There has been quite a bit of speculation about what works and what does not work as a Time Machine target under Mac OS X Leopard. (Mac OS X 10.5, for the geeks). I finally have a copy of Leopard on my laptop and am testing various things. Since it is public, I can now post screenshots :)
Time Machine is a cool idea but the current functionality is quite limited. Some beta copies of Leopard had NFS support with Time Machine. Well, the public release ain’t got it.
The only network way I was able to get Time Machine working so far was to mount an AFP share from a machine that is running Leopard. We even tried mounting an AFP share from a TIGER system (MAC OS X 10.4) and Time Machine did not recognize it as a valid target.
There are also some articles floating around about “faking” the Time Machine to accept a volume/drive/share as a Time Machine by touching a file. I do not think there is one file but TWO. Its quite easy to see the files.
- Mount an AFP share FROM a Leopard system onto a leopard client
- Open Terminal and cd to the drive that was mounted. You will notice the following two files
.com.apple.timemachine.supported(file permissions are 444 and NOT 1775 as someone wrote).0016cb880c4b(file permissions are 400)
Both those files are “hidden” files (notice the preceeding “dot”). The second file is nothing but your client’s MAC address. Do an ifconfig -a to give you a list of interfaces and find the MAC address of the interface that is currently in use.
I tried sticking these files on a non-leopard share to “fake” Time Machine. Didn’t work. crap.

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