Choose an expansion procedure
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The expansion procedure you use depends on the type of MetroCluster configuration and the ONTAP version.
An expansion procedure involves adding new controllers and storage to the MetroCluster configuration. The expansion must maintain an even number of controllers on each site and the procedure you use depends on the number of nodes in the original MetroCluster configuration.
| Expansion method | Configuration type | ONTAP version | Procedure |
|---|---|---|---|
Method: Expand a two-node MetroCluster FC to four |
Two-node FC |
ONTAP 9 and later (platforms must be supported in ONTAP 9.2 and later) |
|
Method: Expand a four-node MetroCluster FC to eight |
Four-node FC |
ONTAP 9 or later |
|
Method: Expand a four-node MetroCluster IP to eight |
Four-node IP |
ONTAP 9.9.1 and later |