yum install -y psmisc
fuser -km /home
umount /home
lvremove /dev/centos/home
vgdisplay
lvcreate -L 30G -n home centos
vgchange -ay centos
mkfs -t xfs /dev/centos/home
mount /dev/centos/home /home/
vgdisplay
lvextend -L +250G /dev/centos/root
xfs_growfs /dev/centos/root
xfs_growfs /dev/centos/root