Table of Contents | |
1 | Overview................................................... | 1 |
| Single Ended and Differential SCSI Buses....................... | 2 |
| Maximum Cable Length for SCSI Standards.................... | 2 |
| Documentation Set............................................................ | 3 |
2 | Introduction to RAID................................ | 5 |
| RAID Overview................................................................ | 5 |
| RAID Levels..................................................................... | 6 |
| Consistency Check............................................................ | 6 |
| Fault Tolerance ................................................................. | 6 |
| Disk Striping..................................................................... | 7 |
| Disk Mirroring.................................................................. | 8 |
| Disk Spanning................................................................... | 9 |
| Parity............................................................................... | 10 |
| Hot Spares....................................................................... | 11 |
| Disk Rebuild ................................................................... | 12 |
| Logical Drive .................................................................. | 13 |
| Hot Swap ........................................................................ | 13 |
| SCSI Drive States ........................................................... | 13 |
| Logical Drive States........................................................ | 13 |
| Disk Array Types............................................................ | 14 |
| Enclosure Management................................................... | 14 |
3 | RAID Levels............................................ | 15 |
| Selecting a RAID Level .................................................. | 16 |
| RAID 0 ........................................................................... | 17 |
| RAID 1 ........................................................................... | 18 |
| RAID 3 ........................................................................... | 19 |
| RAID 5 ........................................................................... | 21 |
| RAID 10 ......................................................................... | 22 |
| RAID 30 ......................................................................... | 23 |
| RAID 50 ......................................................................... | 24 |
4 | Features.................................................. | 25 |
| SMART Technology....................................................... | 25 |
| Configuration on Disk..................................................... | 26 |
| Hardware Requirements.................................................. | 26 |
| Configuration Features.................................................... | 26 |
| Hardware Architecture Features ..................................... | 27 |
| Array Performance Features ........................................... | 27 |
| RAID Management Features........................................... | 28 |
| Fault Tolerance Features................................................. | 28 |
| Software Utilities ............................................................ | 28 |
| Operating System Software Drivers................................ | 29 |
| MegaRAID Specifications .............................................. | 29 |
| Components .................................................................... | 30 |
| Summary......................................................................... | 32 |