探索

找到 4 角色和集合.

lvm 4 logical 3 volume 3 lv 2 filesystem 2 sysadmin 1 backup 1 docker 1 freeze 1 lvs 1 snapshot 1 fdisk 1 LogicalVolume 1 parted 1 system 1 partitioning 1 permissions 1 vg 1 group 1 VolumeGroup 1 manager 1 mount 1 physical 1 storage 1