you can use usbmanager...
USBManager is a simple and intuitive tool developed to help people who
have hard times managing theirs USB storage devices.
Some of the USBManager features:
* Notifications to keep the user informed.
* Helps the user to change it's device labels. Currently support
FAT16, FAT32, NTFS, EXT2, EXT3 and EXT4.
* Provide detailed information about the device.
* Disk usage analysis which provides an overview of the device and
a datailed view of each folder.
But it is yet in testing, you have to activate testing in your section line. After you have installed usbmanager, disable testing.