# Managed Service Provider Configuration for Amazon

For Commvault-hosted infrastructure, MSPs can simplify infrastructure management using resource pools—predefined configurations of storage and access nodes—for efficient scaling, consistent performance, and streamlined administration.

Virtual machines

1. Create an Amazon resource pool.

2. Create a storage resource pool.

3. Configure an access node.

4. Create a new IAM policy such as STSAssumePolicy using the JSON editor, and paste msp_iam_policies_for_hosted_infrastructure.json content in the editor.

5. Create a new AWS role and assign the following IAM policies along with the new policy (created in the previous step) to the new role:

   - AmazonSSMManagedInstanceCore

   - AmazonSSMPatchAssociation

6. Configure the AwsExpressConfigHostedInfrastructureRoleArn setting using the role ARN of the new AWS role.

   1. From the Command Center navigation pane, go to Manage > Settings > Advanced.

   2. Click the Additional settings tile.

      The Additional settings page appears.

   3. In the upper-right area of the page, click Add > CommCell settings.

      The Add CommCell settings page appears.

   4. In the Name box, enter "AwsExpressConfigHostedInfrastructureRoleArn", and then select the setting with "AWS Hosted Infrastructure Role ARN" label.

   5. For Value, enter the role ARN of the new role created.

   6. In the Comment box, enter a comment for the setting.

   This setting defines the IAM role used by the backup infrastructure in the target AWS account to perform operations like backups and restores. With hosted infrastructure, the role created in the target account includes a trust policy that allows sts:AssumeRole from the hosted infrastructure role.

Databases

1. Create an Amazon resource pool.

2. Optional: Create a storage resource pool.

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