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    RAID LEVEL 0_1: High Data Transfer Performance
    0 1 2 3 4 5 6 10 50 0+1
    RAID LEVEL 0_1: High Data Transfer Performance
    0 1 2 3 4 5 6 10 50 0+1

    RAID Level 0+1 requires a minimum of 4 drives to implement

    Featured Product

    Characteristics & Advantages

    • RAID 0+1 is implemented as a mirrored array whose segments are RAID 0 arrays
    • RAID 0+1 has the same fault tolerance as RAID level 5
    • RAID 0+1 has the same overhead for fault-tolerance as mirroring alone
    • High I/O rates are achieved thanks to multiple stripe segments
    • Excellent solution for sites that need high performance but are not concerned with achieving maximum reliability

    Disadvantages

    • RAID 0+1 is NOT to be confused with RAID 10. A single drive failure will cause the whole array to become, in essence, a RAID Level 0 array
    • Very expensive / High overhead
    • All drives must move in parallel to proper track lowering sustained performance
    • Very limited scalability at a very high inherent cost

    Recommended Applications

    • Imaging applications
    • General fileserver
     
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