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Capacity Planning for Computer Systems
Tim Browning
Verlag Elsevier Reference Monographs, 2014
ISBN 9781483266251 , 231 Seiten
Format PDF
Kopierschutz DRM
Geräte
Front Cover
1
Capacity Planning for Computer Systems
4
Copyright Page
5
Table of Contents
6
Acknowledgments
10
Preface
12
Chapter 1. Capacity Planning Foundations
16
1.1 WHAT IS CAPACITY PLANNING?
16
1.2 CAPACITY PLANNING—ART AND SCIENCE
18
1.3 THE PLANNING PROCESS
21
1.4 EVALUATION OF FUTURE SCENARIOS—THE SPECTRUM OF PROBABILITIES
23
1.5 CAPACITY PLANNING AND PREDICTING THE FUTURE
26
1.6 CAPACITY PLANNING AND PERFORMANCE MANAGEMENT
30
1.7 CAPACITY PLANNING AND BUSINESS PLANNING
33
1.8 REFERENCES
36
Chapter 2. The Metrics of Capacity Planning—Foundations
38
2.1 FUNDAMENTALS
38
2.2 RESOURCE CATEGORIZATION
40
2.3 RESOURCE CONSUMPTION METRICS
46
2.4 RESOURCE USAGE AND PERFORMANCE LEVEL METRICS FOR CAPACITY PROJECTIONS
51
2.5 RESOURCE EXHAUSTION
55
2.6 REFERENCES
57
Chapter 3. Business Elements and Service Levels
58
3.1 METHODOLOGY
58
3.2 SERVICE LEVELS AND OBJECTIVES
63
3.3 SERVICE-LEVEL AGREEMENTS
66
3.4 AWARD POINTS
68
3.5 COST CONTROLS AND CHARGEBACK
73
3.6 REFERENCES
78
Chapter 4. Forecasting, Predictions, and Planning
80
4.1 PLANNING VS. FORECASTING
80
4.2 STATISTICAL FORECASTING
83
4.3 PROBABILITY AND THE ANALYSIS OF RISK
84
4.4 CONTINGENCY—SYSTEM FAILURE AND RECOVERY
86
4.5 PREDICTION, FORECASTING, AND VISUALIZATION
87
4.6 REFERENCES
88
Chapter 5. Statistical Forecasting for Capacity Planning
90
5.1 TRENDS AND PATTERNS OF ACTIVITY
90
5.2 REGRESSION TECHNIQUES FOR CAPACITY PLANNING
94
5.3 WEIGHTED LINEAR REGRESSION—A PREFERENCE FOR THE RECENT PAST
97
5.4 COMPLEX REGRESSION COMBINATIONS
101
5.5 FORECAST MONITORING AND REVISION
104
Chapter 6. Capacity Planning and Systems Optimization
112
6.1 APPLICATIONS
112
6.2 REFERENCES
130
Chapter 7. Capacity Planning for IBM MVS Data Storage Systems
132
7.1 OVERVIEW
132
7.2 DISK CAPACITY PLANNING
133
7.3 TAPE AND TAPE DRIVE CAPACITY PLANNING
144
7.4 EVOLVING TECHNOLOGIES
148
7.5 DATA COMPRESSION
149
7.6 OPTICAL DISKS
150
7.7 AUTOMATED TAPE LIBRARIES
152
7.8 REDUNDANT ARRAYS OF INDEPENDENT DISKS (RAID)
152
7.9 CONCLUSION
153
Chapter 8. Charting and Graphics Presentations for Capacity Planning
154
8.1 OVERVIEW
154
8.2 GENERAL SUGGESTIONS FOR SUCCESSFUL DATA PRESENTATION
156
8.3 BAR CHARTS
160
8.4 PIES, 3-D CHARTS, AND 3-D PIES
163
8.5 CHARTS SPECIFICALLY USED IN CAPACITY PLANNING
164
8.6 OBJECTS, SYMBOLS, AND INFORMATION
171
8.7 REFERENCES
175
Chapter 9. Systems Administration and the Future of Capacity Planning
178
9.1 SYSTEMS ADMINISTRATION
178
9.2 NEW DIRECTIONS
180
9.3 REFERENCES
182
Appendix A: Brief Summary of Software Useful for Capacity Planners
184
Glossary
200
Index
224
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