Dell Precision T3400 User's Guide - Page 46
RAID Level 10 (1+0
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serial ATA RAID configured for RAID level 5 segment 1 segment 2 segment 3 segment 4 segment 5 segment 6 hard drive 1 segment 1 striped across at least 3 drives segment 2 striped across at least 3 drives segment 3 striped across at least 3 drives segment 4 striped across at least 3 drives segment 5 striped across at least 3 drives segment 6 striped across at least 3 drives hard drives 2, 3 (and optionally, 4) If a drive failure occurs, subsequent read and write operations are directed to the surviving drives. A replacement drive can then be rebuilt using the data from the surviving drives. NOTE: In a RAID level 5 configuration, the size of the configuration is equal to the size of the smallest drive in the configuration multiplied by three. RAID Level 10 (1+0) RAID level 10, also known as RAID level 1+0, uses a data-staging storage technique known as data parity. When data is written to the primary drive, the data is then duplicated on four other drives. Unlike a RAID level 1 configuration which writes to one other volume that acts as a data mirror, a RAID level 10 configuration writes data to each drive in increments which places data from each segment across multiple drives. A RAID level 10 configuration has higher data access rates but requires more storage space than a RAID level 0 or RAID level 1 configuration. 46 About RAID Configurations