Configure the MongoDB replica set in six simple steps

In this tutorial, we will create a MongoDB cluster with three nodes. The first node is the master node, the second node is the Failover node, and the third node is the arbitration node.

In this tutorial, we will create a MongoDB cluster with three nodes. The first node is the master node, the second node is the Failover node, and the third node is the arbitration node.

In this tutorial, we will create a MongoDB cluster with three nodes. The first node is the master node, the second node is the Failover node, and the third node is the arbitration node.

1. Install Mongo and set the configuration file

Install three servers and adjust the configuration file/etc/configure D. conf:

# Select your replication set name
ReplSet = [replication_set_name]
# Select the replication log size
OplogSize = 1024
Disable the bind_ip parameter to avoid binding to only 127.0.0.1 interface
# Bind_ip

2. Restart the three mongod daemon.

> Sudo service producer D restart

3. Create Initialization Configuration on the master node

Log on to the master node and create an Initialization Configuration. Note that do not use the return address (127.0.0.1) when using a private IP Address ):

> Mongo
Primary> cfg = {"_ id": "[replication_set_name]", "members": [{"_ id": 0, "host": "[Primary_Host_IP]: 27017 "}]}
Primary> rs. initiate (cfg );

4. Add a Failover instance to the replica set

Primary> rs. add ("[Failover_Host_IP]: 27017 ")

5. Add an arbitration instance to the replica set

Primary> rs. addArb (": 27017 ")

6. Confirm the status of the replica set.

Primary> rs. status ()

Bottom Line

I hope that the installation of each data cluster is as easy as that of the MongoDB replica set.

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