By using the registered version of Hard Disk Sentinel and setting Configuration -> Integration -> Enable WebStatus option, it is possible to get the complete hard disk status from any remote web browser, including mobile phone, PDA, tablet and so.
Kramttocs made an extension which uses this function to display the status of hard disks (and some general system information) from a remote computer:
More information: Gadget for access to remote machine topic in the forum of Hard Disk Sentinel
Thanks for KRAMTTOCS for making and sharing this gadget!
Just wanted to say thanks! This is the most useful gadget I have ever found!