SuperTrak EX Series User Manual

RAID 0 – Stripe

When a logical drive is striped, the read and write blocks of data are interleaved between the sectors of multiple physical drives. Performance is increased, since the workload is balanced between drives or “members” that form the logical drive. Identical drives are recommended for performance as well as data storage efficiency.

Figure 1. RAID 0 Striping interleaves data across multiple drives

Data

Stripe

Physical Drives

The logical drive's data capacity equals the capacity of the smallest physical drive times the number of physical drives. For example, one 100 GB and three 120 GB drives will form a 400 GB (4 x 100 GB) logical drive instead of 460 GB.

If physical drives of different capacities are used, there will also be unused capacity on the larger drives.

RAID 0 logical drives on SuperTrak consist of one or more physical drives.

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Promise Technology EX8650, EX8658, EX8654, EX4650 RAID 0 Stripe, RAID 0 Striping interleaves data across multiple drives