HP LH6000r HP Netserver Fibre Channel HBA Guide - Page 22

Additional Notes

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During installation select the "HHBA-510X PCI Fibre Channel Controller". Please review the Readme file for details. Removing the Driver To uninstall the HP Fibre Channel board: 1. Turn off your system and remove the HP Fibre Channel board from your computer. 2. Once you reboot the system, Windows 2000 will recognize that the HP Fibre Channel board has been removed. Additional Notes 1. RAID Storage Arrays: If you are using RAID Storage arrays that are continually timing out on complex operations you should set the TimeOutValue to 60 (decimal) seconds to avoid Event ID 9s from being logged in the EventLog Viewer. The registry subkey to configure request timeout is: \HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Disk\TimeO utValue This subkey is a REG_DWORD specifying the number of seconds. You can perform this change using Regedt32.exe. For detailed information on using the Registry Editor, please refer to your Windows 2000 documents. 2. Large I/O request performance enhancement: Performance enhancement for a large size I/O request could be done by increasing the maximum number of scatter-gather lists or NumberOfPhysicalBreaks used by the SCSIPORT driver. The Registry to specify the maximum number of scatter/gather list elements for the HBA: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\ AFCW2K\Parameters\MaximumSGList The default when not specified in Registry is 17. The maximum value for MaximumSGList is 255, but use this adjustment sparingly because scatter/ gather lists consume nonpaged memory. MaximumSGList is a REG_DWORD. The MaximumSGList is used by Windows 2000 SCSIPORT driver. 16

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16
During installation select the
“HHBA-510X PCI Fibre Channel Controller”
.
Please review the Readme file for details.
Removing the Driver
To uninstall the HP Fibre Channel board:
1. Turn off your system and remove the HP Fibre Channel board from your
computer.
2. Once you reboot the system, Windows 2000 will recognize that the HP Fibre
Channel board has been removed.
Additional Notes
1. RAID Storage Arrays:
If you are using RAID Storage arrays that are continually timing out on
complex operations you should set the TimeOutValue to 60 (decimal) seconds
to avoid Event ID 9s from being logged in the EventLog Viewer.
The registry subkey to configure request timeout is:
\HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Disk\TimeO
utValue
This subkey is a REG_DWORD specifying the number of seconds. You can
perform this change using Regedt32.exe. For detailed information on using the
Registry Editor, please refer to your Windows 2000 documents.
2. Large I/O request performance enhancement:
Performance enhancement for a large size I/O request could be done by
increasing the maximum number of scatter-gather lists or
NumberOfPhysicalBreaks used by the SCSIPORT driver.
The Registry to specify the maximum number of scatter/gather list elements for
the HBA:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\
AFCW2K\Parameters\MaximumSGList
The default when not specified in Registry is 17. The maximum value for
MaximumSGList is 255, but use this adjustment sparingly because scatter/
gather lists consume nonpaged memory. MaximumSGList is a REG_DWORD.
The MaximumSGList is used by Windows 2000 SCSIPORT driver.