Compaq ProLiant 5000 Migrating to the Compaq ProLiant 5000 Server in Microsoft - Page 13

Step 4, Downgrade the HAL

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480A/0197 WHITE PAPER (cont.) ... Step 4: Downgrade the HAL The ProLiant 4500 Server requires the Compaq Systempro HAL for multiprocessing in a Windows NT Server environment and the ProLiant 5000 requires the Compaq MPS HAL. Neither system initializes without the correct HAL. To facilitate the upgrade, you must install the correct HAL for the ProLiant 5000 Server while the ProLiant 4500 Server is still functional. The Windows NT SSD detects and installs the appropriate HAL during the installation process. To accomplish the migration safely, you must downgrade the system to a uniprocessor HAL and kernel, which can be run on both systems, before moving to the ProLiant 5000 Server. After successfully migrating all options, you must upgrade the system to a multiprocessor HAL and kernel. The Compaq SSD Setup Utility performs downgrades and upgrades for you. You need the Windows NT Server and Service Pack media to accomplish the procedure that follows. CAUTION: If the boot partition is formatted as NTFS, there is no easy recovery if the incorrect HAL is installed. Therefore, be careful with your selections. With Windows NT Server running on the ProLiant 4500 Server, follow these instructions to downgrade to a uniprocessor HAL: 1. Insert the Windows NT SSD (Diskette # 1) into the diskette drive. 2. Select File¡ Run form Program Manager. 3. Enter the following: A:\setup where A: is the letter of the diskette drive. 4. Select Custom from the Setup Installations Options Menu. 5. Select the HAL tab from the Setup - Custom Installation Menu. 6. Select the Convert to uniprocessor HAL check box. 7. Insert the Windows NT Server CD in the CD-ROM drive. Select the Downgrade button. Follow the instructions provided. NOTE: Depending on your configuration, you might be prompted for Windows NT Service Pack file locations. Be prepared by having these files ready. 8. Remove the Windows NT SSD diskette and restart the server to enable the new HAL. To verify that the correct HAL was successfully installed, observe the blue server initialization screen. A brief message displays to indicate that the Windows NT uniprocessor kernel and the Compaq uniprocessor HAL are initializing. NOTE: The initialization message should indicate that only one system processor is initializing. This is correct for the uniprocessor configuration, even though there is more than one processor installed in the system. 13

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W
HITE
P
APER
(cont.)
13
480A/0197
Step 4:
Downgrade the HAL
The ProLiant 4500 Server requires the Compaq Systempro HAL for multiprocessing in a
Windows NT Server environment and the ProLiant 5000 requires the Compaq MPS HAL. Neither
system initializes without the correct HAL. To facilitate the upgrade, you must install the correct
HAL for the ProLiant 5000 Server while the ProLiant 4500 Server is still functional.
The Windows NT SSD detects and installs the appropriate HAL during the installation process.
To accomplish the migration safely, you must downgrade the system to a uniprocessor HAL
and kernel, which can be run on both systems, before moving to the ProLiant 5000 Server.
After successfully migrating all options, you must upgrade the system to a multiprocessor HAL
and kernel.
The Compaq SSD Setup Utility performs downgrades and upgrades for you. You need the
Windows NT Server and Service Pack media to accomplish the procedure that follows.
CAUTION:
If the boot partition is formatted as NTFS, there is no easy recovery
if the incorrect HAL is installed. Therefore, be careful with your selections.
With Windows NT Server running on the ProLiant 4500 Server, follow these instructions to
downgrade to a uniprocessor HAL:
1.
Insert the Windows NT SSD (Diskette # 1) into the diskette drive.
2.
Select
File
→
Run
form Program Manager.
3.
Enter the following:
A:\setup
where A: is the letter of the diskette drive.
4.
Select
Custom
from the Setup Installations Options Menu.
5.
Select the
HAL
tab from the Setup - Custom Installation Menu.
6.
Select the
Convert to uniprocessor HAL
check box.
7.
Insert the Windows NT Server CD in the CD-ROM drive. Select the
Downgrade
button.
Follow the instructions provided.
NOTE:
Depending on your configuration, you might be prompted for
Windows NT Service Pack file locations.
Be prepared by having these
files ready.
8.
Remove the Windows NT SSD diskette and restart the server to enable the new HAL.
To verify that the correct HAL was successfully installed, observe the blue server initialization
screen. A brief message displays to indicate that the Windows NT uniprocessor kernel and the
Compaq uniprocessor HAL are initializing.
NOTE:
The initialization message should indicate that only one system
processor is initializing.
This is correct for the uniprocessor configuration,
even though there is more than one processor installed in the system.
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