to enclosures 13 (17), 14 (18), 15 (19), and 16 (20); then, connect drive
port 4 of controller B (4B) to enclosures 16 (20), 15 (19), 14 (18), and
13 (17).
One DS4800 to seven EXP810 and eight EXP710 storage
expansion enclosures
If you are cabling one DS4800 Storage Subsystem to seven EXP810 storage
expansion enclosures operating at 4 Gbps and eight EXP710 storage expansion
enclosures operating at 2 Gbps, Figure 55 shows the recommended cabling
scheme.
Table 24. Description of Figure 55
Number Description
4A Connection from drive port 4 controller A
1B Connection from drive port 1 controller B
3A Connection from drive port 3 controller A
2B Connection from drive port 2 controller B
2A Connection from drive port 2 controller A
3B Connection from drive port 3 controller B
1A Connection from drive port 1 controller A
4B Connection from drive port 4 controller B
1 Drive channel 1
2 Drive channel 2
3 Drive channel 3
4 Drive channel 4
5 EXP810 enclosure 1
6 EXP810 enclosure 2
7 EXP810 enclosure 3
8 EXP810 enclosure 4
9 EXP810 enclosure 5
Figure 55. One DS4800 to seven EXP810 and eight EXP710 storage expansion enclosures—recommended cabling
80 IBM System Storage DS4800 Storage Subsystem: Installation, User’s, and Maintenance Guide
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