Compaq ProLiant 5000 PCI Bus Balancing and Optimization on Compaq ProLiant Ser
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Compaq ProLiant 5000 manual content summary:
- Compaq ProLiant 5000 | PCI Bus Balancing and Optimization on Compaq ProLiant Ser - Page 1
Peak Performance, Fourth Edition, July 1997 - Doc ID 679A/0697. Implementing Online Storage Controller Recovery Option Under Windows NT®, July 1997 - Doc ID ECG066A/0797. Compaq Advanced Network Error Correction Support using PCI Hot Plug with Microsoft Windows NT®, August 1997 - Doc ID ECG057/0897 - Compaq ProLiant 5000 | PCI Bus Balancing and Optimization on Compaq ProLiant Ser - Page 2
, 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 - Compaq ProLiant 5000 | PCI Bus Balancing and Optimization on Compaq ProLiant Ser - Page 3
introduction of the Compaq ProLiant 5000 Server and its dual-peer PCI (Peripheral Component Interconnect) bus architecture, Compaq recommended certain configurations bridged and dual-peer PCI bus architectures. The supporting facts presented along with recommendations will assist system - Compaq ProLiant 5000 | PCI Bus Balancing and Optimization on Compaq ProLiant Ser - Page 4
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. TABLE 1: PCI BUS TO SLOT NUMBER ASSIGNMENTS Slot - Compaq ProLiant 5000 | PCI Bus Balancing and Optimization on Compaq ProLiant Ser - Page 5
and configuration take place. 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 - Compaq ProLiant 5000 | PCI Bus Balancing and Optimization on Compaq ProLiant Ser - Page 6
ECG073/0398 WHITE PAPER (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 ( - Compaq ProLiant 5000 | PCI Bus Balancing and Optimization on Compaq ProLiant Ser - Page 7
" section, having two network controllers on the same bus does not impact performance since the second NIC is in standby mode and therefore generates minimal traffic on the bus. This configuration works well for high availability because the I/O traffic emitted here is not enough to saturate the - Compaq ProLiant 5000 | PCI Bus Balancing and Optimization on Compaq ProLiant Ser - Page 8
, even if a connection is lost or a controller fails. For more information, refer to the white paper "The Compaq Advanced Network Error Correction Support in a Microsoft Windows NT Server Environment." ... Configuration 3 When the configuration consists of an additional stand-alone device, for - Compaq ProLiant 5000 | PCI Bus Balancing and Optimization on Compaq ProLiant Ser - Page 9
manually switch controllers using this utility, refer to the following white papers online at: http://www.compaq.com/support/techpubs/index.html. • Compaq Advanced Network Error Correction Support balanced. Use the following list of guidelines as a review for PCI Hot Plug bus balancing. • When adding - Compaq ProLiant 5000 | PCI Bus Balancing and Optimization on Compaq ProLiant Ser - Page 10
Monitor Utility included with Microsoft Windows NT. Balancing Bus Use Compaq Insight Manager supports bus use measurements on each PCI bus and on the problem occur with the active controller, the device driver switches traffic to the standby controller without loss of data or interruption of service - Compaq ProLiant 5000 | PCI Bus Balancing and Optimization on Compaq ProLiant Ser - Page 11
cont.) ... A complete description of all the capabilities and features of this utility are documented in the utility Help File, and in the white paper Compaq Advanced Network Error Correction Support using PCI Hot Plug with Microsoft Windows NT, August 1997 - Doc ID ECG057/0897. This white paper is
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APER
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ECG073/0398
[March 1998]
Prepared By
Windows NT
Integration Team
Compaq Computer
Corporation
C
ONTENTS
Executive Summary
3
PCI Architecture
3
PCI Load Balancing
5
Performance Optimization
Using PCI Bus Balancing
5
Bus Balancing Rules
5
Example Configurations
6
PCI Bus Loading with
PCI Hot Plug
7
PCI Bus
Balancing Tools
9
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
PCI Bus Balancing and Optimization on
Compaq ProLiant Servers
With the introduction of dual-peer PCI (Peripheral Component Interconnect) bus
architecture, Compaq recommends balancing the load between the two PCI buses to
achieve optimal performance on the server.
This white paper identifies the importance of PCI Bus Balancing and provides technical
configurations for achieving high performance and availability on bridged PCI buses
and dual-peer PCI bus architectures.
Additional Resources include:
PCI Bus Numbering in a Microsoft Windows NT
Environment, First Edition,
February, 1998 – Doc ID ECG024/0298.
Configuring the Compaq
ProLiant 5000 Server for Peak Performance, Fourth Edition,
July 1997 – Doc ID 679A/0697.
Implementing Online Storage Controller Recovery Option Under Windows NT
, July
1997 - Doc ID ECG066A/0797
.
Compaq Advanced Network Error Correction Support using PCI Hot Plug with
Microsoft Windows NT
, August 1997 – Doc ID ECG057/0897.
Compaq Advanced Network Error Correction Support in a Microsoft
Windows NT
Server Environment, June 1996 – Part Number 353A/0696.
Advanced Network Fault Detection and Correction Feature for NetWare
, June 1996 –
Part Number 385A/0696.