A20 adb shell命令实现硬盘分区

发布时间：2014-09-05 13:41:56作者：知识屋

1'输入busybox fdisk /dev/block/sda ；

2'在Command (m for help):后输入m，查看帮助；

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

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)

3'输入查看p,若如果之前用过就会有显示，

Command (m for help): p

Disk /dev/block/sda: 500.1 GB, 500107862016 bytes

255 heads, 63 sectors/track, 60801 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System

4'选择删除d,

Command (m for help): d

No partition is defined yet!

5'新建分区n,

Command (m for help): n

Command action

e extended

p primary partition (1-4)

6'选择p,

Partition number (1-4):

7'选择分区的数目，我选择1，

Partition number (1-4): 1

First cylinder (1-60801, default 1):

8‘ 直接回车（主分区的起始位置）；默认为1,默认就好；

First cylinder (1-60801, default 1):

Using default value 1

Last cylinder or +size or +sizeM or +sizeK (1-60801, default 60801):

9’这个是定义分区大小的，+499000M 就是大小为+499000M ；当然您也可以根据p提示的单位cylinder的大小来算，然后来指定 End的数值。回头看看是怎么算的；还是用+499000M这个办法来添加，这样能直观一点。我硬盘是500G，所以就是499G，如果您想添加一个10G左右大小的分区，请输入 +10000M ；

Last cylinder or +size or +sizeM or +sizeK (1-60801, default 60801): +499000M

+499000M

10‘通过t来指定分区类型t；

Command (m for help): t

Selected partition 1

Hex code (type L to list codes):

11'在这里输入L，就可以查看分区类型的id了

Hex code (type L to list codes): L

0 Empty 1b Hidden Win95 FAT32 9f BSD/OS

1 FAT12 1c Hidden W95 FAT32 (LBA) a0 Thinkpad hibernation

4 FAT16 <32M 1e Hidden W95 FAT16 (LBA) a5 FreeBSD

5 Extended 3c Part.Magic recovery a6 OpenBSD

6 FAT16 41 PPC PReP Boot a8 Darwin UFS

7 HPFS/NTFS 42 SFS a9 NetBSD

a OS/2 Boot Manager 63 GNU HURD or SysV ab Darwin boot

b Win95 FAT32 80 Old Minix b7 BSDI fs

c Win95 FAT32 (LBA) 81 Minix / old Linux b8 BSDI swap

e Win95 FAT16 (LBA) 82 Linux swap be Solaris boot

f Win95 Ext'd (LBA) 83 Linux eb BeOS fs

11 Hidden FAT12 84 OS/2 hidden C: drive ee EFI GPT

12 Compaq diagnostics 85 Linux extended ef EFI (FAT-12/16/32)

14 Hidden FAT16 <32M 86 NTFS volume set f0 Linux/PA-RISC boot

16 Hidden FAT16 87 NTFS volume set f2 DOS secondary

17 Hidden HPFS/NTFS 8e Linux LVM fd Linux raid autodetect

Hex code (type L to list codes):

12'选择83，

Hex code (type L to list codes): 83

14’在看一下p

Command (m for help): p

Disk /dev/block/sda: 500.1 GB, 500107862016 bytes

255 heads, 63 sectors/track, 60801 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System

/dev/block/sda1 1 60668 487315678+ 83 Linux

确实出来啦！

15‘创建w

Command (m for help): w

The partition table has been altered!

Calling ioctl() to re-read partition table

16’对分区进行格式化，以及加载；

输入busybox mkfs.ext2 /dev/block/sda

root@android :/ # busybox mkfs.ext2 /dev/block/sda

busybox mkfs.ext2 /dev/block/sda

Filesystem label=

OS type: Linux

Block size=4096 (log=2)

Fragment size=4096 (log=2)

30531584 inodes, 122096646 blocks

6104832 blocks (5%) reserved for the super user

First data block=0

Maximum filesystem blocks=125829120

3727 block groups

32768 blocks per group, 32768 fragments per group

8192 inodes per group

Superblock backups stored on blocks:

32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,

4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968, 102400000

...........

(需要注意如果之前mount过，一定要Umount掉 --busybox unmount /dev/block/sda否则会出错

busybox mkfs.ext2 /dev/block/sda

mkfs.ext2: can't format mounted filesystem)

17‘挂载mount -t ext2 /dev/block/sda /mnt/sata

OK ,buysybox df -h一下：

root@android :/ # busybox df -h

busybox df -h

Filesystem Size Used Available Use% Mounted on

tmpfs 153.4M 32.0K 153.4M 0% /dev

tmpfs 153.4M 0 153.4M 0% /mnt/asec

tmpfs 153.4M 0 153.4M 0% /mnt/obb

/dev/block/system 504.4M 257.9M 246.5M 51% /system

/dev/block/data 504.4M 57.7M 446.7M 11% /data

/dev/block/cache 252.1M 4.3M 247.8M 2% /cache

/dev/block/vold/93:72

2.1G 48.0K 2.1G 0% /mnt/sdcard

/dev/block/vold/93:72

2.1G 48.0K 2.1G 0% /mnt/secure/asec

/dev/block/sda 458.5G 62.5M 435.2G 0% /mnt/sata

出来啦，激动吧！

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A20 adb shell命令实现硬盘分区

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