RA8000 and ESA12000 Storage Subsystems
5–18
EK–SMCPR–UG. A01
Figure 5–5 Placement of Multiple Disk Drive SBBs
17
11
CXO5811A
19 20
21 22 23 24
13 14
15 16
18
7
8
9
10
12
1
2
3
4
5
6
Controller A
Controller B
EMU
PVA
Cache B
Cache A
Power
bus A
Power
bus B
A
B
4A
3A
2A
1A
3B
2B
1B
4B
Shelf 4
Shelf 3
Shelf 2
Shelf 1
3. Starting from the left, install all the disk drive SBBs in shelf 2 (devices
7–12).
4. Starting from the left, install all the disk drive SBBs in shelf 3 (devices
13–18).
5. Starting from the left, install all the disk drive SBBs in shelf 4 (devices
19–24).
CAUTION
To allow the array controller to properly recognize
addresses, ensure that you turn on the expansion
enclosures before turning on the master enclosure.