9.13. 将镜像 LVM 设备转换为 RAID1 逻辑卷

流程

1. 查看镜像逻辑卷 my_vg/my_lv 的布局：

   # lvs -a -o name,copy_percent,devices my_vg
     LV               Copy%  Devices
     my_lv             15.20 my_lv_mimage_0(0),my_lv_mimage_1(0)
     [my_lv_mimage_0]        /dev/sde1(0)
     [my_lv_mimage_1]        /dev/sdf1(0)
     [my_lv_mlog]            /dev/sdd1(0)

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2. 将镜像逻辑卷 my_vg/my_lv 转换为 RAID1 逻辑卷：

   # lvconvert --type raid1 my_vg/my_lv
   Are you sure you want to convert mirror LV my_vg/my_lv to raid1 type? [y/n]: y
   Logical volume my_vg/my_lv successfully converted.

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