Dell Inspiron 560MT Dell™ Technology Guide - Page 87
RAID Level 5 Configuration, Setting Your Computer to RAID-Enabled Mode
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RAID Level 5 Configuration RAID level 5 uses data parity. RAID level 5 stripes both data and parity information across three or more drives. It provides data striping at the byte level and also stripe error correction information (rotating parity array). This results in excellent performance and good fault tolerance. If a drive failure occurs, subsequent read and write operations are directed to the other surviving drives. A replacement drive can then be rebuilt using the data from the surviving drives. Also, because data is duplicated on the primary and additional drives, four 120-GB RAID level 1 drives collectively have a maximum of 360-GB on which to store data. Setting Your Computer to RAID-Enabled Mode Before creating a RAID configuration, you must set your computer to RAIDenabled mode. 1 Enter the system setup program (see "Entering the System Setup Program" on page 308). 2 Press the up- and down-arrow keys to highlight Drives, and then press . 3 Press the up- and down-arrow keys to highlight the applicable hard drive, and then press . Drives and Media 87
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