增加lv

sudo pvcreate /dev/sdc1

sudo vgextend ssd /dev/sdc1

sudo lvcreate -L 120G -n vbox ssd

sudo mkfs.ext4  /dev/ssd/vbox

sudo resize2fs /dev/hdd/file 400G

sudo lvresize -L 410G /dev/hdd/file

sudo pvmove /dev/sda3 /dev/sda1

sudo pvmove /dev/sda4 /dev/sda1

sudo vgreduce --all hdd

sudo pvcreate /dev/sdc1

sudo vgextend ssd /dev/sdc1

sudo lvresize -L +500M -r /dev/ssd/vbox