Hp 3Gb SAS Switch for HP BladeSystem c-Class Manuel d'utilisateur télécharger pdf (Page 21)

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

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Hp 3Gb SAS Switch for HP BladeSystem c-Class Manuel d'utilisateur Page 21