使用fdisk管理磁盤分區
使用fdisk命令對sdc硬盤分區：
# fdisk /dev/sdc
Welcome to fdisk (util-linux 2.23.2).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
## m 調出幫助說明
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
g create a new empty GPT partition table
G create an IRIX (SGI) partition table
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)
##p 打印分區表
Command (m for help): p
Disk /dev/sdc: 53.7 GB, 53687091200 bytes, 104857600 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x2ebdc3b7
Device Boot Start End Blocks Id System
##n 新建分區
Command (m for help): n
Partition type:
p primary (0 primary, 0 extended, 4 free)
e extended
##p代表主分區，e代表擴展分區
Select (default p): p
##1表示分區編號爲1
Partition number (1-4, default 1): 1
##輸入磁盤起始扇區，直接回車表示使用默認值
First sector (2048-104857599, default 2048):
Using default value 2048
##輸入磁盤結束扇區，直接回車表示使用默認值(這裏表示超出磁盤大小了)
Last sector, +sectors or +size{K,M,G} (2048-104857599, default 104857599): +50G
Value out of range.
Last sector, +sectors or +size{K,M,G} (2048-104857599, default 104857599): +49G
Partition 1 of type Linux and of size 49 GiB is set
##p 打印分區表，這裏就可以看到分區表信息了
Command (m for help): p
Disk /dev/sdc: 53.7 GB, 53687091200 bytes, 104857600 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x2ebdc3b7
Device Boot Start End Blocks Id System
/dev/sdc1 2048 102762495 51380224 83 Linux
## w 將分區信息寫入磁盤
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.##格式化磁盤
# mkfs.ext4 /dev/sdc1
##創建掛載點
# mkdir -p /data/sdv1
##掛載
# mount /dev/sdc1 /data/sdv1/
使用parted管理磁盤分區
使用fdisk命令對sdd硬盤分區(大於2T磁盤掛載可使用)：
[root@cy1 ~]# parted /dev/sdf
GNU Parted 3.1
Using /dev/sde
Welcome to GNU Parted! Type 'help' to view a list of commands.
##help 打印幫助信息
(parted) help
align-check TYPE N check partition N for TYPE(min|opt) alignment
help [COMMAND] print general help, or help on COMMAND
mklabel,mktable LABEL-TYPE create a new disklabel (partition table)
mkpart PART-TYPE [FS-TYPE] START END make a partition
name NUMBER NAME name partition NUMBER as NAME
print [devices|free|list,all|NUMBER] display the partition table, available devices,
free space, all found partitions, or a particular partition
quit exit program
rescue START END rescue a lost partition near START and END
rm NUMBER delete partition NUMBER
select DEVICE choose the device to edit
disk_set FLAG STATE change the FLAG on selected device
disk_toggle [FLAG] toggle the state of FLAG on selected device
set NUMBER FLAG STATE change the FLAG on partition NUMBER
toggle [NUMBER [FLAG]] toggle the state of FLAG on partition NUMBER
unit UNIT set the default unit to UNIT
version display the version number and copyright
information of GNU Parted
##打印當前磁盤信息
(parted) print
Error: /dev/sde: unrecognised disk label
Model: VMware Virtual disk (scsi)
Disk /dev/sde: 53.7GB
Sector size (logical/physical): 512B/512B
Partition Table: unknown
Disk Flags:
##轉換磁盤分區格式(大於2T使用GPT格式)
(parted) mklabel gpt
##設置單位
(parted) unit GB
##創建分區(0爲起始，53.7爲結束)
(parted) mkpart primary 0 53.7
##打印當前分區信息
(parted) print
Model: VMware Virtual disk (scsi)
Disk /dev/sde: 53.7GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 0.00GB 53.7GB 53.7GB primary
##退出
(parted) quit
Information: You may need to update /etc/fstab.
##格式化磁盤
# mkfs.ext4 /dev/sdf1
##創建掛載點
# mkdir -p /data/sdv2
##掛載
# mount /dev/sdf1 /data/sdv2/添加交換分區
交換分區添加方式和普通分區差不多：
# fdisk /dev/sdd
Welcome to fdisk (util-linux 2.23.2).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Command (m for help): p
Disk /dev/sdd: 53.7 GB, 53687091200 bytes, 104857600 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x000d2019
Device Boot Start End Blocks Id System
Command (m for help): n
Partition type:
p primary (0 primary, 0 extended, 4 free)
e extended
Select (default p): p
Partition number (1-4, default 1): 1
First sector (2048-104857599, default 2048):
Using default value 2048
Last sector, +sectors or +size{K,M,G} (2048-104857599, default 104857599): +8G
Partition 1 of type Linux and of size 8 GiB is set
Command (m for help): p
Disk /dev/sdd: 53.7 GB, 53687091200 bytes, 104857600 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x000d2019
Device Boot Start End Blocks Id System
/dev/sdd1 2048 16779263 8388608 83 Linux
##t 修改分區類型
Command (m for help): t
Selected partition 1
##l 列出支持的分區類型
Hex code (type L to list all codes): l
0 Empty 24 NEC DOS 81 Minix / old Lin bf Solaris
1 FAT12 27 Hidden NTFS Win 82 Linux swap / So c1 DRDOS/sec (FAT-
2 XENIX root 39 Plan 9 83 Linux c4 DRDOS/sec (FAT-
3 XENIX usr 3c PartitionMagic 84 OS/2 hidden C: c6 DRDOS/sec (FAT-
4 FAT16 <32M 40 Venix 80286 85 Linux extended c7 Syrinx
5 Extended 41 PPC PReP Boot 86 NTFS volume set da Non-FS data
6 FAT16 42 SFS 87 NTFS volume set db CP/M / CTOS / .
7 HPFS/NTFS/exFAT 4d QNX4.x 88 Linux plaintext de Dell Utility
8 AIX 4e QNX4.x 2nd part 8e Linux LVM df BootIt
9 AIX bootable 4f QNX4.x 3rd part 93 Amoeba e1 DOS access
a OS/2 Boot Manag 50 OnTrack DM 94 Amoeba BBT e3 DOS R/O
b W95 FAT32 51 OnTrack DM6 Aux 9f BSD/OS e4 SpeedStor
c W95 FAT32 (LBA) 52 CP/M a0 IBM Thinkpad hi eb BeOS fs
e W95 FAT16 (LBA) 53 OnTrack DM6 Aux a5 FreeBSD ee GPT
f W95 Ext'd (LBA) 54 OnTrackDM6 a6 OpenBSD ef EFI (FAT-12/16/
10 OPUS 55 EZ-Drive a7 NeXTSTEP f0 Linux/PA-RISC b
11 Hidden FAT12 56 Golden Bow a8 Darwin UFS f1 SpeedStor
12 Compaq diagnost 5c Priam Edisk a9 NetBSD f4 SpeedStor
14 Hidden FAT16 <3 61 SpeedStor ab Darwin boot f2 DOS secondary
16 Hidden FAT16 63 GNU HURD or Sys af HFS / HFS+ fb VMware VMFS
17 Hidden HPFS/NTF 64 Novell Netware b7 BSDI fs fc VMware VMKCORE
18 AST SmartSleep 65 Novell Netware b8 BSDI swap fd Linux raid auto
1b Hidden W95 FAT3 70 DiskSecure Mult bb Boot Wizard hid fe LANstep
1c Hidden W95 FAT3 75 PC/IX be Solaris boot ff BBT
1e Hidden W95 FAT1 80 Old Minix
##82 表示Linux swap
Hex code (type L to list all codes): 82
Changed type of partition 'Linux' to 'Linux swap / Solaris'
Command (m for help): p
Disk /dev/sdd: 53.7 GB, 53687091200 bytes, 104857600 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x000d2019
Device Boot Start End Blocks Id System
/dev/sdd1 2048 16779263 8388608 82 Linux swap / Solaris
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.##格式化磁盤
# mkswap /dev/sdd1
##開啓swap
# swapon /dev/sdd1設置開機自動掛載
##在/etc/fstab添加配置：
# vi /etc/fstab
/dev/sdc1 /data/sdv1/ ext4 defaults,noatime 1 2
/dev/sdf1 /data/sdv2/ ext4 defaults,noatime 1 2
/dev/sdd1 swap swap defaults 0 0 
