默认一个硬盘,新增硬盘识别为sdb、sdbc一次类推
1.查看磁盘信息
>fdisk -l
![Centos添加硬盘分区、挂载磁盘 Centos添加硬盘分区、挂载磁盘](https://image.shishitao.com:8440/aHR0cDovL2ltYWdlczIwMTUuY25ibG9ncy5jb20vYmxvZy82MTE4MTUvMjAxNjAxLzYxMTgxNS0yMDE2MDExNTA5NTE0OTY3OC0xMDE1NDQ1NDMzLnBuZw%3D%3D.png?w=700)
#新磁盘为/dev/sdb,截图是已经分区完成了。
2.进入分区界面
>fdisk /dev/sdb
![Centos添加硬盘分区、挂载磁盘 Centos添加硬盘分区、挂载磁盘](https://image.shishitao.com:8440/aHR0cDovL2ltYWdlczIwMTUuY25ibG9ncy5jb20vYmxvZy82MTE4MTUvMjAxNjAxLzYxMTgxNS0yMDE2MDExNTA5NTE1MDAyMi0xNjc5ODA2NzkwLnBuZw%3D%3D.png?w=700)
3.创建一个分区
p:查看磁盘信息
n:创建分区
p:创建主分区
1:选择分区数
以下都是默认回车即可
![Centos添加硬盘分区、挂载磁盘 Centos添加硬盘分区、挂载磁盘](https://image.shishitao.com:8440/aHR0cDovL2ltYWdlczIwMTUuY25ibG9ncy5jb20vYmxvZy82MTE4MTUvMjAxNjAxLzYxMTgxNS0yMDE2MDExNTA5NTE1MDMxOS0xNDA5Mzc0NTAwLnBuZw%3D%3D.png?w=700)
5.分区信息写入磁盘
![Centos添加硬盘分区、挂载磁盘 Centos添加硬盘分区、挂载磁盘](https://image.shishitao.com:8440/aHR0cDovL2ltYWdlczIwMTUuY25ibG9ncy5jb20vYmxvZy82MTE4MTUvMjAxNjAxLzYxMTgxNS0yMDE2MDExNTA5NTE1MDU2OS0xNDM0Nzc3NjE3LnBuZw%3D%3D.png?w=700)
6.格式化分区
>mkfs.ext4 /dev/sdb1
![Centos添加硬盘分区、挂载磁盘 Centos添加硬盘分区、挂载磁盘](https://image.shishitao.com:8440/aHR0cDovL2ltYWdlczIwMTUuY25ibG9ncy5jb20vYmxvZy82MTE4MTUvMjAxNjAxLzYxMTgxNS0yMDE2MDExNTA5NTE1MDc4OC01MTcxNjI4MjUucG5n.png?w=700)
7.编辑分区信息
>vim /etc/fstab
![Centos添加硬盘分区、挂载磁盘 Centos添加硬盘分区、挂载磁盘](https://image.shishitao.com:8440/aHR0cDovL2ltYWdlczIwMTUuY25ibG9ncy5jb20vYmxvZy82MTE4MTUvMjAxNjAxLzYxMTgxNS0yMDE2MDExNTA5NTE1MTAwNy02NDgwMzc3MzMucG5n.png?w=700)
8.挂载分区
> mount -a
8.查看挂载情况
>df -h
#挂载成功
![Centos添加硬盘分区、挂载磁盘 Centos添加硬盘分区、挂载磁盘](https://image.shishitao.com:8440/aHR0cDovL2ltYWdlczIwMTUuY25ibG9ncy5jb20vYmxvZy82MTE4MTUvMjAxNjAxLzYxMTgxNS0yMDE2MDExNTA5NTE1MTI4OC0xNjY1OTI2NDMwLnBuZw%3D%3D.png?w=700)