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Druva Documentation

Deploy Phoenix AWS proxy

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About Phoenix AWS Proxy

Phoenix AWS proxy is an Elastic Compute Cloud (EC2) instance that runs the Phoenix disaster recovery service. It orchestrates copying data from the Phoenix Cloud to your AWS account and creates a DR copy at a frequency specified in the DR plan. The Phoenix AWS proxy runs in your AWS account. The Phoenix AWS proxy is launched in the same AWS region where the virtual machine backups are located. The EC2 instances are started in the same region for disaster recovery.

Phoenix uses the AWS Cloud Formation template to deploy the Phoenix AWS Proxy.

About AWS Cloud Formation template used to deploy the Phoenix AWS Proxy

You must first select the AWS storage region on the Phoenix Management Console and create an AWS Cloud Formation stack to define the AWS resources.

Phoenix uses AWS Cloud Formation to automates the deployment along with the prerequisites of proxy deployments, such as the creation of IAM policy and IAM role, creation of IAM instance profile, security group, and attaching the policy to the proxy, deploy proxy by registering and activating the proxy.  When the Phoenix AWS Proxy is deployed, the cloud formation template identifies if an IAM role with the same name exists. If not, a new IAM role is automatically created and attached to the Phoenix AWS Proxy EC2 instance.

AWS Cloud Formation provides a simple JSON-based template to define all the AWS resources that you need to deploy your infrastructure for disaster recovery and a stack to create and manage the resources. For more information, see AWS CloudFormation Concepts.

About secure communication using AWS PrivateLink

When you deploy the Phoenix AWS Proxy using the cloud formation stack, Druva deploys VPC endpoints for required services and deploys a Route 53 hosted zone for the VPC. This allows secure communication within the AWS network through the VPC endpoint services (AWS PrivateLink) without needing the internet gateway.  

AWS PrivateLink provides private connectivity between VPCs and services hosted on AWS or on-premises, securely on the Amazon network. By providing a private endpoint to access the services, AWS PrivateLink ensures the traffic is not exposed to the public internet. It also makes it easy to connect services across different accounts and VPCs to significantly simplify your network architecture.

For more information, see  VPC endpoint services (AWS PrivateLink) in the AWS documentation.

The following diagram illustrates the communication flow:

Private_Link.png

Deploying the Phoenix AWS Proxy

Phoenix AWS Proxy deployment comprises of the following steps: 

Deployment.png

Step 1Select an AWS region on the Phoenix Management Console

Step 2: Create a CloudFormation Stack on the AWS Management Console

Step 3: View deployed proxy

Considerations

  1. You must register the Phoenix AWS proxy in the same region as the server storage region.
  2. When you delete a stack, AWS does not delete resources attached to the stack. Ensure that you manually delete the resources attached to the AWS account. For more information, see AWS KB article.
  3. All the endpoints require a security group attached to it with inbound port 443 enabled.
  4. To  login to the AWS proxy use "centos"  as the username and use the key pair you provided while deploying the AWS proxy. 

Step 1: Select an AWS region on the Phoenix Management Console 

Deploy the Phoenix AWS proxy in the same region where the virtual machines that you intend to configure for disaster recovery are backed up in Phoenix. For example, if the virtual machines are backed up to a storage in Phoenix that is located in the US-East region, deploy the Phoenix AWS proxy in the US-East region.

The backup data from the Druva Cloud S3 bucket can be stored only to the S3 bucket of the customer account that belongs to same the region. Also, the optimum transfer rate can be ensured only within the same region. 

Procedure

  1. Log in to the Phoenix Management Console.
  2. On the menu bar, click All Organizations, and select the required organization from the drop-down list.
  3. On the menu bar, click Disaster Recovery.
  4. In the left pane, click the Phoenix AWS Proxies tab.
  5. On the Phoenix AWS Proxies page, click Register Phoenix AWS Proxy.
  6. On the Register Phoenix AWS Proxy page, from the AWS Region drop-down list, select the AWS region where you want to deploy the proxy. For example, us-west-2.

    Register_proxy_cfs.PNG

    The Activation Token section displays an activation token that is used while creating the CloudFormation Stack.

    Note: Phoenix lists the activation token under Manage > Activation Tokens.

  1. In the AWS CloudFormation Stack section, click Create CloudFormation Stack to register the Phoenix AWS proxy.

If you are logged in to the AWS Management Console, you are directed to the Quick Create Stack page. Else, you are directed to the login page of the AWS Management Console. Use your credentials to login and view the Quick Create Stack page.

Step 2: Create a CloudFormation Stack on the AWS Management Console

The Quick create stack page on the AWS Management Console uses a proxy deployment template depending on your first-time proxy deployment or the subsequent deployments. In the Quick create stack page configure parameters for your AWS resources defined in the template.

Procedure

  1. Verify the stack details and click Next.

    Field Description
    Template URL Displays the URL of the Druva deployment template used for your proxy deployment.
    Stack description The description of the Druva deployment template used.
    Stack name Displays the name generated by Phoenix for your stack.
  2. Enter the parameters and click Next. 
    Untitled3.png

    Field  Description
    Phoenix Configuration  parameters
    PhoenixActivationToken Displays the Phoenix activation token generated based on the selected AWS storage region on the Phoenix Management Console.
    InstanceCount Specify the number of proxy instances that you want to launch. You can specify up to 5 instances. The default value is 1.
    Network Configuration parameters
    VPC

    Select a Virtual Private Cloud (VPC) network specific to the AWS account to launch the Phoenix AWS proxies. For more information, see Supported AWS regions.

    Note: Ensure that the DNS hostnames option is enabled for the VPC. For more information, see AWS documentation

    Subnet Select a subnet to launch the Phoenix AWS proxies in the specific network in your VPC.
    Amazon EC2 Configuration parameters
    InstanceType

    Select the instance type for the Phoenix AWS proxy. For more information, see Supported AWS instance types.

    Note: It is recommended to select the instances based on the following configuration: 8 CPUs, 16 GB memory, 3500 Mbps bandwidth, 10,000 IOPS.

    KeyPair Select an EC2 key-pair to enable SSH access to the proxy instance.
  3. Optionally, update the stack options and click Next.

  4. Review the configurations and in the Capabilities section, select the check boxes acknowledging that AWS CloudFormation might create IAM resources with custom names and that AWS CloudFormation might require the following capability: CAPABILITY_AUTO_EXPAND.

  5. Click Create stack.

  6. Verify the status of stack creation on the Stacks page on the AWS Management Console. If the status is:

    • CREATE_COMPLETE: Phoenix lists the registered Phoenix AWS proxy on the Phoenix AWS Proxies tab on the Phoenix Management Console.

    • CREATE_FAILED:  Check the Events section on the Stacks page on the AWS Management Console for more details. You can also contact Druva Support. See Troubleshoot common scenarios.

  7. You can view the deployed AWS resources, such as EC2 instance IDs and security groups, on the Resources tab on the Stacks page.
    Untitled5.png
  8. The following VPC endpoints are deployed. These VPC endpoint services (AWS PrivateLink) are used for secure communication. 

    • S3 Endpoint: Used for log upload, job resume functionality, etc.

    • SQS Endpoint: Used for failover instances to communicate with the Phoenix AWS proxy.

    • EC2 Endpoint: Used for operations on EBS volumes and snapshots.

    • Cloud Formation Endpoint: Used for activation of Phoenix AWS proxy.

    • Custom Druva Endpoints:

      • Druva Backup Service Endpoint: Used for metadata transfer. 

      • Druva Node Service Endpoint:  Used for data transfer.

        Note : All the endpoints require a security group attached to it with inbound port 443 enabled.

        Untitled.png

  9. A new Route 53 hosted zone is added for the VPC.
    Untitled2.png

Step 3: View deployed proxy

After the registration completes successfully, the Phoenix AWS proxy appears on the Phoenix AWS Proxies page. From this page, you can also deploy additional Phoenix AWS proxies.

Note:  To  login to the AWS proxy use "centos"  as the username and use the key pair you provided while deploying the AWS proxy. 

DR_Phoenix_AWS_Proxies_tab.PNG

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