How to format/create or delete drive in SUSE
At a terminal prompt, type yast2 disk
Click Yes at the warning.
Highlight the new device (e.g., sdb or sdc).
Remove existing partitions on the USB hard dive.
Click Yes to really delete the partition.
Click Continue if prompted to unmount the drive.
Create a new partition on the USB drive.
Click the radio button next to the new device and click OK.
Click OK to create a primary partition.
Click Finish and continue to format the drive
eject (to unmount the image)
eject –trayclose (to close the tray)