Compaq ProLiant 2000 Eliminating Single Points of Failure and Enabling Rapid R
Compaq ProLiant 2000 Manual
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- Compaq ProLiant 2000 | Eliminating Single Points of Failure and Enabling Rapid R - Page 1
and secondary storage • Power • Cooling • Management An overview of the Compaq Pre-Failure Warranty is also included. Most sections contain references to other Compaq white papers and technology briefs for more in-depth technical information about specific server subsystems. Please direct comments - Compaq ProLiant 2000 | Eliminating Single Points of Failure and Enabling Rapid R - Page 2
RECIPIENT. IN NO EVENT SHALL COMPAQ BE LIABLE FOR ANY DIRECT, COMPAQ HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. The limited warranties for Compaq is Good, Compaq, Compaq Insight Manager and ProLiant are registered with respective companies. ©1997 Compaq Computer Corporation. All rights - Compaq ProLiant 2000 | Eliminating Single Points of Failure and Enabling Rapid R - Page 3
Points of Failure (cont.) ... INTRODUCTION Compaq researches and develops server subsystems expressly to eliminate single points of failure and minimize downtime through fault-prevention, fault-tolerance, and rapid-recovery technologies. Compaq emphasizes reliability, along with performance and - Compaq ProLiant 2000 | Eliminating Single Points of Failure and Enabling Rapid R - Page 4
Compaq approach to improved reliability, the server power supply. These safeguards help ensure that fault prevention, fault tolerance, and rapid recovery goals are met. The Off-Line Backup Processor option, available on the Compaq ProLiant 5000, 6000, 6500, and 7000 (as well as older ProLiant 2000 - Compaq ProLiant 2000 | Eliminating Single Points of Failure and Enabling Rapid R - Page 5
power from a dedicated power supply. If a power supply module supporting a processor fails, the system goes down. To prevent that, Compaq servers have three processor power supply modules to support system, a user interface, and hot plug device driver support) are in place. This allows a mix of the - Compaq ProLiant 2000 | Eliminating Single Points of Failure and Enabling Rapid R - Page 6
interruption of service, allowing conveniently scheduled replacement of the failed controller. In systems with hot plug capability, the failed NIC can be replaced without shutting down the system. To help ensure a consistently regulated power supply to the I/O boards, Compaq provides two voltage - Compaq ProLiant 2000 | Eliminating Single Points of Failure and Enabling Rapid R - Page 7
mainstream server disk drive arrays, and Compaq arrays are now in the seventh generation. The latest models include powerful troubleshooting features to help predict and prevent drive failure. Drive Parameter Tracking monitors drives and notifies the system administrator of potential problems, while - Compaq ProLiant 2000 | Eliminating Single Points of Failure and Enabling Rapid R - Page 8
partner to the PCI Hot Plug technology: System service continues uninterrupted after the failover, and the failed controller can be replaced without shutting the system down. This option is supported for single bus versions of ProLiant Storage System/U units in tower and rack-mount configurations - Compaq ProLiant 2000 | Eliminating Single Points of Failure and Enabling Rapid R - Page 9
servers Compaq Fibre-Channel-Attached Storage. Compaq's DLT drives use advanced linear recording technology, a highly accurate tape guide out of operation. A powerful Reed Solomon ECC featuring a support RAIT configurations, such as Seagate Backup Exec and Legato Networker, can also be run with Compaq - Compaq ProLiant 2000 | Eliminating Single Points of Failure and Enabling Rapid R - Page 10
rigorous testing to help ensure superior performance. On the Compaq ProLiant 6000, 6500, and 7000 servers, power supplies can be arranged in an n+1 configuration, where n equals the number of power supplies required to run the system. Power supplies share the load; one can fail without a loss of - Compaq ProLiant 2000 | Eliminating Single Points of Failure and Enabling Rapid R - Page 11
intelligent power supply in three high-end servers, the ProLiant 6000, 6500,and 7000, as well as the ProLiant Storage System. For more information about the Intelligent Power Supply, see technology brief ECG025.0897, Intelligent Power Supply. The Compaq UPS provides temporary power to the server in - Compaq ProLiant 2000 | Eliminating Single Points of Failure and Enabling Rapid R - Page 12
of connection, regardless of server condition. • Critical information and troubleshooting data capture. • Immediate alerting for quick response to protect business-critical data and applications. • Full battery backup on the board to prevent failure due to server power outage. • Variable user access - Compaq ProLiant 2000 | Eliminating Single Points of Failure and Enabling Rapid R - Page 13
in use, Automatic Server Recovery, power modules, fans, and temperature. Health drivers are available for Microsoft Windows NT, Novell IntranetWare, SCO UNIX, and IBM OS/2 operating systems. Pre-failure events are reported through Compaq Insight Manager, a robust server management tool that provides
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In today’s global-operation, information-driven business arena, enterprise servers are expected to
be available around the clock, and the value of the data on those servers increases daily. As a
result, the cost of server downtime is increasingly prohibitive.
As a technology leader, Compaq continues to develop fault prevention, fault tolerance, and rapid
recovery technologies that help make systems more reliable by eliminating single points of failure
and minimizing downtime when failure does occur.
This technology brief provides a brief overview of fault prevention, fault tolerance, and rapid
recovery technologies as they are implemented in the following Compaq server subsystems:
•
Processor
•
Expansion
•
Memory
•
Primary and secondary storage
•
Power
•
Cooling
•
Management
An overview of the Compaq Pre-Failure Warranty is also included. Most sections contain
references to other Compaq white papers and technology briefs for more in-depth technical
information about specific server subsystems.
Please direct comments regarding this communication to the ECG Technology Communications Group at this Internet
address:
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