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| Oracle Solaris Cluster Geographic Edition System Administration Guide Oracle Solaris Cluster 4.1

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## Configuring Trust Between Partner Clusters

Before you create a partnership between two clusters, you must configure the 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`.

This section contains the following procedures:

- How to Configure Trust Between Two Clusters

- How to Remove Trust Between Two Clusters

## 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 must have already been run on this cluster and the partner cluster. For more information about using the `geoadm start` command, see Enabling the Geographic Edition Software.

- The cluster name of the partner cluster is known.

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

  If the clusters are in different domains, include the domain name in the entry, as logicalhostname.domainname. However, the cluster name itself must not include the domain.

1. Log in to a cluster node.

   You must be assigned the Geo Management RBAC rights profile to complete this procedure. For more information about RBAC, see Geographic Edition Software and RBAC.

2. Import the public keys from the remote cluster to the local cluster.

   Running this command on one node of the local cluster imports the keys from the remote cluster to one node of the cluster.

       # geops add-trust -c remotepartnerclustername

   `-c` remotepartnerclustername[.domainname]

     Specifies the logical hostname of the cluster with which to form a partnership. The logical hostname is used by the 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`

     If the clusters are on different domains, also specify the fully qualified domain name. For example, two clusters in a partnership that have different domains might resemble the following:

         cluster-paris.france
         cluster-newyork.usa

     When you use this option with the `add-trust` or `remote-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:

     remotepartnercluster`.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 remotepartnerclustername[.domainname]

   This command verifies the trust from the node on which you run the command to all nodes of the partner cluster.

See Also

For a complete example of how to configure and join a partnership, see Example 5-4.

## How to Remove Trust Between Two Clusters

Before You Begin

Ensure that the following conditions are met:

- The cluster on which you want to remove trust is running.

- The cluster name of the partner cluster is known.

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

1. Log in to a cluster node.

   You must be assigned the Geo Management RBAC rights profile to complete this procedure. For more information about RBAC, see Geographic Edition Software and RBAC.

2. If there is a partnership configured between the two clusters, dissolve that partnership.

   Run the following command on both clusters:

       # geops leave

3. On all nodes of both clusters, remove all keys for the remote cluster from the truststore file on the local node.

       # geops remove-trust -c remotepartnerclustername

   Perform this step on all the nodes of the local cluster, and then repeat this step on all nodes of the partner cluster.

   `-c` remotepartnerclustername

     Specifies the logical hostname of the cluster from which you want to remove the keys. The name for the remote cluster must be identical to the cluster name you specified when adding trust with the `geops add-trust` command. You do not need to specify the fully qualified name if the remote cluster is reachable by partial name.

     When you use this option with the `add-trust` or `remote-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:

     remotepartnercluster`.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.

4. Repeat the preceding steps on a node of the remote partner cluster.

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