IBM System Storage Subsystem DS5020 - Manual (Page 11)

Figures
1. DS5020 hot-swap drive bays . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2. Back view; controllers with two standard Fibre Channel host expansion channels . . . . . . . 10
3. Back view; controllers with two standard and two optional Fibre Channel host expansion channels 10
4. Back view; controllers with two standard Fibre Channel host expansion channels and two optional
iSCSI host expansion channels . . . . . . . . . . . . . . . . . . . . . . . . . 10
5. Power supply and fan unit components for the DS5020 . . . . . . . . . . . . . . . . 13
6. Power supply and fan unit and airflow . . . . . . . . . . . . . . . . . . . . . . . 14
7. Backup battery unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
8. SFP module and fiber-optic cable. . . . . . . . . . . . . . . . . . . . . . . . . 17
9. DS5020 dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
10. DS5020 airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
11. Example of cold aisle/hot aisle rack configuration . . . . . . . . . . . . . . . . . . . 25
12. Example of DS5020 serial number, machine type, and model number location . . . . . . . . 28
13. Front rack mounting template . . . . . . . . . . . . . . . . . . . . . . . . . . 33
14. Rear rack mounting template . . . . . . . . . . . . . . . . . . . . . . . . . . 34
15. Installing the support rails
. . . . . . . . . . . . . . . . . . . . . . . . . . . 35
16. Removing and replacing a controller. . . . . . . . . . . . . . . . . . . . . . . . 38
17. Removing a power supply and fan unit . . . . . . . . . . . . . . . . . . . . . . . 39
18. Removing an E-DDM CRU . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
19. Installing the DS5020 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
20. Securing the DS5020 to the rack cabinet . . . . . . . . . . . . . . . . . . . . . . 41
21. Removing and replacing a controller. . . . . . . . . . . . . . . . . . . . . . . . 42
22. Replacing a power supply and fan unit . . . . . . . . . . . . . . . . . . . . . . . 43
23. Replacing an E-DDM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
24. Storage subsystem seven-segment enclosure IDs
. . . . . . . . . . . . . . . . . . 46
25. Bending and looping specifications for fiber-optic cables . . . . . . . . . . . . . . . . 48
26. SFP module and protective cap . . . . . . . . . . . . . . . . . . . . . . . . . 50
27. Installing an SFP module into the host port . . . . . . . . . . . . . . . . . . . . . 50
28. Unlocking the SFP module latch - plastic variety . . . . . . . . . . . . . . . . . . . 51
29. Unlocking the SFP module latch - wire variety . . . . . . . . . . . . . . . . . . . . 51
30. LC-LC Fibre Channel cable . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
31. Removing fiber-optic cable protective caps . . . . . . . . . . . . . . . . . . . . . 53
32. Inserting an LC-LC Fibre Channel cable into an SFP module
. . . . . . . . . . . . . . 53
33. LC-LC Fibre Channel cable lever and latches . . . . . . . . . . . . . . . . . . . . 54
34. Removing the LC-LC Fibre Channel cable
. . . . . . . . . . . . . . . . . . . . . 54
35. Example of a redundant drive channel pair . . . . . . . . . . . . . . . . . . . . . 56
36. DS5020 storage subsystem ports and controllers . . . . . . . . . . . . . . . . . . . 58
37. Cabling for one DS5020 and one storage expansion enclosure . . . . . . . . . . . . . . 59
38. Cabling for one DS5020 and two storage expansion enclosures
. . . . . . . . . . . . . 60
39. Incorrect cabling of one DS5020 and two storage expansion enclosures . . . . . . . . . . 61
40. Cabling for one DS5020 and three storage expansion enclosures . . . . . . . . . . . . . 62
41. Cabling for one DS5020 and four storage expansion enclosures . . . . . . . . . . . . . 63
42. Cabling for one DS5020 and up to six storage expansion enclosures
. . . . . . . . . . . 64
43. Cabling for one DS5020 and up to six storage expansion enclosures . . . . . . . . . . . 66
44. Cabling for one DS5020 and two or more storage expansion enclosures in a mixed environment 67
45. DS5020 drive ports connected to EXP810 ESM ports labeled 1B . . . . . . . . . . . . . 69
46. Cabling for one DS5020 and one EXP520 storage expansion enclosure
. . . . . . . . . . 70
47. One DS5020 and two EXP520 storage expansion enclosures behind a pair of DS5020 drive ports 71
48. One DS5020 and three EXP520 storage expansion enclosures behind a pair of DS5020 drive
ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
49. One DS5020 and four EXP520 storage expansion enclosures behind a pair of DS5020 drive ports 74
50. One DS5020 and a maximum of six EXP520 storage expansion enclosures behind a pair of
DS5020 drive ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
© Copyright IBM Corp. 2009 ix