2.6. Storport Driver
Chapter 1 described the Windows NT storage I/O stack. In particular, one important component of the storage I/O stack is the SCSIPort driver (written by Microsoft), which works in close cooperation with a vendor-written miniport driver that is specific to the storage device. Prior to Windows Server 2003, storage devices of various types—such as older SCSI devices, newer SCSI-3 devices, and Fibre Channel devices—all had a device-specific miniport driver that was linked with the SCSIPort driver. This scenario has several shortcomings:
The model assumes that Fibre Channel devices have capabilities similar to those of SCSI devices—an assumption that is just not true!
The SCSIPort driver follows a single threading model without ...
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