Shared storage—dual controller, optimal cabling, Shared stor, Age—dual controller, optimal cabling – HP 3Gb SAS Switch for HP BladeSystem c-Class User Manual
Page 21: Shared, Storage—dual controller, optimal cabling

Shared storage—dual controller, optimal cabling
This example illustrates optimal cabling for a high-performance, high-availability configuration. In this
configuration, note the following:
•
Cabling between the two switches and the two controllers in an MSA2000sa controller enclosure.
•
An additional cable from each switch to the MSA offers additional availability and performance.
IMPORTANT:
When using optimal cabling, both cables from controller enclosure must connect to one of the following
pairs of switch ports: 1/2, 3/4, 5/6, or 7/8.
Devices and quantities
MSA2012sa controller enclosures: 1
MSA2012sa controllers: 2
BladeSystem c7000 enclosures: 1
3Gb SAS BL switches: 2
Server blade types: half-height and full-height
Connection details
•
Switch in interconnect bay 5:
• Port 1: to MSA2012sa SAS port A0
• Port 2: to MSA2012sa SAS port B0
•
Switch in interconnect bay 6:
• Port 1: to MSA2012sa SAS port A1
• Port 2: to MSA2012sa SAS port B1
3Gb SAS BL Switch User Guide
21
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