COMMENT - HOW TO INCREASE HDD SIZE IN CENTOS-7
mkdir /temp
cp -a /home /temp/
umount -fl /home
lvs
lvremove /dev/centos/home
lvextend -L+60G /dev/centos/root
xfs_growfs /dev/mapper/centos-root
cp -a /temp/home /
rm -rf /temp
vi /etc/fstab
/dev/mapper/centos-home(Remove This Line)
dracut --regenerate-all --force