Figures
1. DS5020 hot-swap drive bays . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2. Back view; controllers with two standard Fibre Channel host expansion channels . . . . . . . 11
3. Back view; controllers with two standard and two optional Fibre Channel host expansion channels 12
4. Back view; controllers with two standard Fibre Channel host expansion channels and two optional
iSCSI host expansion channels
. . . . . . . . . . . . . . . . . . . . . . . . . 12
5. Power supply and fan unit components for the DS5020
. . . . . . . . . . . . . . . . 15
6. Power supply and fan unit and airflow . . . . . . . . . . . . . . . . . . . . . . . 16
7. Backup battery unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
8. SFP module and fiber-optic cable. . . . . . . . . . . . . . . . . . . . . . . . . 19
9. DS5020 dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
10. DS5020 airflow
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
11. Example of cold aisle/hot aisle rack configuration . . . . . . . . . . . . . . . . . . . 27
12. Example of DS5020 serial number, machine type, and model number location . . . . . . . . 30
13. Front rack mounting template . . . . . . . . . . . . . . . . . . . . . . . . . . 35
14. Rear rack mounting template . . . . . . . . . . . . . . . . . . . . . . . . . . 36
15. Installing the support rails
. . . . . . . . . . . . . . . . . . . . . . . . . . . 37
16. Removing and replacing a controller. . . . . . . . . . . . . . . . . . . . . . . . 40
17. Removing a power supply and fan unit . . . . . . . . . . . . . . . . . . . . . . . 41
18. Removing an E-DDM CRU . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
19. Installing the DS5020 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
20. Securing the DS5020 to the rack cabinet . . . . . . . . . . . . . . . . . . . . . . 43
21. Removing and replacing a controller. . . . . . . . . . . . . . . . . . . . . . . . 44
22. Replacing a power supply and fan unit . . . . . . . . . . . . . . . . . . . . . . . 45
23. Replacing an E-DDM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
24. Storage subsystem seven-segment enclosure IDs
. . . . . . . . . . . . . . . . . . 48
25. Bending and looping specifications for fiber-optic cables . . . . . . . . . . . . . . . . 50
26. SFP module and protective cap . . . . . . . . . . . . . . . . . . . . . . . . . 52
27. Installing an SFP module into the host port . . . . . . . . . . . . . . . . . . . . . 52
28. Unlocking the SFP module latch - plastic variety . . . . . . . . . . . . . . . . . . . 53
29. Unlocking the SFP module latch - wire variety . . . . . . . . . . . . . . . . . . . . 53
30. LC-LC Fibre Channel cable . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
31. Removing fiber-optic cable protective caps . . . . . . . . . . . . . . . . . . . . . 55
32. Inserting an LC-LC Fibre Channel cable into an SFP module
. . . . . . . . . . . . . . 55
33. LC-LC Fibre Channel cable lever and latches . . . . . . . . . . . . . . . . . . . . 56
34. Removing the LC-LC Fibre Channel cable
. . . . . . . . . . . . . . . . . . . . . 56
35. Example of a redundant drive channel pair . . . . . . . . . . . . . . . . . . . . . 58
36. DS5020 storage subsystem ports and controllers . . . . . . . . . . . . . . . . . . . 60
37. Cabling for one DS5020 and one storage expansion enclosure . . . . . . . . . . . . . . 61
38. Cabling for one DS5020 and two storage expansion enclosures
. . . . . . . . . . . . . 62
39. Incorrect cabling of one DS5020 and two storage expansion enclosures
. . . . . . . . . . 63
40. Cabling for one DS5020 and three storage expansion enclosures . . . . . . . . . . . . . 64
41. Cabling for one DS5020 and four storage expansion enclosures . . . . . . . . . . . . . 65
42. Cabling for one DS5020 and up to six storage expansion enclosures
. . . . . . . . . . . 66
43. Cabling for one DS5020 and up to six storage expansion enclosures
. . . . . . . . . . . 68
44. Cabling for one DS5020 and two or more storage expansion enclosures in a mixed environment
69
45. DS5020 drive ports connected to EXP810 ESM ports labeled 1B . . . . . . . . . . . . . 71
46. Cabling for one DS5020 and one EXP520 storage expansion enclosure
. . . . . . . . . . 72
47. One DS5020 and two EXP520 storage expansion enclosures behind a pair of DS5020 drive ports 73
48. One DS5020 and three EXP520 storage expansion enclosures behind a pair of DS5020 drive
ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
49. One DS5020 and four EXP520 storage expansion enclosures behind a pair of DS5020 drive ports 76
50. One DS5020 and a maximum of six EXP520 storage expansion enclosures behind a pair of
DS5020 drive ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
© Copyright IBM Corp. 2009, 2012
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Содержание System Storage DS5020
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