:original_name: mrs_01_0214.html

.. _mrs_01_0214:

Starting and Stopping a Cluster
===============================

A cluster is a collection of service components. You can start or stop all services in a cluster.

Prerequisites
-------------

You have synchronized IAM users. (On the **Dashboard** page, click **Synchronize** on the right side of **IAM User Sync** to synchronize IAM users.)

Procedure
---------

On the cluster details page, choose **Management Operations** > **Start All Components** or **Stop All Components** in the upper right corner to perform the required operation.

.. note::

   For versions earlier than MRS 1.7.2, see :ref:`Starting or Stopping a Cluster <mrs_01_0258>`.
