l /mnt2/root/com*
-rw-r--r-- 1 nobody nogroup 155195644 Dec 10 2003 /mnt2/root/compact-debi
an-Dec102003g.tar.gz
-rw-r--r-- 1 nobody nogroup 155654709 Nov 12 2003 /mnt2/root/compact-debi
an-Nov122003g.tar.gz
-rw-r--r-- 1 nobody nogroup 134842364 Nov 18 2003 /mnt2/root/compact-debi
an-Nov182003g.tar.gz
-rw-r--r-- 1 nobody nogroup 155714516 Nov 19 2003 /mnt2/root/compact-debi
an-Nov192003g.tar.gz
-rw-r--r-- 1 nobody nogroup 155287959 Nov 21 2003 /mnt2/root/compact-debi
an-Nov212003g.tar.gz
-rw-r--r-- 1 nobody nogroup 155640097 Nov 5 2003 /mnt2/root/compact-debi
an-Nov52003g.tar.gz
-rw-r--r-- 1 nobody nogroup 196485325 Sep 21 10:50 /mnt2/root/compact-debi
an-Sep212004.tar.gz
-rw-r--r-- 1 nobody nogroup 143602724 Oct 16 2003 /mnt2/root/compact-debi
an-oct162003.tar.gz
-rw-r--r-- 1 nobody nogroup 143656305 Oct 17 2003 /mnt2/root/compact-debi
an-oct172003.tar.gz
-rw-r--r-- 1 nobody nogroup 144092715 Oct 20 2003 /mnt2/root/compact-debi
an-oct202003A.tar.gz
-rw-r--r-- 1 nobody nogroup 144132052 Oct 21 2003 /mnt2/root/compact-debi
an-oct212003.tar.gz
-rw-r--r-- 1 nobody nogroup 146957840 Oct 21 2003 /mnt2/root/compact-debi
an-oct212003g.tar.gz
-rw-r--r-- 1 nobody nogroup 112241121 Oct 22 2003 /mnt2/root/compact-debi
an-oct222003g.tar.gz
-rw-r--r-- 1 nobody nogroup 163407952 Oct 23 2003 /mnt2/root/compact-debi
an-oct232003g.tar.gz
-rw-r--r-- 1 nobody nogroup 163268550 Oct 23 2003 /mnt2/root/compact-debi
an-oct232003g.tar.gz-old
-rw-r--r-- 1 nobody nogroup 156120096 Oct 30 2003 /mnt2/root/compact-debi
an-oct302003g.tar.gz
-rw-r--r-- 1 nobody nogroup 160988392 May 11 15:56 /mnt2/root/compact-redh
at8-May112004.tar.gz
-rw-r--r-- 1 nobody nogroup 152726128 May 21 2003 /mnt2/root/compact.tar.
gz
onlsbc1:/mnt1#
onlsbc1:/mnt1#
onlsbc1:/mnt1# ls /mnt2/root/com*
/mnt2/root/compact-debian-Dec102003g.tar.gz
/mnt2/root/compact-debian-Nov122003g.tar.gz
/mnt2/root/compact-debian-Nov182003g.tar.gz
/mnt2/root/compact-debian-Nov192003g.tar.gz
/mnt2/root/compact-debian-Nov212003g.tar.gz
/mnt2/root/compact-debian-Nov52003g.tar.gz
/mnt2/root/compact-debian-Sep212004.tar.gz
/mnt2/root/compact-debian-oct162003.tar.gz
/mnt2/root/compact-debian-oct172003.tar.gz
/mnt2/root/compact-debian-oct202003A.tar.gz
/mnt2/root/compact-debian-oct212003.tar.gz
/mnt2/root/compact-debian-oct212003g.tar.gz
/mnt2/root/compact-debian-oct222003g.tar.gz
/mnt2/root/compact-debian-oct232003g.tar.gz
/mnt2/root/compact-debian-oct232003g.tar.gz-old
/mnt2/root/compact-debian-oct302003g.tar.gz
/mnt2/root/compact-redhat8-May112004.tar.gz
/mnt2/root/compact.tar.gz
onlsbc1:/mnt1#
onlsbc1:/mnt1# tar xzf /mnt2/root/compact-debian-Sep212004.tar.gz
onlsbc1:/mnt1#
onlsbc1:/mnt1# e2label /dev/sda1
onlsbc1:/mnt1# e2label /dev/sda1 /
onlsbc1:/mnt1# e2label /dev/sda1
/
onlsbc1:/mnt1#
onlsbc1:/mnt1# pwd
/mnt1
onlsbc1:/mnt1# ls -l
total 104
drwxr-xr-x 2 root root 4096 Sep 9 20:00 bin
drwxr-xr-x 3 root root 4096 Sep 21 10:41 boot
drwxr-xr-x 11 root root 24576 Sep 17 16:41 dev
drwxr-xr-x 52 root root 4096 Sep 17 16:41 etc
drwxrwsr-x 3 root staff 4096 Sep 9 13:52 home
drwxr-xr-x 2 root root 4096 Sep 9 19:38 initrd
lrwxrwxrwx 1 root root 28 Sep 21 16:45 initrd.img -> boot/initr
d.img-2.4.25-1-386
drwxr-xr-x 9 root root 4096 Sep 10 09:19 lib
drwxr-xr-x 2 root root 16384 Sep 9 19:34 lost+found
drwxr-xr-x 3 root root 4096 Sep 9 19:35 media
drwxr-xr-x 2 root root 4096 Jul 27 03:27 mnt
drwxr-xr-x 2 root root 4096 Sep 9 19:38 opt
drwxr-xr-x 2 root root 4096 Jul 27 03:27 proc
drwxr-xr-x 4 root root 4096 Sep 16 16:05 ramfs
drwxr-xr-x 4 root root 4096 Sep 15 13:32 root
drwxr-xr-x 2 root root 4096 Sep 10 09:47 sbin
drwxr-xr-x 2 root root 4096 Sep 9 19:38 srv
drwxr-xr-x 2 root root 4096 May 26 03:40 sys
lrwxrwxrwx 1 root root 9 Sep 21 16:24 tmp -> ramfs/tmp
drwxr-xr-x 12 root root 4096 Sep 15 13:36 usr
lrwxrwxrwx 1 root root 9 Sep 21 16:45 var -> ramfs/var
lrwxrwxrwx 1 root root 25 Sep 21 16:45 vmlinuz -> boot/vmlinuz-
2.4.25-1-386
onlsbc1:/mnt1#
onlsbc1:/mnt1# pwd
/mnt1
onlsbc1:/mnt1# ls sbin/grub
sbin/grub
onlsbc1:/mnt1# ./sbin/grub
Probing devices to guess BIOS drives. This may take a long time.
GNU GRUB version 0.95 (640K lower / 3072K 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 (hd2,0)
Filesystem type is ext2fs, partition type 0x83
grub> setup (hd2)
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 (hd2)"... 16 sectors are embedded.
succeeded
Running "install /boot/grub/stage1 (hd2) (hd2)1+16 p (hd2,0)/boot/grub/stage2
/boot/grub/menu.lst"... succeeded
Done.
grub> quit
onlsbc1:/mnt1#
onlsbc1:/mnt1# cd /
onlsbc1:/# umount /mnt1
onlsbc1:/#
これで 1GBコンパクトフラッシュ上に、CC/NET用のコンパクトフラッシュLinux
システム、Debian GNU/Linux 3.1 (Sarge) を復旧できた。
---xxxx