I did see the article. The article itself seemed to be for when an iPod appears in the Finder in Mac OS X, but does not appear in the iTunes Source list, which is not the case for me. Mine is not showing up anywhere. Unfortunately, when I went to the articles link for "If iPod is not showing up anywhere, then try these steps first", it ultimately brought be back to steps I have already tried.
I also clicked on the grey name of the iPod in Disk Utilities and then clicked on Mount, but I got a message stating that the iPod could not be mounted. The message suggested running First Aid, but when I checked on-line I found the following information (http://support.apple.com/kb/HT1782):
You may experience some issues if you try to verify or repair any unmountable, non-startup disk.
Issues may occur if you try to verify or repair unmountable disks
Disk Utility may stop responding without displaying an error message, or stall your computer for several seconds, when trying to verify or repair some non-startup volumes that can't be unmounted.
If you try to verify a volume that is not your startup disk but for some reason Disk Utility can't unmount the volume (for example, the disk may have open files), the verification will appear to start but then stop without displaying any alert message. If you look in the Console (/Applications/Utilities/), you will see an entry like this:
Verifying volume “Storage”
The disk “Storage” could not be unmounted
Could not unmount disk for verification, attempting live verify
If you try to repair a disk that cannot be unmounted, the repair will appear to start, but then stop as Disk Utility displays this message: "Repairing disk failed with error. Could not unmount disk."
It also stated, Once you start a Live Verification, you may not be able to cancel it, depending on how far along it has progressed --- and that concerned me.
If I am reading the above correctly, it does not seem as if Disk Utilities will work if the device is unmountable. Also, I am concerned about doing something that might damage the iPod further.