#检测坏道smartctl -a /dev/sdd#硬盘检测e2fsck -f /dev/mapper/vg_root-lv_data#重新定义空间大小，将原来的大小上减去要移走的硬盘resize2fs -p /dev/mapper/vg_root-lv_data 1500Glvreduce -L 1500G /dev/mapper/vg_root-lv_data#移动数据pvmove -i  /dev/sdd#注销硬盘pvchange -xn /dev/sdd#查看激活状态：Allocatable=NOpvdisplay -m  #从逻辑卷中删除vgreduce vg_root /dev/sdd #删除物理卷pvremove /dev/sdd #查看物理卷pvdisplay -m#查看剩余未分配空间pvscan#添加硬盘pvcreate /dev/sdd#添加到卷组vgextend vg_root /dev/sdd#扩容lvresize -l +100%FREE /dev/mapper/vg_root-lv_data#重新加载逻辑卷大小resize2fs /dev/mapper/vg_root-lv_data