I shut down an instance, but another instance of the same type automatically launched on my account. Why did this happen, and how can I stop new instances from re-launching?
Some services allow you to automatically launch instances to replace terminated instances. This can improve the fault tolerance of an application.
For example:
- Auto Scaling groups can be configured to launch an instance to replace an instance that is undergoing maintenance.
- AWS Elastic Beanstalk environments usually include Auto Scaling groups by default.
To prevent replacement instances from launching, delete the Auto Scaling group or terminate the Elastic Beanstalk environment.
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Published: 2016-03-17
Updated: 2018-11-19
