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Switch-attached cluster configuration

About this section  Top

This section describes how to configure the following platforms in a switch-attached cluster configuration:

Connections required  Top

The following table describes the number of ports and cable connections required for a switch-attached cluster configuration.

Gateway model

Gateway HBA ports used

Storage subsystem ports used

Number of
total cable connections

LUNs supported

GF270c

2

2

4

42

GF825c

2

2

4

168

GF920c

2

2

4

336

GF940c

2

2

4

672

GF960c

2

2

4

672

4

4

8

672

Connectivity diagram  Top

The following diagram shows how your gateway connects to your storage subsystem.

Port-to-port connectivity  Top

The following port-to-port scheme supports the maximum number of LUNs in a redundant configuration for the GF825c, GF920c, GF940c, and GF960c.

Note
This configuration does not provide the most effective performance for the GF960. See the configuration described in LUN configuration for GF960c maximum performance.

Port-to-port connectivity scheme

Gateway 1

Switch

1A

Any port on switch 1

2B

Any port on switch 2

Gateway 2

Switch

1A

Any port on switch 1

2B

Any port on switch 2

Storage subsystem

Switch

1A

Any port on switch 1

2A

Any port on switch 2

LUN configuration for GF960c maximum performance  Top

Connectivity diagram:

The following diagram shows how your GF960c connects to your storage subsystem for a maximum of 672 LUNs.

Caution
This configuration requires switch zoning. If you do not zone your switches as recommended, data corruption can occur.

Port-to-port connectivity scheme

The following port-to-port scheme supports the maximum number of LUNs on each port in a redundant configuration.

Port-to-port connectivity scheme

Gateway 1

Switch

Zone

1A

Any port on switch 1

1

2B

Any port on switch 2

3

Gateway 2

Switch

Zone

1A

Any port on switch 1

2

2B

Any port on switch 2

4

Storage subsystem

Switch

Zone

1A

Any port on switch 1

1

1B

Any port on switch 1

2

2A

Any port on switch 2

3

2B

Any port on switch 2

4

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