Image    18 Information Storage        Technologies

Scott L. Klingler

CONTENTS

Introduction

Storage Technologies

Magnetic Tape

Automated Tape

Disk

Virtual Storage

SSD

Optical Storage

Networked Storage

Storage Hierarchy and ILM

Media Obsolescence, Data Migrations, and Archival Preservation

Conclusion

Acknowledgment

References

Bibliography

INTRODUCTION

According to a study by the School of Information Management and Systems at the University of California, Berkeley, the world produced about 5 exabytes of new information in 2002. An exabyte is 260 bytes or approximately 1,000,000,000 gigabytes. All storage capacities in this entry are approximate because ...

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