Time Machine errors with WD My Book Studio

I upgraded the OS on my 1.66 GHz Mac Mini to 10.6 in January and purchased a 1TB WD My Book Studio external drive, to replace an older WD drive. The new drive was connected to the Mac via FireWire and reformatted for Mac OS extended before I copied my iPhoto and iTunes libraries from the older drive. I then set up Time Machine to backup to the new drive (a temporary arrangement until I'm able to purchase a new Mac later this year) without issue.
Aside from the virtual CD occasionally popping up on my desktop, the drive worked fine for a couple of months.
In March, the hard drive on the Mac crashed but was brought back to life at the Genius Bar at my local Apple Store. After they reinstalled the OS, I restored my system from the most recent Time Machine backup and was back in business. It was not until I attempted to add songs in iTunes that I realized there were now permissions issues with the external drive -- which I (even with an administrator account) could not unlock. Disk Utility was unable to verify or repair the disk, though it did indicate problems with the drive.
Support at WD was not helpful, so I had no choice but to erase and reformat the WD drive and start from scratch. The permissions issue was resolved, but every attempt at backing up via Time Machine failed (and subsequently froze my machine) after about 75 percent of the files had been copied. Furthermore, I could not successfully update the firmware OR software for the drive.
I have since erased and reformatted (both in GUID at Apple Partition with both one and two partitions) the drive several times, and I have yet to back-up successfully. I was finally able to update the firmware/software and shut-off the WD SmartWare, even though it still appeared to be running; I eventually just uninstalled it completely.
Right now, I am on my third attempt today to complete my initial Time Machine backup. Currently, the WD drive has an Apple Partition map scheme with two partitions and SmartWare uninstalled; it has taken me about 90 minutes to get 50 percent through an 80 GB backup, with nothing else running but this browser window.
I've seen plenty of references to this sort of issue with WD drives across the Internet, but few resolutions -- and nothing that has helped me so far. Does anyone have some insight?

johnolore wrote:
Right now, I am on my third attempt today to complete my initial Time Machine backup. Currently, the WD drive has an Apple Partition map scheme with two partitions and SmartWare uninstalled; it has taken me about 90 minutes to get 50 percent through an 80 GB backup, with nothing else running but this browser window.
I've seen plenty of references to this sort of issue with WD drives across the Internet, but few resolutions -- and nothing that has helped me so far. Does anyone have some insight?
Hi, and welcome to the forums.
40 GB in 90 minutes isn't too bad, assuming it's F/W 400, not F/W 800. The speed may vary quite a bit during a backup, as a number of things have to be done for each file. When Applications and System folders are being backed-up, for example, the rate will be slower, since those folders consist of a huge number of mostly very small files.
You might try the things in #D2 of Time Machine - Troubleshooting (or use the link in *User Tips* at the top of this forum).
You might also want to see #A1 there; the +Time Machine Buddy+ widget may provide a clue.
And yes, there are a lot of folks unhappy with WD drives, but also a number who swear by them.

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    Message was edited by: Colin Robinson
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