parted -s /dev/sda "resizepart 2 -1"
lvextend -l +100%FREE /dev/mapper/centos-log
xfs_growfs /dev/mapper/centos-root
echo "1" > /sys/block/sdb/device/rescan pvresize /dev/sdb vgs lvresize -r -L +2G /dev/mapper/vg_root-lv_var
