However, RAID may be used to produce live backups of physical hard drives, which can have an impact on the hard drive's useable capacity. Is it worth losing half of your disk space in order to have a backup? To prevent hard drive failure due to frequent power outages, what kind of RAID configuration should a home computer use?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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However, RAID may be used to produce live backups of physical hard drives, which can have an impact on the hard drive's useable capacity. Is it worth losing half of your disk space in order to have a backup? To prevent hard drive failure due to frequent power outages, what kind of RAID configuration should a home computer use?

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