To do what?
Do you have only one hard drive? Do you have any USB devices, flash drives attached?
Have you removed any drives?
Where is your mount point? You initially indicate it is /Data which would put it in the root partition and your mount command shows it in the /mnt partition. Which is it?
Was there any additional information with the Yast error 3033?
What does fdisk output show under ID column for hdb2?