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Understanding the parts of the MetroCluster configuration

The MetroCluster configuration consists of a disaster recovery (DR) group that includes two HA pairs, each in a separate cluster at physically separated sites. FC switches and long distance Inter-Switch Links (ISLs) provide a backbone connection between the clusters. The clusters are also in a peering relationship, with each cluster's configuration information mirrored to the partner.

The MetroCluster configuration includes the following key hardware elements:

The following illustration shows a simplified view of the MetroCluster configuration. For some connections, a single line represents multiple, redundant connections between the components. Data and management network connections are not shown.

The following illustration shows a more detailed view of the connectivity in a single MetroCluster cluster (both clusters have the same configuration):

The configuration includes the following connections: