:original_name: admin_guide_000056.html

.. _admin_guide_000056:

Starting and Stopping All Instances on a Host
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Scenario
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If a host is faulty, you may need to stop all the roles on the host and perform maintenance check on the host. After the host fault is rectified, start all roles running on the host to recover host services. You can start or stop all instances on a host on the host management page or host details page on FusionInsight Manager. The following describes how to perform such operations on the host management page.

Procedure
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#. Log in to FusionInsight Manager.
#. Click **Hosts**.
#. Select the check box of the target host.
#. Select **Start All Instances** or **Stop All Instances** from the **More** drop-down list to start or stop all role instances.
