Update from Sync Service
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@@ -4,67 +4,85 @@
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`df -h (centos-home`==和==`centos-root`==每人的名字可能不一样==
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```
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```
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) vgdisplay (
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```
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```
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==查看空闲磁盘大小)==``
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4. 备份home分区文件
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```
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```
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tar cvf /tmp/home.tar /home
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```
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```
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6. 卸载/home,如果无法卸载,先终止使用/home文件系统的进程
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`umount /home` ==(卸载)==
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```
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```
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fuser -km /home/
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```
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```
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==(终止)==``
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8. 删除/home所在的lv
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```
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```
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lvremove /dev/mapper/centos-home
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```
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```
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10. 扩展/root所在的lv
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```
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```
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lvextend -L +50G /dev/mapper/centos-root
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```
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```
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12. 扩展/root文件系统
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```
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```
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xfs_growfs /dev/mapper/centos-root
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```
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```
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14. 重新创建home lv
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```
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```
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lvcreate -L 50G -n /dev/mapper/centos-home
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```
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```
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16. 创建文件系统
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```
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```
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mkfs.xfs /dev/mapper/centos-home
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```
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```
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18. 挂载home
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```
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```
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mount /dev/mapper/centos-home
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```
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```
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20. home文件恢复
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`tar xvf /tmp/home.tar -C /home/`
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\> 来自 \<[https://www.jianshu.com/p/27c87f390175](https://www.jianshu.com/p/27c87f390175)\>
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\> 来自 \<[https://www.jianshu.com/p/27c87f390175](https://www.jianshu.com/p/27c87f390175)\>
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> 来自 <[https://www.jianshu.com/p/27c87f390175](https://www.jianshu.com/p/27c87f390175)>
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> 来自 <[https://www.jianshu.com/p/27c87f390175](https://www.jianshu.com/p/27c87f390175)>
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