Disk indicator is a small indicator for Unity, Xfce and other desktops which displays the mounted drives. It provides options to mount/unmount regular volumes, lock/unlock encrypted volumes and mount/unmount ISO files.
Image may be NSFW.
Clik here to view.
Installation
Ubuntu and derivatives (Ubuntu, Linux Mint, etc)
Packages are available in the Launchpad PPA for supported Ubuntu releases. Run the following commands in a terminal window:
sudo apt-add-repository -y ppa:teejee2008/ppa
sudo apt-get update
sudo apt-get install indicator-diskman
For older Ubuntu releases which have reached end-of-life, you can install from the DEB files linked below.
indicator-diskman-latest-i386.deb (32-bit)
indicator-diskman-latest-amd64.deb (64-bit)