Controller-to-stack cabling worksheet and cabling example
for a quad-path HA configuration with two quad-port SAS
HBAs
You can use the completed controller-to-stack cabling worksheet and cabling example to cable a quad-path
HA configuration that has two quad-port SAS HBAs.
• If needed, you can refer to the “SAS cabling rules” section for information about supported configurations,
the controller slot numbering convention, shelf-to-shelf connectivity, and controller-to-shelf connectivity
(including the use of port pairs).
• If needed, you can refer to the “How to read a worksheet to cable controller-to-stack connections for quad-
pathed connectivity” section.
• The cabling example shows controller-to-stack cables as solid or dashed to distinguish controller A and C
port connections from controller B and D port connections.
• Cables in the cabling examples and their corresponding port pairs in the worksheets are color-coded to
distinguish connectivity to each stack in the HA pair.
• The cabling example visually distinguishes the two sets of multipathed cabling needed to achieve quad-
pathed connectivity for each controller to each stack in an HA pair or single-controller configuration.
The first set of multipathed cabling is referred to as “multipathed”. The second set of multipathed
cabling is referred to as “quad-pathed”. The second set of cabling is referred to as “quad-pathed” because
completing this set of cabling gives you the quad-pathed connectivity.
• The worksheet example shows port pairs designated for multipathed cabling or quad-pathed cabling to
the applicable stack.
Each port pair designated for multipathed cabling is encircled by an oval that is the color associated with
the stack it is cabled to. Each port pair designated for quad-pathed cabling is encircled by a rectangle that
is the color associated with the stack it is cabled to.
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