RAID 0
| RAID 0 provides disk striping across all drives in the RAID subsystem. RAID 0 does not |
| provide any data redundancy, but does offer the best performance of any RAID level. |
| RAID 0 breaks up data into smaller blocks and then writes a block to each drive in the |
| array. The size of each block is determined by the stripe size parameter, set during the |
| creation of the RAID set. RAID 0 offers high bandwidth. By breaking up a large file into |
| smaller blocks, MegaRAID Express 500 can use several drives to read or write the file |
| faster. RAID 0 involves no parity calculations to complicate the write operation. This |
| makes RAID 0 ideal for applications that require high bandwidth but do not require fault |
| tolerance. |
Uses | RAID 0 provides high data throughput, especially for large |
| files. Any environment that does not require fault tolerance. |
Strong Points | Provides increased data throughput for large files. No capacity |
| loss penalty for parity. |
Weak Points | Does not provide fault tolerance. All data lost if any drive |
| fails. |
Drives | One to 15 |
| The initiator takes one ID per channel. This leaves 15 IDs |
| available for one channel. |
Chapter 3 RAID Levels | 19 |