---
Title: rladmin cluster master
alwaysopen: false
categories:
- docs
- operate
- rs
description: Identifies or changes the cluster's master node.
headerRange: '[1-2]'
linkTitle: master
tags:
- configured
toc: 'true'
weight: $weight
url: '/operate/rs/7.4/references/cli-utilities/rladmin/cluster/master/'
---

Identifies the cluster's master node. Use `set` to change the cluster's master to a different node.

```sh
cluster master [ set <node_id> ]
```

### Parameters

| Parameter | Type/Value | Description |
|-----------|------------|-------------|
| node_id | integer | Unique node ID |

### Returns

Returns the ID of the cluster's master node. Otherwise, it returns an error message.

### Example

Identify the cluster's master node:

```sh
$ rladmin cluster master
Node 1 is the cluster master node
```

Change the cluster master to node 3:

```sh
$ rladmin cluster master set 3
Node 3 set to be the cluster master node
```