Disk management

new_partition_and_resize_volumes

# Adapted from <https://superuser.com/questions/332252/creating-and-formating-a-partition-using-a-bash-script> 

(
echo d # Delete sda2 partition table
echo 2 # Default = sda2 
echo n # Add a new sda2 partition
echo p # Primary partition
echo 2 # Partition number
echo    # First sector (Accept default: 2099200)
echo    # Last sector (Accept default: varies, e.g 104857599)
echo t # Tag partition
echo 2 # Default = sda2
echo 8e # Type "Linux VM"
echo w # Write changes
) | sudo fdisk /dev/sda

# REBOOT !

pvresize /dev/sda2
lvextend -L +5G /dev/mapper/vg_root-lv_home
xfs_growfs /home
lvcreate -L 25G -n lv_data vg_root
mkfs.xfs /dev/vg_root/lv_data
mkdir /data
mount -t xfs /dev/vg_root/lv_data /data

echo "/dev/mapper/vg_root-lv_data /data                  xfs     defaults        0 0" >> /etc/fstab