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Tips for the everyday admin -- #8

Tips for the everyday admin -- #8

Evan Marcus

Evan Marcus is our expert in high availability. Evan is also a Principal Engineer at Veritas Corp..

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Our countdown, brought to you by high availability expert Evan Marcus, includes some common sense tips for the everyday storage admin to follow.

#8: Examine system history

1. Which component has caused the most downtime historically?
- Keep availability statistics
- Publicize them when they are good
2. Examine root causes of these failures
- May be non-system cause, like poor source code control practices
- May be environmental, like power conditioning
3. Defend against them first
- Worry about lesser problems later

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This material is copyright 1997-2002 by Evan Marcus and Hal L. Stern. It may not be used in whole or part for commercial purposes without the express permission of both authors.

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