本文编写于 205 天前,最后修改于 205 天前,其中某些信息可能已经过时。
1.查看空闲的空间
代码语言:javascript复制[root@idc ~]# fdisk -l
2.使用fdisk开始分区
代码语言:javascript复制[root@idc ~]# fdisk /dev/sdb
Command (m for help): p #查看当前磁盘信息
Disk /dev/sdb: 139.6 GB, 139586437120 bytes, 272629760 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: 0xe81de2df
Device Boot Start End Blocks Id System
Command (m for help): n #创建分区
Partition type:
p primary (0 primary, 0 extended, 4 free)
e extended
Select (default p): p #主分区
Partition number (1-4, default 1): #回车默认
First sector (2048-272629759, default 2048): #回车默认
Using default value 2048
Last sector, sectors or size{K,M,G} (2048-272629759, default 272629759): #默认使用所有空间,可以 自
己想要的空间
Using default value 272629759
Partition 1 of type Linux and of size 130 GiB is set
Command (m for help): w #保存
The partition table has been altered!
3.使用fdisk再次查看该磁盘信息
代码语言:javascript复制[root@idc ~]# fdisk /dev/sdb
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/sdb: 139.6 GB, 139586437120 bytes, 272629760 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: 0xe81de2df
Device Boot Start End Blocks Id System
/dev/sdb1 2048 272629759 136313856 83 Linux
Command (m for help): q
4.格式化文件系统
代码语言:javascript复制[root@idc ~]# mkfs.ext4 /dev/sdb1
5.进行挂载分区
代码语言:javascript复制[root@idc ~]# mount /dev/sdb1 /emmm/
6.df -h查看挂载信息
代码语言:javascript复制[root@idc ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/centos-root 48G 3.2G 45G 7% /
devtmpfs 991M 0 991M 0% /dev
tmpfs 1001M 0 1001M 0% /dev/shm
tmpfs 1001M 100M 902M 10% /run
tmpfs 1001M 0 1001M 0% /sys/fs/cgroup
/dev/sda1 497M 134M 363M 27% /boot
tmpfs 201M 0 201M 0% /run/user/0
/dev/sdb1 128G 61M 122G 1% /emmm
7.查看该分区的UUID号
代码语言:javascript复制[root@idc ~]# blkid /dev/sdb1
/dev/sdb1: UUID="5dc66a53-27b2-4395-abc6-4dbffe7c1a6d" TYPE="ext4"
8.编辑/etc/fstab文件设置自动挂载
代码语言:javascript复制[root@idc ~]# vi /etc/fstab
UUID="5dc66a53-27b2-4395-abc6-4dbffe7c1a6d" /emmm ext4 defaults 0 0
9.验证自动挂载
代码语言:javascript复制[root@idc ~]# mount -a