About Stor Miniport driver model of windows Longhorn?

Hi friends,

Now my stor miniport driver will crash while installing Longhorn.

But when I set the variable “SynchronizationModel” of struct PORT_CONFIGURATION_INFORMATION as “StorSynchronizeHalfDuplex”, but not the former value “StorSynchronizeFullDuplex”, then everything is OK. So this modification is a solution to resolve the problem.

Now I am wonderful. What is the difference between “StorSynchronizeHalfDuplex” and “StorSynchronizeFullDuplex”? Will my solution reduce the performance of Longhorn system? Is there any other solution to resolve my “crash” bug?

Thank you!