HP D7171A - NetServer - LPr Manual
Pre-failure warranty-minimizing unplanned downtime
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Executive Summary
The Hewlett-Packard Pre-Failure Warranty
less downtime. It extends the advantage of HP's limited warranty by providing
coverage on critical components, such as hard drives, memory and power
supplies, before they actually fail. It allows the server to monitor the status of
these critical subsystems, notifying the system administrator if the
components appear to be degrading. The Pre-Failure Warranty ensures that
when customers receive notification from system management that a critical
server component may fail, the component is replaced free of charge under
the warranty.
Whether you're launching a business from the Web, or expanding your
current IT investments, you need to be able to keep your business up and
running 7 days a week, 24 hours a day. The HP Pre-Failure Warranty is
another tool that helps you to do just that.
A Closer Look
The cost of downtime, the time when a system is unavailable to users, can be
prohibitively expensive to a business. System configurations continue to
increase in complexity—server systems require more processors, memory,
and drives—making management and maintenance more difficult. HP,
recognizing this trend, has developed better management tools that improve
system uptime and availability. Tools that focus on problem prediction, real-
time correction and post-error recovery (key elements of a self-healing server)
provide better ways to manage critical errors that can bring down a system.
Predicting Problems
The process of predicting an event requires three different activities:
monitoring, detecting and analyzing. Monitoring entails looking at the
operating parameters of the system components. Detecting means that the
server finds the required events as they occur. Analyzing ensures that the
severity or frequency of the occurrence is understood, and if it indicates an
impending failure, then the system alerts the system administrator.
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This warranty covers those HP NetServers that use HP TopTools for Servers software,
version 4.5 or higher.
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helps you run your business with
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Summary of Contents for HP D7171A - NetServer - LPr
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Page 1: Executive Summary
0 D Q D J H P H Q W 3UHð)DLOXUHý:DUUDQW\ý§ 0LQLPL]LQJý8QSODQQHGý'RZQWLPH Executive Summary The Hewlett-Packard Pre-Failure Warranty helps you run your business with less downtime. It extends the advantage of HP’s limited warranty by providing coverage on critical components, such as hard drives, memory and power supplies, before they actually fail. - Page 2 HP Solutions Hewlett-Packard offers a Pre-Failure Warranty as an additional weapon in a broad arsenal that is designed to enable administrators to achieve the highest possible system uptime with their server configurations.
- Page 3 ZKLWHýSDSHU ý 1 H W 6 H U Y H U ý 0 D Q D J H P H Q W HP NetServer Agents HP NetServer Agents unlock the monitoring capabilities designed into HP NetServers. These Agents monitor the current state of server subsystems by measuring certain operating parameters, counting the occurrence of particular events (for example, the number of read operations performed on a disk drive), and report on the state of critical functions (such as whether the system cooling fan is operating).
- Page 4 ZKLWHýSDSHU ý 1 H W 6 H U Y H U ý 0 D Q D J H P H Q W Figure 1. HP TopTools information provided during a memory module failure Subsystems and Components Covered by the Pre-Failure Warranty The HP Pre-Failure Warranty covers all HP NetServers using HP TopTools for Servers, during the normal warranty period.
- Page 5 ZKLWHýSDSHU ý 1 H W 6 H U Y H U ý 0 D Q D J H P H Q W Hard Disk Drives All hard disk drives shipped with HP NetServers or available as accessories are now SMART (Self-Monitoring and Reporting Technology)-enabled. These drives have been designed with the capability to inform the host (system administrator) when a drive is experiencing abnormal operation that is likely to lead to drive failure.
- Page 6 ZKLWHýSDSHU ý 1 H W 6 H U Y H U ý 0 D Q D J H P H Q W commonplace in DRAM cells, cause data to be stored incorrectly in a memory location, but subsequent accesses can correctly store data into that cell. With properly tuned hardware and software, occurrences of soft errors should be months or possibly years apart.
- Page 7 ZKLWHýSDSHU ý 1 H W 6 H U Y H U ý 0 D Q D J H P H Q W Each voltage has an upper and lower threshold for which an alert can be issued. If any voltage is out of range, an error is logged in the Event log. For an extreme voltage deviation from range, the system issues shutdown commands to prevent hardware damage and protect customer data from unstable circuitry that can result from fluctuating voltage levels.
- Page 8 OS/NOS type and revision level Conclusion Hewlett-Packard offers the Pre-Failure Warranty as another tool that helps you efficiently manage your servers and associated service and support, ensuring maximum availability and performance. Pre-Failure Warranty extends the advantage of the HP industry-leading three-year limited warranty by applying it to critical server components before they actually fail.
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Page 9: For More Information
Intel is a registered trademark of Intel Corporation. Microsoft and Windows are registered trademarks of, and Windows NT is a trademark of, Microsoft Corp. All other brand names are trademarks of their respective owners. Technical information in this document is subject to change without notice. © Copyright Hewlett-Packard Company 1999. All Rights Reserved.