Supported MetroCluster configuration with array LUNs

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You can set up either a MetroCluster configuration with array LUNs. Both stretch and fabric-attached configurations are supported. AFF systems are not supported with array LUNs.

The features supported on the MetroCluster configurations vary with the configuration types. The following table lists the features supported on the different types of MetroCluster configurations with array LUNs:

Feature

Fabric-attached configurations

Stretch configurations

Eight-node

Four-node

Two-node

Two-node

Number of controllers

Eight

Four

Two

Two

Uses an FC switch storage fabric

Yes

Yes

Yes

Yes

Uses FC-to-SAS bridges

Yes

Yes

Yes

Yes

Supports local HA

Yes

Yes

No

No

Supports automatic switchover

Yes

Yes

Yes

Yes