The agent is named edb-efm-4.6 you can use your platform-specific service command to control the service. On any node, start the Failover Manager agent. If the node is a witness node, the properties relating to a local database installation are ignored. Set is.witness to true if the node is a witness node. Modify the bind.address property to use the node’s local address. The efm.properties file can be the same on every node, except for the following properties: After copying the files, change the file ownership so the files are owned by efm:efm. Copy the efm.properties and efm.nodes files to /etc/edb/efm-4.6 on the other nodes in your sample cluster. The agent expects that some of the addresses in the file can't be reached (for example, that another agent hasn’t been started yet).Ĭonfigure the other nodes. The Failover Manager agent doesn't validate the addresses in the efm.nodes file. Include in the list at least the membership coordinator's address. One node acts as the membership coordinator. Add the addresses and ports of each node in the cluster to this file.
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nodes file ( efm.nodes in this example) is read at startup to tell an agent how to find the rest of the cluster or, in the case of the first node started, can be used to simplify authorization of subsequent nodes. On a test cluster, set to true to simplify startup for production usage, consult the Failover Manager User Guide. If you are running on a network without Internet access, set to an address that is available on your network. True on a witness node and false if it is a primary or standby. The local address of the node and the port to use for Failover Manager. The data directory in which EFM will find or create the nf file or the standby.signal file.Īn email address at which to receive email notifications (notification text is also in the agent log file). The path to the bin directory (used for calls to pg_ctl). Required only if the database is running as a service. The name of the database service (used to restart the server). The owner of the data directory (usually postgres or enterprisedb). The encrypted password of the database user.
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You can use the EDB repository and the yum install command to install Failover Manager on each node of the cluster: During EDB Postgres Advanced Server installation, you configured an EDB repository on each database host. Install Failover Manager on each primary and standby node. For detailed information about configuring streaming replication, refer to Configuring streaming replication. Postgres streaming replication must be configured and running between the primary and standby nodes. For information about installing, refer to the EDB Postgres Advanced Server documentation. Install and initialize a database server on one primary and one or two standby nodes.
Using EDB Postgres Advanced Server as an example (Failover Manager also works with PostgreSQL), follow these steps for basic installation and configuration before beginning the tutorial: Before configuring Failover Manager for a production deployment, read and understand the rest of the Failover Manager documentation. This tutorial describes configuring a Failover Manager cluster in a test environment.
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Failover Manager is a high-availability tool that allows a Postgres primary node to automatically failover to a standby node in the case of a software or hardware failure on the primary node.
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