Cabling For Daisy Chaining - Western Digital Ultrastar Data102 User Manual

User Guide
Four Enclosures: Two Hosts with Two HBAs
5.6.4 Cabling for Daisy Chaining
Note: The CMA should be installed before installing cabling.
Step 1 : Choose a configuration from the
Host Cable Configurations (page 235)
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.
Step 2 : Cable the lower CMA.
a. Unlatch the elbow side of the CMA arm and swing it forward by pressing the blue button
b. Gather the SAS cables, one power cable, and one Ethernet cable to install in the left
that says "push" to unlatch it.
hand side.
Source Device
Host1: P1
Host1: P2
Host1: P3
Host1: P4
Host2: P1
Host2: P2
Host2: P3
Host2: P4
Enclosure1: IOMA, A1
Enclosure2: IOMA, A1
Enclosure3: IOMA, A1
Enclosure1: IOMB, B5
Enclosure2: IOMB, B5
Enclosure3: IOMB, B5
One Host Cable Configurations (page 229)
sections. The configuration choice should be made
5. System Management
5.6 Daisy Chaining
Destination Device
Enclosure1: IOMA, A6
Enclosure4: IOMB, B1
Enclosure1: IOMA, A4
Enclosure4: IOMB, B3
Enclosure1: IOMB, B1
Enclosure4: IOMA, A6
Enclosure1: IOMB, B3
Enclosure4: IOMA, A4
Enclosure2: IOMA, A2
Enclosure3: IOMA, A2
Enclosure4: IOMA, A2
Enclosure2: IOMB, B6
Enclosure3: IOMB, B6
Enclosure4: IOMB, B6
section or Two
240