On Jan 27, 2010, at 4:04 PM, Kris Tilford wrote:
I don't know if this is correct? My understanding is that Target Disk Mode makes the Mac behave exactly like any external FW HD. I once booted a laptop into Target Disk Mode and then repaired the HD using a Desktop which didn't have an open Firewire port because an external FW HD was already using the port. I simply daisy chained the laptop onto the open FW port of the external HD. After the repair, I rebooted the laptop and inadvertently forgot to unplug the FW cable. Now I had two Macs both booted, and BOTH had the external HD mounted simultaneously. This appeared to cause problems for the external FW HD that was shared between the two Macs as it needed repair after this inadvertent mistake. Even worse, both Macs had all three HDs mounted, so I felt I was just lucky that the whole thing didn't go bad.
This is a different case than just two macs connected via FW. If they're not in FWTM, there's no interaction between the systems.
You're describing a different setup than the OP, with a third device betwen the two, and yes, you can get directory corruptions when two computers use the dame disk.
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