- 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
- Excellent solution for sites who would have otherwise gone with RAID 1 but need some additional performance boost
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- Very expensive
- All drives must move in parallel to proper track lowering sustained performance
- Very limited scalability at a very high inherent cost
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