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RAID Implementation Types
RAID 1+0
In RAID 1+0, or RAID 10, the drives in the array is mirrored first (RAID 1) and then striped (RAID 0). This provides a better fault tolerance than RAID (0+1). At least 4 drives is needed.

- Data is first transmitted to RAID controller
- Then, the data is written to "array 1" and is then mirrored to "array 2"
- Then, "array 1" and "array 2" is striped onto "array 3" and "array 4"
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RAID 10 can survive multiple drive failure, as long as the drive failure is in different sets.
The disadvantage here is storage capacity is halved, due to mirroring.






