88 lines
1.2 KiB
Markdown
Executable File
88 lines
1.2 KiB
Markdown
Executable File
**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)> |