<p>Stops an Amazon EBS-backed instance. For more information, see <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/Stop_Start.html">Stop and start your instance</a> in the <i>Amazon EC2 User Guide</i>.</p> <p>You can use the Stop action to hibernate an instance if the instance is <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/Hibernate.html#enabling-hibernation">enabled for hibernation</a> and it meets the <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/Hibernate.html#hibernating-prerequisites">hibernation prerequisites</a>. For more information, see <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/Hibernate.html">Hibernate your instance</a> in the <i>Amazon EC2 User Guide</i>.</p> <p>We don't charge usage for a stopped instance, or data transfer fees; however, your root partition Amazon EBS volume remains and continues to persist your data, and you are charged for Amazon EBS volume usage. Every time you start your instance, Amazon EC2 charges a one-minute minimum for instance usage, and thereafter charges per second for instance usage.</p> <p>You can't stop or hibernate instance store-backed instances. You can't use the Stop action to hibernate Spot Instances, but you can specify that Amazon EC2 should hibernate Spot Instances when they are interrupted. For more information, see <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/spot-interruptions.html#hibernate-spot-instances">Hibernating interrupted Spot Instances</a> in the <i>Amazon EC2 User Guide</i>.</p> <p>When you stop or hibernate an instance, we shut it down. You can restart your instance at any time. Before stopping or hibernating an instance, make sure it is in a state from which it can be restarted. Stopping an instance does not preserve data stored in RAM, but hibernating an instance does preserve data stored in RAM. If an instance cannot hibernate successfully, a normal shutdown occurs.</p> <p>Stopping and hibernating an instance is different to rebooting or terminating it. For example, when you stop or hibernate an instance, the root device and any other devices attached to the instance persist. When you terminate an instance, the root device and any other devices attached during the instance launch are automatically deleted. For more information about the differences between rebooting, stopping, hibernating, and terminating instances, see <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-lifecycle.html">Instance lifecycle</a> in the <i>Amazon EC2 User Guide</i>.</p> <p>When you stop an instance, we attempt to shut it down forcibly after a short while. If your instance appears stuck in the stopping state after a period of time, there may be an issue with the underlying host computer. For more information, see <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/TroubleshootingInstancesStopping.html">Troubleshoot stopping your instance</a> in the <i>Amazon EC2 User Guide</i>.</p>

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