Calculate total capacity, usable capacity, and fault tolerance for different RAID levels.
Min disks: 3
Description
Striping with distributed parity. Can lose 1 disk.
Total Raw
4,000 GB
Usable
3,000 GB
Overhead
1,000 GB
Efficiency
75%
RAID Level Comparison
| Level | Usable | Overhead | Eff. | Fault T. |
|---|---|---|---|---|
| RAID 0 (Striping) | 4,000 GB | 0 GB | 100% | 0 |
| RAID 1 (Mirroring) | 1,000 GB | 3,000 GB | 25% | 1 |
| RAID 5 (Striping + Parity) | 3,000 GB | 1,000 GB | 75% | 1 |
| RAID 6 (Dual Parity) | 2,000 GB | 2,000 GB | 50% | 2 |
| RAID 10 (Stripe + Mirror) | 2,000 GB | 2,000 GB | 50% | 1 |
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