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10.5: A warning on unsupported Time Machine solutions
Authored by: stokessd on Dec 17, '07 07:40:30AM
A good workaround is to not use SMB but rather AFP for your timemachine backup share. netatalk is your friend and free:


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No: Non-10.5 AFP is NOT okay
Authored by: dbs on Dec 18, '07 06:48:19PM
I tried this. It worked fine until TimeMachine had to delete old backups. When that happened they deleted successfully (at least the disk space came back) but the TimeMachine GUI lost *all* the previous backups. They were still there on the sparsebundle disk image, but the GUI did *not* see them.

To test this get TimeMachine to use a sparsebundle with a small size limit and backup a small directory. (There are several ways to do this: create it from scratch and re-name it or use the hdiutil command to resize an existing one.) Then keep changing files until it has to delete a backup. At least on my AFP/linux-based NAS this appeared to work, but did *not* work completely.

There is another solution, but it's a bit more involved. I backup to an old powerbook running 10.5.1 (completely supported) and have an rsync job that syncs that backup to my NAS over AFP. I believe this works, but I still use CCC to sync to a disk image on that disk as well. You can read more about how I do this (and how to get passwords from the keychain into command-line scripts) at:

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