Compaq 179740-001 - ProLiant - 3000 White Paper
Pci bus balancing and optimization on compaq proliant servers
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Also See for 179740-001 - ProLiant - 3000:
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- Integration notes (52 pages)
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[March 1998]
Prepared By
Windows NT
Integration Team
Compaq Computer
Corporation
C
O N T E N T S
Executive Summary
PCI Architecture
PCI Load Balancing
Performance Optimization
Using PCI Bus Balancing
Bus Balancing Rules
Example Configurations
PCI Bus Loading with
PCI Hot Plug
PCI Bus
Balancing Tools
System Management
Performance Monitor
10
Balancing Bus Use
10
PCI Bus Loading with
Redundant Controllers
10
Online Storage Controller
Recovery Option
10
Compaq Advanced Network
Control Utility
10
Future PCI Bus Loading
and Technical Summary 11
ECG073/0398
W
HITE
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PCI Bus Balancing and Optimization on
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Compaq ProLiant Servers
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With the introduction of dual-peer PCI (Peripheral Component Interconnect) bus
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architecture, Compaq recommends balancing the load between the two PCI buses to
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achieve optimal performance on the server.
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This white paper identifies the importance of PCI Bus Balancing and provides technical
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configurations for achieving high performance and availability on bridged PCI buses
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and dual-peer PCI bus architectures.
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Additional Resources include:
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PCI Bus Numbering in a Microsoft Windows NT Environment, First Edition,
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February, 1998 – Doc ID ECG024/0298.
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Configuring the Compaq ProLiant 5000 Server for Peak Performance, Fourth Edition,
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July 1997 – Doc ID 679A/0697.
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Implementing Online Storage Controller Recovery Option Under Windows NT , July
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1997 - Doc ID ECG066A/0797.
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Compaq Advanced Network Error Correction Support using PCI Hot Plug with
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Microsoft Windows NT , August 1997 – Doc ID ECG057/0897.
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Compaq Advanced Network Error Correction Support in a Microsoft
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Windows NT Server Environment, June 1996 – Part Number 353A/0696.
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Advanced Network Fault Detection and Correction Feature for NetWare , June 1996 –
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Part Number 385A/0696.
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Help us improve our technical communication. Let us know what you think about the
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technical information in this document. Your feedback is valuable and will help us
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structure future communications. Please send your comments to:
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1
P
APER
CompaqNT@compaq.com
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Summary of Contents for Compaq 179740-001 - ProLiant - 3000
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Page 1: Compaq Proliant Servers
Compaq Computer With the introduction of dual-peer PCI (Peripheral Component Interconnect) bus Corporation architecture, Compaq recommends balancing the load between the two PCI buses to achieve optimal performance on the server. O N T E N T S This white paper identifies the importance of PCI Bus Balancing and provides technical... - Page 2 Elite, Vocalyst, PageMate, SoftPaq, FirstPaq, SolutionPaq, EasyPoint, EZ Help, MaxLight, MultiLock, QuickBlank, QuickLock, UltraView, Innovate logo, Wonder Tools logo in black/white and color, and Compaq PC Card Solution logo are trademarks and/or service marks of Compaq Computer Corporation. Other product names mentioned herein may be trademarks and/or registered trademarks of their respective companies.
- Page 3 X E C U T I V E U M M AR Y With the introduction of the Compaq ProLiant 5000 Server and its dual-peer PCI (Peripheral Component Interconnect) bus architecture, Compaq recommended certain configurations to balance the load between the two PCI buses and achieve optimal performance on the server.
- Page 4 Use this matrix to identify which slot is assigned to the primary or secondary bus. For any servers not listed, refer to the server user guide for the slot information or the Compaq and Microsoft Windows NT Frontline Partnership web site located at: http://www.compaq.com/solutions/frontline/pciutils.html.
- Page 5 For example, the Intel Pentium Pro processor is optimized for performance using PCI peripherals. The Compaq ProLiant servers that support dual-peer PCI bus architectures provide aggregate I/O throughput capability as high as 267 MB/s. The dual-peer PCI bus architecture increases configuration flexibility and allows higher levels of overall performance.
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Page 6: Example Configurations
(cont.) Example Configurations Table 2 explains where to place controllers to enable PCI bus balancing on Compaq ProLiant servers that contain the dual-peer bus architecture. For example, a system configuration might consist of one NIC and two drive array controllers (configuration #3 highlighted in Table 2). As demands change and the system bandwidth needs to increase, the system administrator changes the configuration to add another NIC to the system. - Page 7 HITE APER (cont.) PCI B PCI H O AD I N G W I T H L U G For servers with PCI Hot Plug slots on a single bus, customers must pay close attention to requirements for availability and determine whether a trade-off is needed between high availability and high performance.
- Page 8 When the configuration consists of an additional stand-alone device, for example, a network NOTE: A controller pair is defined as two Compaq NICs that controller pair plus a single network controller, the active NIC should be on separate bus. If, on are configured so that network...
- Page 9 AL AN C I N G O O L S Compaq offers a variety of helpful tools to assist in keeping the PCI busload balanced on Compaq servers. Some tools specifically help users optimize their system containing PCI technology. A brief description of each tool is provided.
- Page 10 Version 1.21A or later for Microsoft Windows NT and Compaq Insight Manager 3.30 or later. These tools are available on the Compaq Resource Paq for Microsoft Windows NT. To obtain a copy of the Compaq Resource Paq, go to the Compaq Microsoft Frontline Partnership page located on the web at: //www.compaq.com/solutions/frontline...
- Page 11 PCI Hot Plug with Microsoft Windows NT, August 1997 – Doc ID ECG057/0897. This white paper is available on the Compaq Resource Paq for Windows NT. To obtain a copy of the Compaq Resource Paq, go to the Compaq Microsoft Frontline Partnership page located on the web at: //www.compaq.com/solutions/frontline...
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