I've tried
this fix posted to the WD Support forums (for the My Book World Edition).
I can confirm it works. Western Digital have committed themselves to a firmware update which will fix this issue (they did actually release one on 12th Sep, but had to pull it due to some issues), so these instructions should only be followed if you are not patient enough to wait.
The instructions take you to a forum post, which link you to a wiki post, which link you to drupal free.fr site, so for simplicities sake I have condensed below:
Part One - Turn on SSH (in the admin panel)
[1] Go to to
http://mybookworld.local
[2] login: username will be admin, password will be whatever you have setup. If you can't remember it should be in your Mac OS X keychain (Utilities > Keychain Access, search for "mybookworld"). If you have not changed if from the default the password will be admin as well.
[3] Switch to advanced mode.
[4] From the System tab, pick Advanced.
[5] Enable SSH Access, and click submit.
[6] Click on the network tab and then the LAN button
[7] Make a note of the IP address
Small, maybe obvious, but nevertheless important point: For the install to work, your NAS needs to be connected to a router with internet access.
Part Two - Install netatalk2.2
[8] Open Terminal.app (Utilities > Terminal)
[9] Enter the following command (
substitute in 127.0.0.1 for the actual IP address you noted down in step 7), then hit return:
[10] When prompted, enter the ssh password (will be
welc0me).
[11] You are now going to download the installer. Enter the following command, then hit return:
Code:
wget http://mybookworld.wikidot.com/local--files/netatalk2-2-on-whitelight/install_netatalk.sh -O install_netatalk.sh
[12] Once completed, you will need to run the installer. Type:
[13] You will be asked a number of question during install, answer yes to all. When asked about the "DHX2 login process", I opted to install the modified version, so I can confirm it works.
[14] Once the box has restarted, you should be able to connect to your afp shares and continue to use Time Machine.