Linux新增新磁碟及掛載
阿新 • • 發佈:2018-12-22
目錄
檢視磁碟
以root使用者登入,執行fdisk -lu
檢視所有磁碟資訊
建立分割槽
進入磁碟/dev/sdb
命令: fdisk /dev/sdb
輸入m 檢視命令幫助如下:
[email protected]:/# fdisk /dev/sdb
Welcome to fdisk (util-linux 2.29.2).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Device does not contain a recognized partition table.
Created a new DOS disklabel with disk identifier 0x886fa276.
Command (m for help): m
Help:
DOS (MBR)
a toggle a bootable flag
b edit nested BSD disklabel
c toggle the dos compatibility flag
Generic
d delete a partition
F list free unpartitioned space
l list known partition types
n add a new partition
p print the partition table
t change a partition type
v verify the partition table
i print information about a partition
Misc
m print this menu
u change display/entry units
x extra functionality (experts only)
Script
I load disk layout from sfdisk script file
O dump disk layout to sfdisk script file
Save & Exit
w write table to disk and exit
q quit without saving changes
Create a new label
g create a new empty GPT partition table
G create a new empty SGI (IRIX) partition table
o create a new empty DOS partition table
s create a new empty Sun partition table
輸入n
進行分割槽:
一定記得輸入w才能儲存分割槽更改
fdisk -l
新增分割槽為/dev/sdb1
格式化
# mkfs.ext4 /dev/sdb1
掛載
mount
命令可以將分割槽掛載到目錄下
建立/opt/app
目錄
# mkdir /opt/app
掛載
# mount /dev/sdb1 /opt/app
檢視
# df -h
配置開機自動掛載
vim /etc/fstab
後面追加一行:
/dev/sdb1(磁碟分割槽) /opt/app(掛載目錄) ext4(檔案格式)defaults 0 0