I'm in same trouble. My machine is MacBook Pro (mid 2006) running OS X 10.6.3 with Drobo S.
Mar 23 21:03:56 MacBookPro kernel: IOFireWireSBP2ORB<0x05fcc400>::prepareFastStartPacket - fast start packet not full, yet pte doesn't fit
Mar 23 21:03:56: --- last message repeated 4 times ---
Mar 23 21:03:56 MacBookPro kernel: disk1s2: I/O error.
I'm sorry to head that you are having the same problem, but I appreciate the confirmation.
If you wouldn't mind, can you post in the droboforum thread about this same issue? Maybe we can get the two to talk.
Also, of course, you don't have a second ethernet port; are you using iSCSI?
What kind of performance are you getting?
I have an October 2006 MBP C2D with 3G RAM. It has both FW800 and FW400. I also have a DroboPro with 8x 2T drives (WD20EADS).
I am seeing the same error (repeated over and over) in kernel.log and data corruption when using FW800.
After spending quite some time on the phone with Data Robotics, we determined that it is this computer that is having a problem. Using the DroboPro via USB or via FW800 on another computer (a slightly newer nVidia version of this same laptop) doesn't encounter the problem.
I would hate to think I need to get new hardware, as I can't imagine giving up my dual-firewire ports, so I hope it's not a hardware problem. They don't make Mac laptops with enough ports anymore.
Anyone learn anything else, please?
Just to let you know that I have just purchased and configured a DroboS and I have exactly the same problem with my Mac Pro running Mac OS X 10.6.3 client. Connectivity via USB is fine, but FireWire 800 causes a Finder error -36 upon reading a file, and yields exactly the same kernel logging of FireWire errors:
B<0x11082900>::prepareFastStartPacket - fast start packet not full, yet pte doesn't fit
kernel: IOFireWireSBP2ORB<0x11082900>::prepareFastStartPacket - fast start packet not full, yet pte doesn't fit
--- last message repeated 27 times ---
My DroboS has current firmware (2.0.1) and I am using the current Drobo Dashboard (1.6.8). I have completely reset the DroboS several times, reformatted the volumes, and tried different cables and ports. There are no other devices on the FireWire bus, and other devices do not experience any issues.
I have had no luck with Data Robotics Support yet - they just tell me to check cables and ports again
Will post again if I make any progress, but otherwise I will return my unit because USB is far too slow (~20 Megabytes per second). eSATA is not even an option on most Macs either.
Have you tried using just the native RAM that came with the XServer or even stepping it down to 4 GBs of RAM to test it out? I have found through the years that making the system a bit more base can help a ton in figuring out where the trouble lies.
What all that you have written so far my suspicions for what could be wrong would be 1 or more RAM cards, a memory slot on the Logic board, a bad framework for the FW, a corrupted OS kernel.
There are several great ways of testing each so try it out. I know it's hard to get the time to appropriately troubleshoot a server, but an hour here and an hour there can do wonders.
Let me know if you have any questions in particular or want more detail.