Connect SC200/SC220 Enclosures
Dell Compellent
73
Dual Controllers, Four Enclosures, Two Chains
This
illustration
shows
two
SC8000
controllers
cabled
to
two
SAS
enclosures.
Each
enclosure
is
on
a
separate
chain.
When
two
chains
are
used,
IPC
is
optional.
Figure 71. Dual SC8000 Controllers, Four Enclosures, Two Chains
Path
Connections
Chain
1:
A
Side
1 Controller A:
slot
6,
port
1
→
Enclosure
1:
top
EMM,
port
A.
2 Enclosure
1:
top
EMM,
port
B
→
Enclosure
2:
top
EMM,
port
A.
3 Enclosure
2:
top
EMM,
port
B
→
Controller
B:
slot
6,
port
3.
Chain
1:
B
Side
1 Controller B:
slot
5,
port
1
→
Enclosure
1:
bottom
EMM,
port
A.
2 Enclosure
1:
bottom
EMM,
port
B
→
Enclosure
2:
bottom
EMM,
port
A.
3 Enclosure
2:
bottom
EMM,
port
B
→
Controller
A:
slot
5,
port
3.
Chain
2:
A
Side
1 Controller A:
slot
6,
port 3
→
Enclosure
3:
top
EMM,
port
A.
2 Enclosure
3:
top
EMM,
port
B
→
Enclosure
4:
top
EMM,
port
A.
3 Enclosure
4:
top
EMM,
port
B
→
Controller
B:
slot
6,
port
1.
Controller A
Controller B
Enclosure 1
Enclosure 2
Enclosure 3
Enclosure 4
4
3
2 1
4
3
2 1
4
3
2 1
4
3
2 1
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
