Cabling For Daisy Chaining - HGST Ultrastar Data102 User Manual

User Guide
Hardware
5.5.4 Cabling for Daisy Chaining
Note: The CMA should be installed before installing cabling.
1. Choose a configuration from the
Two Host Cable Configurations
made based on the number of hosts being connected to the enclosure, the number of HBAs in
each host, and how many enclosures will be daisy chained together.
2. Cable the lower CMA.
a. Unlatch the elbow side of the CMA arm and swing it forward by pressing the blue
button that says "push" to unlatch it.
b. Gather the SAS cables, one power cable, and one Ethernet cable to install in the left
hand side.
Source Device
Enclosure2: IOMA, A4
Enclosure2: IOMB, B3
Enclosure2: IOMB, B4
Enclosure3: IOMA, A3
Enclosure3: IOMA, A4
Enclosure3: IOMB, B3
Enclosure3: IOMB, B4
One Host Cable Configurations
(page 267) sections. The configuration choice should be
Note: Before cabling the lower CMA, note the following routing of the
cables. For best results, the cables that are supported by the upper
CMA are inserted into IOM B (right hand side looking at the rear) and
the lower CMA cables are routed to IOM A (left hand side looking at
the rear) in a "criss-cross" pattern. See the
for Cable Routing (page 201) for more information.
274
5. System Management
5.5 Daisy Chaining
Destination Device
Enclosure3: IOMA, A2
Enclosure3: IOMB, B1
Enclosure3: IOMB, B2
Enclosure4: IOMA, A1
Enclosure4: IOMA, A2
Enclosure4: IOMB, B1
Enclosure4: IOMB, B2
(page 261) section or
Special Considerations