[email protected] :~# fdisk /dev/sdb  \\對硬碟sdb進行分割槽

Command (m for help): n  \\建立新的分割槽
Command action
   e   extended
   p   primary partition (1-4)
   p                 \\建立主分割槽
Partition number (1-4): 1   
First cylinder (1-522, default 1):  \\預設值
Using default value 1
Last cylinder, +cylinders or +size{K,M,G} (1-522, default 522):  \\預設值 
Using default value 522

Command (m for help): p        //檢視當前分割槽

Disk /dev/sdb: 4294 MB, 4294967296 bytes
255 heads, 63 sectors/track, 522 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x542e4b15

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1         522     4192933+  83  Linux

Command (m for help): t  \\改變分割槽型別
Selected partition 1
Hex code (type L to list codes): 8e  \\更改為LVM型別分割槽
Changed system type of partition 1 to 8e (Linux LVM)

Command (m for help): w   \\ 保持退出
The partition table has been altered!

Calling ioctl() to re-read partition table.
Syncing disks.