Linux 格式化硬盘、分区

查看当前硬盘

fdisk -l

格式化硬盘

mkfs -t ext4 /dev/sdb

分区

fdisk /dev/sdb
然后按提示输入

root@test:/# fdisk /dev/sdb

Welcome to fdisk (util-linux 2.27.1).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.


Command (m for help): n
Partition type
   p   primary (1 primary, 0 extended, 3 free)
   e   extended (container for logical partitions)
Select (default p): p
Partition number (2-4, default 2): 2
First sector (651175056-1953525167, default 651175936): 
Last sector, +sectors or +size{K,M,G,T,P} (651175936-1953525167, default 1953525167): 1302350111

Created a new partition 2 of type 'Linux' and of size 310.5 GiB.

Command (m for help): wq
The partition table has been altered.
Calling ioctl() to re-read partition table.
  • 如果遇到提示Re-reading the partition table failed.: Device or resource busy
    用命令partprobe

初始化分区

mkfs.ext4 /dev/sdb1

挂载到本地

mount /dev/sdb1 /mnt/disk_1

查看磁盘使用情况

df -l

提示partition满了,解决办法

把swapper分区删掉(不是一个好办法,但是能解决问题)
通过fdisk -l查看哪个是swapp
swapoff /dev/sdb*
然后通过fdisk /dev/sdb删掉swapp分区,这样就多了个partition

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