5 – Windows NT Driver Installation | |
QLDIRECT | |
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5.3.3
Updating the Windows NT Driver
Perform the following steps if a Windows NT driver is already installed on a Fibre Channel hard disk attached to a QLA23xx HBA and you want to install an updated version of the driver.
NOTE: This procedure does not modify the current registry parameters for the QLA2300 Windows NT driver.
1.Open a DOS command prompt window.
2.Change the current directory to the Windows NT driver directory. For example:
cd \Winnt\System32\Drivers
3.Make a backup copy of the old driver. You can copy the file into the same directory with a .SAV extension indicating that it is the saved file. For example:
copy Ql2300.sys Ql2300.sav
4.Insert the disk that contains the updated QLogic driver in an appropriate drive.
5.Copy the new driver over the old driver. For example:
copy A:\Nt\Ql2300.sys
6.Remove the disk that contains the QLogic driver.
7.Restart your system to load the updated driver.
5.4
QLDIRECT
The QLDIRECT driver, coupled with the QLogic Windows NT enhanced miniport driver, provides the following features:
■A highly optimized I/O path for normal read and write operations with reduced CPU utilization and increased parallelization
■Failover and failback features to reroute I/O operations to the correct path
This section provides installation instructions for the QLDIRECT driver in an already installed Windows NT 4.0 operating system. Earlier versions of this operating system are not supported.
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