Darcy,

Here...this is a quote from MacFixit...I've also included the source link..not MacFix it itself because one has to have a paid subscription to read the original article...

http://www.micronet.com/support/fw_panther_comp.asp
(snip) Q: Does the problem occur when connecting two Macs via Target Disk Mode? A: A common question over the past week has been whether or not this bug affects Macs themselves when one of the Macs is acting as an external FireWire drive via Target Disk Mode. We haven't experienced such a problem here at MacFixIt, but we have received a few isolated reports of Target Disk Mode issues. Reader Brian Sullivan writes:

"Last week I attached a Clamshell iBook to a new 12' PB via Firewire. (Held down 'T' while booting the iBook.) The goal was to copy the entire iBook hard drive to the new Powerbook. Once the transfer was completed successfully, I was unable to unmount/eject the iBook. After many attempts, we finally shut down the iBook. The result: the data on the iBook hard drive is lost, and the drive needs to be reformatted. Fortunately, the transfer worked, so we lost no data. But it was a pretty scary."

Unfortunately, with the small number of reports we've received on this particular issue, we have no way of knowing if these problems are related to the Panther/FireWire bug being discussed. In addition, the sequence of events in the above report does not seem to match up with those most commonly reported with the "official" Panther/ FireWire bug. Finally, we currently don't know what chipset Apple uses for the FireWire ports in their systems; it's even possible that different chipsets could be used for different models. So, again, we recommend simply avoiding restarting your Panther Mac with FireWire drives (including Target Disk Mode Macs) connected. (snip)



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This is pretty much what happened to me except that I was able to unmount my powerbook as I recall.

I know that there were issues with Panther and some firewire drives that supposedly have been fixed. But this corruption happened on my G4 Powerbook running Tiger (both computers were running Tiger) I was trying to move files to my G5 tower. My friend was moving files from her G4 Tower to her Powerbook running Panther on both. (in both these cases, the powerbooks were in Target Disk Mode)

So, I personally have chosen to use filesharing to move files between computers and I reserve Target disk mode for situations where it wouldn't be a catastrophe if I needed to wipe a drive and re- install...i.e. new installs/clones onto new systems or if I'm going to wipe a drive and sell or give away the computer anyway as in Dean's case. Just to be safe. This was the worst directory corruption I have ever gotten on my machine. And I hadn't run my backup yet for that day. Disk Warrior paid for itself several times over that day!

Karen


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