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    RAID LEVEL 10: Very High Reliability Combined with High Performance
    0 1 2 3 4 5 6 10 50 0+1
    RAID LEVEL 10: Very High Reliability Combined with High Performance
    0 1 2 3 4 5 6 10 50 0+1

    RAID Level 10 requires a minimum of 4 drives to implement

    Featured Product

    Characteristics & Advantages

    • RAID 10 is implemented as a striped array whose segments are RAID 1 arrays
    • RAID 10 has the same fault tolerance as RAID level 1
    • RAID 10 has the same overhead for fault-tolerance as mirroring alone
    • High I/O rates are achieved by striping RAID 1 segments
    • Under certain circumstances, RAID 10 array can sustain multiple simultaneous drive failures
    • Excellent solution for sites that would have otherwise gone with RAID 1 but need some additional performance boost

    Disadvantages

    • 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

    • Database server requiring high performance and fault tolerance
     
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