Compaq ProLiant CL1850 Error Prevention Guide
Compaq ProLiant CL1850 Manual
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- Compaq ProLiant CL1850 | Error Prevention Guide - Page 1
Error Prevention Guide August 2003 (First Edition) Part Number 335894-001 - Compaq ProLiant CL1850 | Error Prevention Guide - Page 2
subject to change without notice. The warranties for HP products are set forth in the express limited warranty statements accompanying such products. Nothing herein should be construed as constituting an additional warranty. Error Prevention Guide August 2003 (First Edition) Part Number 335894-001 - Compaq ProLiant CL1850 | Error Prevention Guide - Page 3
Server Design ...6 Software Updates ...6 Using a Methodology 7 Visually Checking the Server 8 Recognizing Power Problems Caused by Acts of Nature 9 Preventing Power Management Problems 10 General Power Requirements 10 Power Consumption Considerations 10 Power Supply Considerations 11 Power - Compaq ProLiant CL1850 | Error Prevention Guide - Page 4
guide is for the person who installs, administers, and troubleshoots servers. HP assumes you are qualified in the servicing of computer equipment and trained in recognizing hazards in products with hazardous energy levels. Preparing for Changes Most problems occur when something in the server system - Compaq ProLiant CL1850 | Error Prevention Guide - Page 5
Keep track of new versions of system software with the version control feature of Insight Manager 7. Using this feature, you can easily determine whether version updates are available for server BIOS, drivers, and agents. Server Design Design the server setup to minimize the impact of downtime - Compaq ProLiant CL1850 | Error Prevention Guide - Page 6
if you have a list. Use the server setup utility to check for conflicts. • Make a habit of using the HP tools, resources, software, and third-party product resources to keep abreast of potential problems. You may be able to avoid problems by noting the problems of others. • Have a reliable backup - Compaq ProLiant CL1850 | Error Prevention Guide - Page 7
SCSI controllers, hot-pluggable redundant power supplies, hot-pluggable fans, hot-pluggable drives, SCSI cables, network adapters, Processor Power Modules (PPMs), and perhaps even complete I/O, media, processor, and memory modules, if the server is modular. • Restock spare parts as they are used - Compaq ProLiant CL1850 | Error Prevention Guide - Page 8
system components. • Check for adequate airflow and dislodge anything blocking the fans. • Check for dust on external server parts, such as fans. • Check the server after power disruptions due to acts of nature. Refer to the "Recognizing Power Problems Caused by Acts of Nature" section in this guide - Compaq ProLiant CL1850 | Error Prevention Guide - Page 9
number of power supplies to be sure that the server has sufficient power capacity. In addition to determining the minimum power supply requirements, you must also consider whether AC power redundancy is a requirement, if applicable to the server. For more information on the specific power - Compaq ProLiant CL1850 | Error Prevention Guide - Page 10
power for the server, install the power supplies needed for the level of redundancy you require. Power Redundancy Considerations If available for the server, power redundancy protects the server from power failures caused by: • Power in the drive. Be sure that the CD-ROM or DVD tray is closed. • - Compaq ProLiant CL1850 | Error Prevention Guide - Page 11
power cables are routed in such a way that they cannot be caught or snagged by parts being removed or replaced. Preventing Tape Drive Errors HP StorageWorks Library and Tape Tools Use HP StorageWorks Library and Tape Tools (L&TT) to update tape drive firmware, as well as manage and diagnose problems - Compaq ProLiant CL1850 | Error Prevention Guide - Page 12
loss of data, HP recommends that you incorporate Cartridges Use only an HP cleaning cartridge to clean the only be used 50 times or as instructed on the cartridge packaging. When the cleaning is indicated by the backup software or if the Cleaning LED is required. However, HP recommends you schedule
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Error Prevention Guide
August 2003 (First Edition)
Part Number 335894-001