Apple unsupports the AirDisk?
According to a Monday post on the Tidbits Mac news site, Apple representatives reportedly confirmed that the company won't support AirDisks, or Time Machine backups to a hard drive connected to Apple’s Airport Extreme router.
Contributing Editor Glenn Fleishman said lack of support "means is that if you attempt to use an 802.11n AirPort Extreme Base Station for Time Machine backup, you won't get any help from Apple's technical support.
I've been receiving reports that USB-attached drives work erratically with an AirPort Extreme. TidBITS editor Joe Kissell and I have been discussing the strange array of scenarios in which you find an Apple Filing Protocol (AFP) volume that's shared by the AirPort Extreme server not appearing automatically for Time Machine.
The return of the AirDisk was noticed in mid-March with several Airport-related updates for router firmware and OS-side software. Read more here.
The AirDisk feature was found in certain beta versions of Leopard, but was pulled from the actual release version in October. Its loss (and lack of explanation) riled the Mac community.