#第五步: [root@dhcp-1 ~]#mount /dev/vg_data/lv_data mysql [root@dhcp-1 ~]#df -h /dev/vg_data/lv_data Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_data-lv_data 2.0G 1.8M 1.9G 1% /root/mysql [root@dhcp-1 ~]#lvs LV VG Attr LSize Pool Origin Data% Meta% ...