I have had a similar problem with the same disk. It arrived yesterday to replace my Netgear SC101 SAN which does not have 64-bit drivers
and therefore can't be used with Windows 7 x64.
When I plugged in the Lacie disk under Windows XP, everything worked normally. I only noticed the drive is rather slow. I had expected much more speed since it has a gigabit connection and so do my pc and router.
Then I rebooted my pc to Windows 7 x64. At first everything seemed to work well. As Windows 7 can display the flie transfer speed during copy actions, I was curious to see what it would be. The speed unfortunately did not go over 6MB/s which disappointed me very much for a gigabit system.
After copying a few files I suddenly had a blue screen. The first time ever with Windows 7. The file that was being copied could not be removed through a pc with XP. After rebboting the Windows 7 pc, it could be removed. But the problem with the blue screens persisted. All together it occured 5 times. It even happened when the drive was connected but not in use at all.
Having shut the drive off, the problem seems to have gone. Windows 7 works normally again without a problem. If this problem keeps occurring the drive is useless and I will send it back for a refund.
The very slow speed also disappoints me. My SC-101 with 100Mb/s was much faster.