EM モードに root でログイン

LS-WSGL/R1
initrd の root のパスワードをつぶせたので、 その initrd.buffalo を EM モードでしか立ち上がらない ファイルシステムを手作りした HDD にコピー、起動する。

initrd.buffalo のコピー

ファイルシステムを手作りした HDD ST325082 を USB で接続する。 
Nov  1 00:13:15 LS-WSGL678 kernel: usb 1-1: new high speed USB device using ehci_platform and address 2
Nov  1 00:13:15 LS-WSGL678 kernel: usb 1-1: configuration #1 chosen from 1 choice
Nov  1 00:13:15 LS-WSGL678 kernel: scsi2 : SCSI emulation for USB Mass Storage devices
SCSI device sdc: 488397168 512-byte hdwr sectors (250059 MB)
sdc: Write Protect is off
sdc: assuming drive cache: write through
SCSI device sdc: 488397168 512-byte hdwr sectors (250059 MB)
sdc: Write Protect is off
sdc: assuming drive cache: write through
Nov  1 00:13:20 LS-WSGL678 kernel: SCSI device sdc: 488397168 512-byte hdwr sectors (250059 MB)
Nov  1 00:13:20 LS-WSGL678 kernel: sdc: Write Protect is off
Nov  1 00:13:20 LS-WSGL678 kernel: sdc: assuming drive cache: write through
Nov  1 00:13:20 LS-WSGL678 kernel: SCSI device sdc: 488397168 512-byte hdwr sectors (250059 MB)
Nov  1 00:13:20 LS-WSGL678 kernel: sdc: Write Protect is off
Nov  1 00:13:20 LS-WSGL678 kernel: sdc: assuming drive cache: write through
Nov  1 00:13:20 LS-WSGL678 kernel:  sdc: sdc1 sdc2 sdc4 < sdc5 sdc6 >
Nov  1 00:13:20 LS-WSGL678 kernel: sd 2:0:0:0: Attached scsi disk sdc
Nov  1 00:13:20 LS-WSGL678 kernel: sd 2:0:0:0: Attached scsi generic sg2 type 0
Nov  1 00:13:30 LS-WSGL678 kernel: FAT: utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive!
Nov  1 00:13:30 LS-WSGL678 kernel: FAT: bogus number of reserved sectors
Nov  1 00:13:30 LS-WSGL678 kernel: VFS: Can't find a valid FAT filesystem on dev sdc.
Nov  1 00:13:31 LS-WSGL678 kernel: kjournald starting.  Commit interval 5 seconds
Nov  1 00:13:31 LS-WSGL678 kernel: EXT3 FS on sdc1, internal journal
Nov  1 00:13:31 LS-WSGL678 kernel: EXT3-fs: recovery complete.
Nov  1 00:13:31 LS-WSGL678 kernel: EXT3-fs: mounted filesystem with ordered data mode.
root@LS-WSGL678:~# df
Filesystem           1k-blocks      Used Available Use% Mounted on
/dev/md1               4993920    273380   4720540   5% /
/dev/ram1                15360        96     15264   1% /mnt/ram
/dev/md0                988064    120628    867436  12% /boot
/dev/disk1_6         236216784    279884 235936900   0% /mnt/disk1
/dev/disk2_6         236216784       928 236215856   0% /mnt/disk2
/dev/usbdisk1_1         988212    126072    811940  13% /mnt/usbdisk1
root@LS-WSGL678:~# ls /mnt/usbdisk1/
SATA1                           hddrootfs.buffalo.updated.done
conf_save.tgz                   initrd.buffalo
conf_save.tgz.orig              uImage.buffalo
root@LS-WSGL678:~#
sdc として認識され、sdc1 が /mnt/usbdisk1 にマウントされた。

initrd.buffalo のコピー

/mnt/usbdisk1/initrd.buffalo を待避してから /boot/initrd.buffalo を /mnt/usbdisk1 にコピーする。 
root@LS-WSGL678:~# cd /mnt/usbdisk1/
root@LS-WSGL678:/mnt/usbdisk1# ls
SATA1                           hddrootfs.buffalo.updated.done
conf_save.tgz                   initrd.buffalo
conf_save.tgz.orig              uImage.buffalo
root@LS-WSGL678:/mnt/usbdisk1# mv initrd.buffalo initrd.buffalo.orig
root@LS-WSGL678:/mnt/usbdisk1# (cd /boot; tar cf - initrd.buffalo)|tar xvf -
initrd.buffalo
tar: initrd.buffalo: time stamp 2008-03-02 09:30:17 is 10573861.463869 s in the future
root@LS-WSGL678:/mnt/usbdisk1# ls -l
-rw-r--r--    1 root     root            0 Sep  5  2008 SATA1
-rw-r--r--    1 root     root        23764 Nov  1  2007 conf_save.tgz
-rw-r--r--    1 root     root        23832 Nov  1  2007 conf_save.tgz.orig
-rw-r--r--    1 root     root    104734676 Jul 22  2008 hddrootfs.buffalo.updated.done
-rw-r--r--    1 root     root      5596134 Mar  2  2008 initrd.buffalo
-rw-r--r--    1 root     root      5622690 Jul 22  2008 initrd.buffalo.orig
-rw-r--r--    1 root     root      1757556 Nov  1  2007 uImage.buffalo
root@LS-WSGL678:/mnt/usbdisk1#

ファイルシステムを手作りした HDD から起動

電源 SW を OFF にスライドしてシャットダウン。
ファイルシステムを手作りした HDD ST325082 を SATA-2 に接続
電源を入れる。 
	:
	:
Marvell Serial ATA Adapter
Integrated Sata device found
  Device 0: OK
Model: ST3250823AS                              Firm: 3.02     Ser#:             3ND06QAZ
            Type: Hard Disk
            Supports 48-bit addressing
            Capacity: 238475.1 MB = 232.8 GB (488397168 x 512)

Using device ide0, partition 1

Loading from block device ide device 0, partition 1: Name: hda1
  Type: U-Boot  File:/uImage.buffalo

1757556 bytes read
   Image Name:   Linux-2.6.16.16-arm1
   Created:      2008-07-22   7:22:37 UTC
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    1757492 Bytes =  1.7 MB
   Load Address: 00008000
   Entry Point:  00008000
Using device ide0, partition 1

Loading from block device ide device 0, partition 1: Name: hda1
  Type: U-Boot  File:/initrd.buffalo

5596134 bytes read
   Image Name:   initrd
   Created:      2008-03-02   0:27:59 UTC
   Image Type:   ARM Linux RAMDisk Image (gzip compressed)
   Data Size:    5596070 Bytes =  5.3 MB
   Load Address: 00000000
   Entry Point:  00000000
Using device ide1, partition 1
** Bad partition 1 **
serch_boot_drv (182)>No kernel_file 1
Using device ide1, partition 1
** Bad partition 1 **
serch_boot_drv (237)>No init_file 1
Booting from Device 0
hit any key to switch tftp boot.
	:
	:
linuxrc:choose operation (timeout 4[s])
 1:RamRoot other:HddRoot  ? -HddRoot-
-- rebuild mdadm.conf for BOOT, ROOTFS --
mdadm: No arrays found in config file
-- setup max error counts --
/sys/block/md0/md/maxerr_cnt is setted to -1
Starting :fsck_disks(boot) ...         [Failed. ]
Starting :fsck_disks(rootfs) ...       [Success.]
Starting :mount(boot) ...              [Failed. ]
-- rebuild mdadm.conf for BOOT, ROOTFS --
mdadm: No arrays found in config file
-- setup max error counts --
/sys/block/md0/md/maxerr_cnt is setted to -1
/sys/block/md1/md/maxerr_cnt is setted to -1
/sys/block/md10/md/maxerr_cnt is setted to -1
/etc/init.d/startSysMd.sh: /etc/init.d/startSysMd.sh: 23: cannot create /sys/block/md10/md/maxerr_cnt: Directory nonexistent
/dev/md1: Invalid argument
mount: you must specify the filesystem type
/dev/md1: Invalid argument
mount: you must specify the filesystem type
md: md0 stopped.
mdadm: stopped /md: md1 stopped.
dev/md0
md: md10 stopped.
mdadm: stopped /dev/md1
mdadm: stopped /dev/md10
	:
	:
BUFFALO INC. LinkStation series
LS-WSGL-EM678 login:

EM モードに root でログイン

BUFFALO INC. LinkStation series
LS-WSGL-EM678 login: root
login[1231]: root login  on `ttyS0'



BusyBox v1.1.1 (2008.07.15-06:14+0000) Built-in shell (ash)
Enter 'help' for a list of built-in commands.

# mdadm -D /dev/md0
mdadm: md device /dev/md0 does not appear to be active.
#
よーし。

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