User Manual

Shared storage—dual controller, standard cabling

This example illustrates standard cabling for a high-availability configuration. In this configuration,

note the following:

• Cabling between the two switches and the two controllers in an MSA2000sa controller enclosure.

• One cable from each switch to the MSA offers high availability.

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

• Switch in interconnect bay 6:

• Port 1: to MSA2012sa SAS port B0

Notes

• If additional ports on the MSA controllers

or 3Gb SAS BL Switch are available, HP

recommends connecting an additional

cable from the switch to the MSA control-

lers, for additional performance and fault

tolerance For an example, see Shared

storage—dual controller, optimal

cabling, page 21

Installation procedures20