Actually there is 3 types of drivers, SCSCI Port Miniport, Storport, and FC 
Port .  We have always used the FC Port drivers.  I blieve the difference is 
that with FC Port you can set up persistant binding.  At least that is what the 
description by the LP10000 drivers show (see below):

So far I believe Storport has really been taken advantage of in the disk world 
although it is supposed to work with tape.
To see an MS demo on the Storeport go to 
http://www.microsoft.com/seminar/shared/asp/view.asp?url=/seminar/en/20020624WinHecD8a/manifest.xml

SCSIport Miniport Driver - Provides SCSI functionality over Fibre Channel 
arbitrated loop, point-to-point and fabric topologies.

32-bit and 64-bit Storport Miniport Drivers - Provides SCSI/FCP functionality 
over Fibre Channel arbitrated loop, point-to-point and fabric topologies.

32-bit and 64-bit FC Port Drivers - Provides SCSI-only or concurrent SCSI and 
IP functionality within a single HBA or several HBAs. Designed for specialized 
applications where host based LUN mapping and persistent binding of SCSI device 
IDs are required.


Neil Schofield <neil.schofield AT YORKSHIREWATER.CO DOT UK> wrote:
Hi there

I've got to set up a Windows 2003 TSM server to access some SAN-based tape
drives. When installing the drivers for the (Emulex) HBAs I have a choice
between two different driver models - the Storport drivers and the SCSIport
drivers. I've always used SCSIport drivers on Windows 2000, but the
Storport drivers for Windows 2003 are supposed to offer better performance.

Anybody got any experience with Storport drivers, especially with TSM, who
would like to share their opinions?

Regards
Neil Schofield
Yorkshire Water Services Ltd.




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