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RAID 0
Data striping across devices
Increased performance
No fault tolerance
RAID 1
Mirrors data across only two devices
Fault tolerance
Better read performance
RAID 5
Stripes data with one set of parity for 3+ storage devices
Can only lose one drive at a time
Performance and parity
RAID 6
Stripes data with two sets of parity
Tolerates failure of 2 drives simultaneously
"One better than RAID 5”
RAID 10
RAID 1 + RAID 0; striped array of mirrored arrays
Fault tolerance (mirroring) with performance (striping)