IBM DS4800 User Manual

Table 23. Description of Figure 54 (continued)
Number Description
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 EXP710 enclosure 1
6 EXP710 enclosure 2
7 EXP710 enclosure 3
8 EXP710 enclosure 4
9 EXP710 enclosure 5
10 EXP710 enclosure 6
11 EXP710 enclosure 7
12 EXP710 enclosure 8
13 EXP710 enclosure 9
14 EXP710 enclosure 10
15 EXP710 enclosure 11
16 EXP710 enclosure 12
17 EXP710 enclosure 13
18 EXP710 enclosure 14
19 EXP710 enclosure 15
20 EXP710 enclosure 16
1. Make all connections from the left ESMs to the right ESMs in the expansion
enclosures, as indicated by 21, 23, 22, and 24.
2. To create drive channel 1, after connecting enclosures 1, 2, 3, and 4 together
(21), connect drive port 4 of controller A (4A) to EXP710 enclosures 1 (5),
2 (6), 3 (7), and 4 (8); then, connect drive port 1 of controller B (1B) to
enclosures 4 (8), 3 (7), 2 (6), and 1 (5).
3. To create drive channel 3, after connecting enclosures 5, 6, 7, and 8 together
(23), connect drive port 3 of controller A (3A) to enclosures 5 (9), 6 (10),
7 (11), and 8 (12); then, connect port 2 of controller B (2B) to enclosures
8 (12), 7 (11), 6 (10), and 5 (9).
4. To create drive channel 2, after connecting enclosures 9, 10, 11, and 12
together (22), connect drive port 2 of controller A (2A) to enclosures 9
(13), 10 (14), 11 (15), and 12 (16); then, connect drive port 3 of
controller B (3B) to enclosures 12 (16), 11 (15), 10 (14), and 9 (13).
5. To create drive channel 4, after connecting enclosures 13 (17), 14 (18), 15
(19), and 16 (20) together (24), connect drive port 1 of controller A (1A)
Chapter 3. Cabling the storage subsystem 79

IBM DS4800 Specifications

General

Brand	IBM
Model	DS4800
Category	Storage
Language	English