Specifications
Escala Tower PL & S, E, T System Hardware
Table of Contents 8/16
9es3s1c0.doc
Rev 5.9
09/12/2003
CHAPTER 3: EXTERNAL STORAGE AND SAN SUBSYSTEMS ......................................... 1
1. External Subsystems Summary Table.......................................................................................................................... 7
2. DAS and DAE Fibre Disk Subsystems ......................................................................................................................... 8
2.1. Common Features of the DAS4500/5300/5700 and DAE 5000 Series.................................................................... 8
2.1.1. Highlights.......................................................................................................................................................... 8
2.1.2. Disks ................................................................................................................................................................. 9
2.1.3. DAE Enclosure ............................................................................................................................................... 11
2.1.4. iDAE Enclosure .............................................................................................................................................. 15
2.1.5. DPE Enclosure................................................................................................................................................ 21
2.2. DAE5000 (Full Fibre JBOD Disk Array Subsystems)........................................................................................... 28
2.2.1. Highlights........................................................................................................................................................ 28
2.2.2. Configurability and Packaging ....................................................................................................................... 28
2.2.3. SAN Features.................................................................................................................................................. 29
2.3. DAS5300 (Full Fibre RAID Disk Subsystems) ..................................................................................................... 29
2.3.1. Highlights........................................................................................................................................................ 29
2.3.2. Configurability and Packaging ....................................................................................................................... 29
2.3.3. SAN Features.................................................................................................................................................. 30
2.4. DAS4500 ................................................................................................................................................................ 30
2.4.1. Highlights........................................................................................................................................................ 30
2.4.2. Configurability and Packaging ....................................................................................................................... 31
2.4.3. SAN Features.................................................................................................................................................. 31
2.5. DAS5700 (Full Fibre RAID Disk Subsystems) ..................................................................................................... 31
2.5.1. Highlights........................................................................................................................................................ 31
2.5.2. Configurability and Packaging ....................................................................................................................... 32
2.5.3. SAN Features.................................................................................................................................................. 32
2.6. DAS5720 (Full Fibre RAID Disk Array Subsystems) ........................................................................................... 33
2.6.1. Highlights........................................................................................................................................................ 33
2.6.2. Configurability and Packaging ....................................................................................................................... 33
2.6.3. SAN features................................................................................................................................................... 33
3. DAS SCSI Subsystems (DAS 1000, 2000 and 3000 Series) ....................................................................................... 34
3.1. Highlights ............................................................................................................................................................... 34
3.2. The Storage Control Processor (SP)....................................................................................................................... 35
3.3. The 3.5" SCSI-2 Disk Modules .............................................................................................................................. 36
3.4. The DAS 3000 Series Cabinet................................................................................................................................ 36
3.5. The DAS 2000 Series Cabinet................................................................................................................................ 37
3.6. The DAS 1000 Series Cabinet................................................................................................................................ 37
3.7. The Power Subsystem ............................................................................................................................................ 37
3.8. The Cooling Subsystem.......................................................................................................................................... 37
3.9. The SCSI Host Connection..................................................................................................................................... 38
3.10. Disk Drives Specifications ................................................................................................................................... 38
3.11. Mirrored Caching Option ..................................................................................................................................... 39
3.12. Single board Caching Option ............................................................................................................................... 39
3.13. Prerequisites & Configurability............................................................................................................................ 39
3.14. Configuration Rules and Hints for the DAS1300, DAS2900 and DAS3200/DAS3500...................................... 41
3.14.1. Basic Cabinet ................................................................................................................................................ 41
3.14.2. Number of Disk Drives Allowed .................................................................................................................. 41
3.14.3. RAID Group Binding Rules ......................................................................................................................... 42
3.14.4. Number of Power Modules........................................................................................................................... 42
3.14.5. Number of Storage Processors (SP).............................................................................................................. 42
3.14.6. Mirrored Cache............................................................................................................................................. 42
3.14.7. Single Board Cache ...................................................................................................................................... 42
3.15. Performance.......................................................................................................................................................... 43