AWS Config Rule: AutoScaling Group Using ELB Healthcheck


Fernando Honig

Last Update 4 天前

Description: Checks whether your Auto Scaling groups that are associated with a load balancer are using Elastic Load Balancing health checks.

Trigger type: Configuration changes

AWS Region: All supported AWS regions except Middle East (UAE), Asia Pacific (Melbourne), Canada West (Calgary) Region

How to Resolve Manually

To solve manually, use the following procedure to add Elastic Load Balancing (ELB) health checks to an Auto Scaling group.

To add Elastic Load Balancing health checks

  1. Open the Amazon EC2 Auto Scaling console at
  2. Select the check box next to an existing group.
  3. A split pane opens up in the bottom part of the Auto Scaling groups page, showing information about the group that's selected.
  4. On the Details tab, choose Health checks, Edit.
  5. For Health check type, select Enable ELB health checks.
  6. For Health check grace period, enter the amount of time, in seconds, that Amazon EC2 Auto Scaling needs to wait before checking the health status of an instance. Frequently, new instances need to briefly warm up before they can pass a health check. To provide ample warm-up time, set the health check grace period of the group to match the expected startup time of your application.
  7. Choose Update.
  8. On the Instance management tab, under Instances, you can view the health status of instances. The Health Status column displays the results of the newly added health checks.

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