1.
Cable Path A as described in the following substeps:
a.
Connect one end of the storage expansion unit cable to Port a of the Fibre
Channel expansion adapter, and then connect the other end of the cable to
the In port of ESH2/ESH4 or AT-FCX A on storage expansion unit 1.
b.
Connect the Out port of ESH2/ESH4 or AT-FCX A to the In port of
ESH2/ESH4 or AT-FCX A on storage expansion unit 2.
c.
Repeat substep 1b for the remaining storage expansion units in the loop.
2.
Cable Path B as described in the following substeps:
a.
Connect one end of the storage expansion unit cable to Port b of the Fibre
Channel expansion adapter, and then connect the other end of the cable to
the In port of ESH2/ESH4 or AT-FCX B on storage expansion unit 1.
b.
Connect the Out port of ESH2/ESH4 or AT-FCX B to the In port of
ESH2/ESH4 or AT-FCX B on storage expansion unit 2.
c.
Repeat substep 2b for the remaining storage expansion units in the loop.
3.
Repeat Steps 1 and 2 for any remaining expansion adapters.
Cabling an active/active or high availability pair:
About this task
Out
In
Out
In
B
A
Out
In
Out
In
B
A
Out
In
Out
In
B
A
1 2 3 4 5 6 7 8 9
n70hw022
EXN unit 3
Loop 1
EXN unit 2
Loop 1
EXN unit 1
Loop 1
N7000 series
filer 1
Figure 2. Cabling a single storage system controller
12
IBM System Storage: N7000 Series Hardware and Service Guide
Summary of Contents for N7800
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