HP 117755-003 - ProSignia - 740 Руководство по предотвращению ошибок - Страница 4
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Abstract
This guide provides information to help you avoid future system problems. While
many of the pointers provided are common-sense suggestions, these prevention tasks
are too important to overlook.
Audience Assumptions
This 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 has been changed. Follow
these tips when making any changes to the server:
•
Back up the system often. Be sure that the backups are not corrupted before
making changes. If the system contains valuable data, have at least two complete
known functional backups of the operating system and data, a copy of the backup
software, and a functional tape drive that can read the backup. Two backups
ensure complete data recovery in the event that something happens to the first
tape or during the first restore attempt.
•
Document the system settings. If the system configuration will be changed, first
obtain a record of the current system configuration settings using the Survey
Utility.
•
Check the HP resources, the software documentation, and third-party product
documentation for information about potential problems. Websites are excellent
places to find this information.
•
If possible, make changes one at a time. This minimizes variables and maintains
a controlled environment.
•
Record the results of each change after it is executed, being sure to include any
error messages or additional information collected.
Error Prevention Guide
5