 | RAID | RAID 0 |
|---|---|---|
| Introduction (from Wikipedia) | RAID is a storage technology that combines multiple disk drive components into a logical unit. Data is distributed across the drives in one of several ways called "RAID levels", depending on the level of redundancy and performance required. | |
| Key feature | Striping | |
| Striping | Yes; data is striped (or split) evenly across all disks in the RAID 0 setup. | |
| Mirroring, redundancy and fault tolerance | No | |
| Performance | In theory RAID 0 offers faster read and write speeds compared with RAID 1. | |
| Applications | Where data reliability is less of a concern and speed is important. | |
| Minimum number of physical disks required | 2 | |
| Parity disk? | Not used | |
| Advantages | Speed: very fast reads and writes; no overhead for parity calculation. 100% disk utilization. | |
| Disadvantages | No redundancy or fault tolerance. If one drive in the RAID fails, all data is lost. |
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