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1:1 replication configuration for source and target nodes.
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1:N
1: N replication configuration that simultaneously replicates one source node to multiple target nodes.
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N:1
N:1 replication method with multiple nodes as source and one node as target.
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Local Replication
This is a way to specify the source and target of replication to one node. It is used to do local backup or local migration without separate target node.
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Shared Volume Replication
A configuration in which one source data is shared by two (active-standby) nodes and replicates this source data to a third target node. This approach is used when a SAN-like storage shared volume is shared by two nodes simultaneously and replicated to DR in real time.
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Periodic synchronization
This is the configuration method for volumes that will only perform periodic synchronization. They will not perform real-time replication. You can use this method to back up periodically, especially for volumes that cannot perform real-time replication, such as remote NFS shared volumes.
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However, be sure to specify synchronization for NFS shared volumes as a source only, and not as a synchronization target. Because NFS shared volumes are written to by multiple clients, you cannot control the FSR engine as a single synchronization target. For more information on this, see Periodic synchronization in the appendix.
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