Ds470054

DS4700

Figure 65. One DS4700 Express and a maximum of six EXP100 storage expansion enclosures behind a pair of DS4700 drive ports

Perform the following steps to create the recommended cabling scheme shown in Figure 65:

1.Connect the OUT port (2) on the left ESM in the first EXP100 (3) to the IN port (1) on the left ESM in the third EXP100 (5).

2.Connect the IN port (1) on the right ESM in the third EXP100 (5) to the OUT port (2) on the right ESM in the first EXP100 (3).

3.Connect the IN port (1) on the left ESM in the first EXP100 (3) to port 2 of drive channel 1 on the DS4700 Express.

4.Connect the OUT port (2) on the left ESM in the third EXP100 (5) to the IN port (1) on the left ESM in the fifth EXP100 (7).

5.Connect the IN port (1) on the right ESM in the fifth EXP100 (7) to the OUT port (2) on the right ESM in the third EXP100 (5).

6.Connect port 1 of drive channel 2 on the DS4700 Express to the OUT port (2) on the right ESM in the fifth EXP100 (7).

7.Connect the OUT port (2) on the left ESM in the second EXP100 (4) to the IN port (1) on the left ESM in the fourth EXP100 (6).

8.Connect the IN port (1) on the right ESM in the fourth EXP100 (6) to the OUT port (2) on the right ESM in the second EXP100 (4).

9.Connect the OUT port (2) on the left ESM in the fourth EXP100 (6) to the IN port (1) on the left ESM in the sixth EXP100 (8).

10.Connect the IN port (1) on the right ESM in the sixth EXP100 (8) to the OUT port (2) on the right ESM in the fourth EXP100 (6).

11.Connect the IN port (1) on the left ESM in the second EXP100 (4) to port

1of drive channel 1 on the DS4700 Express.

12.Connect port 2 of drive channel 2 on the DS4700 Express to the OUT port (2) on the right ESM in the sixth EXP100 (8).

84IBM System Storage DS4700 Express Storage Subsystem: Installation, User’s and Maintenance Guide