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| Oracle Solaris Cluster Geographic Edition Installation Guide

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## Configuring Trust Between Partner Clusters

Before you create a partnership between two clusters, you must configure Geographic Edition software for secure communication between the two clusters. The configuration must be reciprocal. For example, you must configure the cluster `cluster-paris` to trust the cluster `cluster-newyork`, and you must also configure the cluster `cluster-newyork` to trust the cluster `cluster-paris`.

## How to Configure Trust Between Two Clusters

Before You Begin

Ensure that the following conditions are met:

- The cluster on which you want to create the partnership is running.

- The `geoadm start` command has already been run on this cluster and the partner cluster. For more information about using the `geoadm start` command, see Enabling the Geographic Edition Infrastructure.

- The cluster name of the partner cluster is known.

- The host information of the partner cluster is defined in the local hosts file. The local cluster needs to know how to reach the partner cluster by name.

1. Become superuser on a cluster node.
2. Import the public keys from the remote cluster to the local cluster.

   Run the following command on one node of the local cluster to import the keys from the remote cluster to one node of the cluster.

       # geops add-trust -c remotecluster

   `-c` remotecluster

     Specifies the logical hostname of the cluster with which to form a partnership. The logical hostname is used by Geographic Edition software and maps to the name of the remote partner cluster. For example, a remote partner cluster name might resemble the following:

     `cluster-paris`

     When you use this option with the `add-trust` or `remove-trust` subcommand, the option specifies the alias where the public keys on the remote cluster are stored. An alias for certificates on the remote cluster has the following pattern:

     remotecluster`.certificate[0-9]*`

     Keys and only keys that belong to the remote cluster should have their alias match this pattern.

   For more information about the `geops` command, refer to the `geops`(1M) man page.

3. Repeat the preceding steps on a node of the remote partner cluster.
4. Verify trust from one node of each cluster.

       # geops verify-trust -c remotecluster

Next Steps

Configure and join the partnership. See Chapter 5, Administering Cluster Partnerships, in Oracle Solaris Cluster Geographic Edition System Administration Guide.

See Also

To remove a partnership between two clusters, see How to Remove Trust Between Two Clusters in Oracle Solaris Cluster Geographic Edition System Administration Guide.

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