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RAID
Data
Level
Format
RAID0
Stripe
RAID1
Mirror
Stripe with
RAID5
1 Parity
Stripe with
RAID6
2 Parities
Stripe +
RAID 0+1
Mirror
Enhance
Single Drive
JBOD
Total Capacity
Minimum
(N = number of
Drive
drive)
2
Single Drive * N
2
Single Drive * 1
Single Drive *
3
(N-1)
Single Drive *
4
(N-2)
Single Drive *
4
(N/2)
1
Single Drive * 1
Redundancy Performance
None
High
N – 1
Low
1
Medium
2
Medium
2
Low
None
Low
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