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.
Expensive / High overhead. (compared to Raid 1.)
All drives must move in parallel to proper track lowering sustained performance.
Very limited scalability.
Recommended Use :
Database server requiring high performance
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