parted分区工具

Parted是一个磁盘分区管理工具，它比fdisk更加灵活，功能也更丰富。

[[email protected] ~]# parted /dev/sdb    分区

GNU Parted 2.1

Using /dev/sdb

Welcome to GNU Parted! Type ‘help‘ to view a list of commands.

(parted) help     #打印帮助信息

align-check TYPE N                        check partition N for TYPE(min|opt)

alignment

check NUMBER                             do a simple check on the file system

cp [FROM-DEVICE] FROM-NUMBER TO-NUMBER   copy file system to another

partition

help [COMMAND]                           print general help, or help on

COMMAND

mklabel,mktable LABEL-TYPE               create a new disklabel (partition

table)

mkfs NUMBER FS-TYPE                      make a FS-TYPE file system on

(parted) mklabel gpt    #要把整个磁盘转换为gpt格式才可以用parted分区

(parted) mkpart primary 0 500   #分一个主分区大小为500M，0-500是序号

Warning: The resulting partition is not properly aligned for best performance.

Ignore/Cancel? Ignore    #忽略

(parted) p               #打印分区表  

Model: VMware, VMware Virtual S (scsi)

Disk /dev/sdb: 1074MB

Sector size (logical/physical): 512B/512B

Partition Table: gpt

Number  Start   End    Size   File system  Name     Flags

1      17.4kB  500MB  500MB               primary

(parted) mkpart logical 501 1000     #分逻辑分区大小500M

(parted) p                                                        

Model: VMware, VMware Virtual S (scsi)

Disk /dev/sdb: 1074MB

Sector size (logical/physical): 512B/512B

Partition Table: gpt

Number  Start   End     Size   File system  Name     Flags

1      17.4kB  500MB   500MB               primary

2      501MB   1000MB  499MB               logical

(parted) quit      #分区好退出直接保存了

Information: You may need to update /etc/fstab.

[[email protected] ~]# mkfs -t ext4 /dev/sdb  #格式化

[[email protected] ~]# mount /dev/sdb /tmp  #挂载

[[email protected] ~]# df -h

Filesystem      Size  Used Avail Use% Mounted on

/dev/sda3        19G  886M   17G   5% /

tmpfs           495M     0  495M   0% /dev/shm

/dev/sda1        97M   27M   66M  29% /boot

/dev/sda2      1008M   34M  924M   4% /swap

/dev/sdb       1008M   34M  924M   4% /tmp

---------------------------------------------------

[[email protected] ~]# mkfs -t ext4 /dev/sdb1  #重新格式，提示一个错误

mke2fs 1.41.12 (17-May-2010)

Filesystem label=

OS type: Linux……………

180 days, whichever comes first.  Use tune2fs -c or -i to override.

[[email protected] ~]# tune2fs -c -1 /dev/sdb1 #需要用提示的命令处理一下

[[email protected] ~]# mount /dev/sdb1 /tmp #重新挂载

[[email protected] ~]# df -h

Filesystem      Size  Used Avail Use% Mounted on

/dev/sda3        19G  886M   17G   5% /

tmpfs           495M     0  495M   0% /dev/shm

/dev/sda1        97M   27M   66M  29% /boot

/dev/sda2      1008M   34M  924M   4% /swap

/dev/sdb1       462M   11M  428M   3% /tmp