参考：https://blog.csdn.net/mshxuyi/article/details/90902997 https://blog.csdn.net/Pipcie/article/details/105038319
vgs 查看可用容量
df -Th 查看挂载
umount /home 卸载home目录
e2fsck -f /dev/mapper/debian--vg-home 检查文件
resize2fs -p /dev/mapper/debian--vg-home 30G 缩减逻辑边界为30G
lvreduce -L 30G /dev/mapper/debian--vg-home 缩减物理边界
mount /home 重新挂载
lvextend -L +10G /dev/mapper/debian--vg-tmp扩展物理边界
resize2fs -p /dev/mapper/debian--vg-tmp扩展逻辑边界
标签：mapper,vg,--,分区,dev,大小,lvm,home,debian From： https://www.cnblogs.com/wy00000/p/17526898.html