Time Machine for OS X 10.7 Lion with Linux

UPDATE: I have successfully used this setup to recover from on the iMac after a failed update.

In a previous post I discussed my Linux setup for running netatalk — an AFP server — to host Apple Time Machine data. I own two Apple computers and the first one I setup to work with netatalk was my iMac. Well, unfortunately, this was not easy enough for both machines. What I discovered was my iMac is running 10.6.8 Snow Leopard and my MacBook Pro is running 10.7.3 Lion. I was using netatalk 2.0, which apparently does not support the AFP version that Lion requires. This necessitated updating netatalk to 2.2 (specifically, 2.2.1-r2). I discovered this from another blog post by Steffen Norgren. Thanks!

A quick update and some configuration changes and all works well. Below are the changes I had to make with respect to what I have in my previous post.

/etc/netatalk/aftpd.conf

- -udp -noddp -uamlist uams_randnum.so,uams_dhx.so,uams_dhx2.so

In the above file, I added the -udp and uams_dhx2.so. I also noticed I had “uams_randnumso” which was missing a period.

/etc/netatalk/AppleVolumes.default

/mnt/blacx/tm/chop "chop" cnidscheme:dbd options:usedots,upriv,tm
/mnt/blacx/tm/chup "chup" cnidscheme:dbd options:usedots,upriv,tm

In the above file, I added the “cnidscheme:dbd” and the usedots and upriv options.

That’s it with a quick `/etc/init.d/afpd restart`. Updating to netatalk 2.2 updated some other files and such, but the above two changes were the only changes I had to explicitly do. Now I have both machines backed up. Certainly a warm, fuzzy feeling.

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2 Responses to “Time Machine for OS X 10.7 Lion with Linux”

  1. Chris says:
    February 25, 2012 at 12:35 pm

    Hey.. thank you so much for this and the previous write up. The directions were clear and concise and were seriously easy for me to lay this down on Cent 6.2. I’ve been wanting to ditch my old PPC MacMini as my backup device, and this was the final step. So.. thanks a ton.

    One other thing, though. Do you have issues where the backup drive becomes unavailable, and a restart of netatalk is the only way for the Mac to see the drive again? I’ve seen this occur from the MacMini, long ago, and I saw it happen twice with the Cent box since last night.

    Reply
  2. cburnett says:
    February 26, 2012 at 9:39 pm

    I have not had to restart netatalk but 10.6 has complained a couple times of the drive being unavailable (forcing a “Back Up Now” has worked so far).

    Reply

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