**CentOS 7 调整 home分区 扩大 root分区**

2. 查看分区

`df -h (centos-home`**和**`centos-root`**每人的名字可能不一样**

```
```
) ￼vgdisplay (
```

```
**查看空闲磁盘大小）**`￼`

4. 备份home分区文件

```
```
tar cvf /tmp/home.tar /home￼
```

```
6. 卸载/home，如果无法卸载，先终止使用/home文件系统的进程

`umount /home` **（卸载）**

```
```
￼
fuser -km /home/
```

```
**（终止）**`￼`

8. 删除/home所在的lv

```
```
lvremove /dev/mapper/centos-home￼
```

```
10. 扩展/root所在的lv

```
```
lvextend -L +50G /dev/mapper/centos-root￼
```

```
12. 扩展/root文件系统

```
```
xfs_growfs /dev/mapper/centos-root￼
```

```
14. 重新创建home lv

```
```
lvcreate -L 50G -n /dev/mapper/centos-home￼
```

```
16. 创建文件系统

```
```
mkfs.xfs /dev/mapper/centos-home￼
```

```
18. 挂载home

```
```
mount /dev/mapper/centos-home￼
```

```
20. home文件恢复

`tar xvf /tmp/home.tar -C /home/`
 > 来自 <[https://www.jianshu.com/p/27c87f390175](https://www.jianshu.com/p/27c87f390175)>
 > 来自 <[https://www.jianshu.com/p/27c87f390175](https://www.jianshu.com/p/27c87f390175)>