parted分区工具

Posted 2020-08-22

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

本文出自 “比尔linux运维笔记” 博客，请务必保留此出处http://chenshoubiao.blog.51cto.com/6159058/1881333