Adaptec 2410SA User Guide - Page 141
RAID 10, Simple Volume, Spanned Volume
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Supported RAID Types RAID 10 This dual-level RAID type is created by using two or more equalsized RAID 1 arrays to create a RAID 0. Both read and write performance are improved due to array striping. However, the performance improvement costs additional storage space due to the mirroring of the arrays. RAID 10 RAID 1 Data 0 Data 2 Data 4 Data 6 Top-Level Arrays RAID 1 Data 1 Data 3 Data 5 Data 7 Drive Data 0 Data 2 Data 4 Data 6 Drive Data 0 Data 2 Data 4 Data 6 Second-Level Arrays Drive Data 1 Data 3 Data 5 Data 7 Drive Data 1 Data 3 Data 5 Data 7 Simple Volume A simple volume consists of a single disk drive. Spanned Volume A spanned volume is created by joining, or concatenating, two or more disk drives. The drives do not have to be of equal capacity and are connected end-to-end. A spanned volume offers no redundancy and no performance advantage over a single drive. D-4