Supported MetroCluster configuration with array LUNs

08/12/2021 Contributors

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

Feature

Fabric-attached configurations

Stretch configurations

Eight-node

Four-node

Two-node

Number of controllers

Eight

Four

Two

Uses an FC switch storage fabric

Yes

Uses FC-to-SAS bridges

Yes

Supports local HA

Yes

Supports automatic switchover

Yes

Related information

Differences between the ONTAP MetroCluster configurations

Supported MetroCluster configuration with array LUNs

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