Creating resiliency policies - AWS Resilience Hub

Creating resiliency policies

In AWS Resilience Hub, you can create a resiliency policy. A resiliency policy contains information and objectives that you use to assess whether your application can recover from a disruption type, such as software, hardware, Availability Zone, or AWS Region. These policies do not change or affect an actual application. Multiple applications can have the same resiliency policy.

When you create a resiliency policy, you define the recovery time objective (RTO) and recovery point objective (RPO) targets. When you run an assessment, AWS Resilience Hub determines whether the application is estimated to meet the objectives that are defined in the resiliency policy.

The assessment evaluates your application configuration against the attached resiliency policy. At the end of the process, AWS Resilience Hub provides an assessment of how your application measures against the objectives in your resiliency policy.

Note

AWS Resilience Hub allows you to enter a value zero in the RTO and RPO fields of your resiliency policy. But, while assessing your application, the lowest possible assessment result is near zero. Hence, if you enter a value zero in the RTO and RPO fields, the estimated workload RTO and estimated workload RPO result will be near zero and the Compliance status for your application will be set to Policy breached.

You can create resiliency policies in Applications, and also in Resiliency policies. You can access relevant details about your policies, and also modify and delete them.

To create resiliency policies in Applications

  1. In the left navigation menu, choose Applications.

  2. Complete the procedures from Step 1: Get started by adding an application through Step 8: Add tags .

  3. In Resiliency policies section, choose Create resiliency policy.

    The Create resiliency policy page displays.

  4. In the Choose a creation method section, select Create a policy.

  5. Enter a name for the policy.

  6. (Optional) Enter a description for the policy.

  7. Choose one of the following from Tier dropdown list:

    • Foundational IT core services

    • Mission critical

    • Critical

    • Important

    • Non critical

  8. For both RTO and RPO targets, under Customer Application RTO and RPO, enter a numeric value in the box, and then choose the unit of time that the value represents.

    Repeat these entries under Infrastructure RTO and RPO for Infrastructure and Availability Zone.

  9. (Optional) If you have a multi-Region application, you may want to define a Region's RTO and RPO targets.

    Turn-on Region. For both Region RTO and RPO targets, under Customer Application RTO and RPO, enter a numeric value in the box, and then choose the unit of time that the value represents.

  10. (Optional) If you want to add tags, you can do that later as you continue creating your policy. For more information about tags, see Tagging resources in the AWS General Reference.

  11. To create the policy, choose Create.

To create resiliency policies in Resiliency policies

  1. In the left navigation menu, choose Policies.

  2. In Resiliency policies section, choose Create resiliency policy.

    The Create resiliency policy page displays.

  3. Enter a name for the policy.

  4. (Optional) Enter a description for the policy.

  5. Choose one of the following from Tier:

    • Foundational IT core services

    • Mission critical

    • Critical

    • Important

    • Non critical

  6. For both RTO and RPO targets, under Customer Application RTO and RPO, enter a numeric value in the box and then choose the unit of time that the value represents.

    Repeat these entries under Infrastructure RTO and RPO for Infrastructure and Availability Zone.

  7. (Optional) If you have a multi-Region application, you may want to define a Region's RTO and RPO targets.

    Turn-on Region. For both RTO and RPO targets, under Customer Application RTO and RPO, enter a numeric value in the box and then choose the unit of time that the value represents.

  8. (Optional) If you want to add tags, you can do that later as you continue creating your policy. For more information about tags, see Tagging resources in the AWS General Reference.

  9. To create the policy, choose Create.

To create resiliency policies based on a suggested policy

  1. In the left navigation menu, choose Policies.

  2. In the Choose a creation method section, select Select a policy based on a suggested policy.

  3. In Resiliency policies section, choose Create resiliency policy.

    The Create resiliency policy page displays.

  4. Enter a name for the resiliency policy.

  5. (Optional) Enter a description for the policy.

  6. Under Suggested resiliency policies section, view and choose one of the following predetermined resiliency policy tiers:

    • Non-critical application

    • Important Application

    • Critical Application

    • Global Critical Application

    • Mission Critical Application

    • Global Mission Critical Application

    • Foundational Core Service

  7. To create the resiliency policy, choose Create policy.