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Figure 40.4 Ports Required for IPv4 and IPv6 Single Indexer Place for Fig.

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  • Single-Site Cluster: In a single-site cluster, the Grid Master is also the cluster master and all reporting members are cluster indexer peers. NIOS selects a peer and configures it as the search head to handle search queries. If the selected search head goes down, NIOS automatically selects another search head among the reporting members in the same site. All other Grid members (non-reporting members) are considered forwarders that send reporting data to the cluster peers for processing. You must configure at least two reporting members that are located in the same site (location). By default, the replication factor and search factor for a single-site cluster are set to 2. Note that you can upgrade your configuration from a single-site cluster to a multi-site cluster. However, once configured, you cannot change your configuration back to a single indexer. For information about how to configure a single-site cluster, see Configuring Reporting Clusters.

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