ARM Linux使用SD卡根文件系统

Command (m for help): n

Command action
   e   extended
   p   primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-1020, default 1):
Using default value 1
Last cylinder or +size or +sizeM or +sizeK (1-1020, default 1020): +400M

Command (m for help): n
Command action
   e   extended
   p   primary partition (1-4)
p
Partition number (1-4): 2
First cylinder (202-1020, default 202):
Using default value 202
Last cylinder or +size or +sizeM or +sizeK (202-1020, default 1020):
Using default value 1020

Command (m for help): p

Disk /dev/sdb: 2041 MB, 2041577472 bytes
63 heads, 62 sectors/track, 1020 cylinders
Units = cylinders of 3906 * 512 = 1999872 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1         201      392522    b  W95 FAT32
/dev/sdb2             202        1020     1599507   83  Linux

Command (m for help): w
The partition table has been altered!

Calling ioctl() to re-read partition table.

WARNING: Re-reading the partition table failed with error 16: 设备或资源忙.
The kernel still uses the old table.
The new table will be used at the next reboot.

WARNING: If you have created or modified any DOS 6.x
partitions, please see the fdisk manual page for additional
information.
Syncing disks.