# use SSD as swap
sudo parted /dev/xvdf
mklabel gpt
mkpart primary 0 100%
sudo mkfs.ext4 /dev/xvdf1
sudo mount /dev/xvdf1 ssd
sudo fallocate -l 160G ssd/swapfile
sudo chmod 600 ssd/swapfile
sudo mkswap ssd/swapfile
sudo swapon ssd/swapfile
#LVM
sudo pvcreate /dev/xvdb1 /dev/xvdc1
sudo vgcreate sysvg /dev/xvdb1 /dev/xvdc1
sudo lvcreate -l 100%FREE -n syslv sysvg
sudo lvdisplay
#make file system
sudo mkfs.ext4 /dev/sysvg/syslv
sudo mount /dev/sysvg/syslv /ssd
