I have a couple iMac computers running Mac OS X 10.7 and 10.8 which back up to a 3 tb hard disk which is attached to an Airport (Apple wireless router + usb disk server). They appear to be storing their data onto a volume which has the volume name "backup3tb" which is the name I gave the disk when I back up onto it.
What is mystifying me completely is that sometimes another volume shows up as "Time Machine Backups" and is mounted just like any local or network mounted volume would show when it is mounted, and sometimes it is not.
I dragged some files over there by accident while it was mounted, and now its like those files vanished. Then yesterday they were back again for a while. Now that volume is gone again. WHat is going on with this "phantom" disk that appears and goes away, named "Time Machine Backups"?