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If...
You are cabling a multipath HA, multipath,
single-path HA, or single-path configuration
You are cabling a quad-path HA or quad-path
configuration
Step 2.
Identify the controller SAS port pairs that you can use to cable the controller-to-stack connections.
a.
Check the controller-to-stack cabling worksheets and cabling examples sections to see
whether a completed worksheet exists for your configuration.
b.
The next step depends on whether a completed worksheet exists for your configuration:
If...
There is a completed worksheet for
your configuration
There is no completed worksheet for
your configuration
Step 3.
Cable the controller-to-stack connections using the completed worksheet.
Then...
Go to the next step.
You use the existing completed worksheet.
Fill out a controller-to-stack cabling worksheet template.
Worksheet templates can be found towards the back of this
guide.
.
Chapter 1
Installing and cabling disk shelves with IOM12 modules for a new system installation
Then...
Cable the shelf-to-shelf connections as
"standard" connectivity (using IOM ports 3 and
1):
a. Beginning with the logical first shelf in the
stack, connect IOM A port 3 to the next shelf's
IOM A port 1 until each IOM A in the stack is
connected.
b. Repeat substep a for IOM B.
c. Repeat substeps a and b for each stack.
Cable the shelf-to-shelf connections as
"double-wide" connectivity:
You cable the standard connectivity using IOM
ports 3 and 1 and then the double-wide
connectivity using IOM ports 4 and 2.
a. Beginning with the logical first shelf in the
stack, connect IOM A port 3 to the next shelf's
IOM A port 1 until each IOM A in the stack is
connected.
b. Beginning with the logical first shelf in the
stack, connect IOM A port 4 to the next shelf's
IOM A port 2 until each IOM A in the stack is
connected.
c. Repeat substeps a and b for IOM B.
d. Repeat substeps a through c for each stack.
5
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