[root@flow2 /]# blkid
/dev/sda1: UUID="8b03ef26-3d77-476a-a9f3-7716016e9a32" TYPE="ext4" 
/dev/mapper/flow2-data: UUID="f0434e85-f0f2-49a7-86b4-49fb28a9cd8d" TYPE="ext4" 
/dev/sdb: UUID="3QdDg3-9s4R-jEuQ-2Y1Z-NMVl-JC70-TUJbOz" TYPE="LVM2_member"