Use CloudEndure for disaster recovery of an on-premises database - AWS Prescriptive Guidance

Use CloudEndure for disaster recovery of an on-premises database

Created by Anuraag Deekonda (AWS)

Created by: AWS

Environment: PoC or pilot

Technologies: Modernization; Databases; Storage & backup


This pattern uses CloudEndure Disaster Recovery and the CloudEndure Failback Client for disaster recovery (DR). It sets up DR for an on-premises data center host, using an Amazon Elastic Compute Cloud (Amazon EC2) instance.

You must use the CloudEndure Failback Client for replicating from a non-cloud or other cloud infrastructure to the Amazon Web Services (AWS) Cloud. After your disaster event is over, you will want to fail back your machines. CloudEndure prepares you for failback by reversing the direction of data replication from the target machine back to the source machine. The CloudEndure User Console treats the currently launched target machines as source machines. Replication is reversed from your selected target machines back to your original source infrastructure.

Prerequisites and limitations


  • An active AWS account

  • An on-premises database


Source technology stack

  • A database in an on-premises data center

Target technology stack

  • A database on an EC2 instance (for a complete list of supported operating system versions, see Amazon EC2 FAQs)

Source and target network architecture

Data moves from on-premises data center to AWS staging area subnet and then to AWS target subnet


  • CloudEndure Disaster Recovery CloudEndure Disaster Recovery reduces downtime and data loss by providing fast, reliable recovery of physical, virtual, and cloud-based servers into AWS. CloudEndure Disaster Recovery continuously replicates your machines (including operating system, system state configuration, databases, applications, and files) into a low-cost staging area in your target AWS account and preferred Region. If there is a disaster, you can instruct CloudEndure Disaster Recovery to automatically launch thousands of machines in their fully provisioned state in minutes.


TaskDescriptionSkills required
Subscribe to CloudEndure Disaster Recovery.

CloudEndure Disaster Recovery is available in the AWS Marketplace.

General AWS
Create a CloudEndure account.

Register for CloudEndure and create an account. Then, in email, confirm the subscription.

General AWS
Set the account password and accept terms and conditions.

Passwords must be at least eight characters long and must contain at least one uppercase letter, one lowercase letter, one digit, and one special character.

General AWS
TaskDescriptionSkills required
Sign in to the CloudEndure User Console.

On the CloudEndure User Console, sign in with the credentials you created in the previous step.

CloudEndure administrator
Create a new project.

In the upper-left corner of the console, choose the plus (+) button to create a project. Select Disaster Recovery as the project type. You can acquire a license through AWS Marketplace.

CloudEndure administrator
TaskDescriptionSkills required
Create an IAM policy for the CloudEndure solution.

The AWS Identity and Access Management (IAM) policy that you must create for running CloudEndure solution is based on a predefined CloudEndure policy. This CloudEndure policy contains the necessary permissions for using AWS as your target infrastructure.

AWS systems administrator
Create a new IAM user and generate AWS credentials.

To generate the required AWS credentials for the CloudEndure User Console, create at least one IAM user and assign the CloudEndure permissions policy to this user. The console requires an access key ID and a secret access key.

AWS systems administrator
Set up the staging area account credentials.

Sign in to the CloudEndure User Console, and select your migration project.

On the Setup & Info tab, navigate to AWS credentials, and provide your AWS access key ID and secret access key ID.

AWS systems administrator
TaskDescriptionSkills required
Define the replication servers.

For more information, see the CloudEndure documentation.

CloudEndure administrator
TaskDescriptionSkills required
Locate your Agent installation token.

On the CloudEndure User Console, navigate to Machines, Machine Actions, Add Machines

When you run the installer file on a source machine, you are first asked to enter your installation token. The token is a unique string of characters that is automatically generated for you when your CloudEndure account is activated. You can use one installation token to install the Agent on as many source machines as your project allows.

CloudEndure administrator
On Linux machines, run the installer.

For Linux machines, copy the installer command, log in to your source machines, and run the installer.

For detailed instructions, see the CloudEndure documentation.

CloudEndure administrator
On Windows machines, run the installer.

For Windows machines, download the installer file to each machine, and then run the installer command.

For detailed instructions, see the CloudEndure documentation.

CloudEndure administrator
Replicate the data.

After the Agent is installed, CloudEndure starts to replicate the source machine starts to the staging area. When the initial sync is completed, the machine appears on the Machines tab on the CloudEndure User Console.

CloudEndure administrator
TaskDescriptionSkills required
Choose the source machine for the Blueprint.

On the CloudEndure User Console, on the Machines tab, choose the source machine to access the Machine Details pane.

CloudEndure administrator
Configure the Blueprint for the target machine.

On the Blueprint tab, configure the settings for your target machine based on your requirements. For detailed instructions, see the CloudEndure documentation.

CloudEndure administrator
TaskDescriptionSkills required
Use Test Mode to test the solution.

For detailed instructions on Test Mode and test cutover verification, see the CloudEndure documentation.

CloudEndure administrator
Test your target instance launched on the Amazon EC2 server.

To test each of your target machines, choose the machine's name. Then open the Target tab, copy the new IP address, and log in to the newly launched server on the Amazon EC2 instance.

CloudEndure administrator
TaskDescriptionSkills required
Verify source machine status.

On the CloudEndure User Console Machines page, verify that the source machine you want to fail over has the following status indications: 

  • Data Replication ProgressContinuous Data Protection 

  • Status – Rocket icon, which indicates that the target machine can be launched 

  • Disaster Recovery LifecycleTested Recently

CloudEndure administrator
Start the cutover.
  1. On the Machines page, choose your source machine.

  2. On the Launch Target Machines tab, choose Recovery Mode.

  3. Choose the recovery point for the target machine. The system will use the recovery point when launching the new target machines for the failover. You can use the latest recovery point or choose a previous recovery point from the list.

  4. Choose Continue with Launch.

CloudEndure administrator
Check the job progress and completion status.

The Job Progress window displays details for the target machine launch process.

After the failover is complete, the Disaster Recovery Lifecycle status on the CloudEndure User Console changes to Failed over to indicate successful completion.

CloudEndure administrator
TaskDescriptionSkills required
Review the CloudEndure Failback Client requirements.

Use the CloudEndure Failback Client for replicating from an on-premises or other cloud infrastructure to AWS. The CloudEndure Failback Client has the following requirements:

  • Machines must be configured to boot in BIOS mode, supporting MBR boot. Machines configured to boot in UEFI mode, supporting GPT boot only, are not supported.

  • The CloudEndure Failback Client requires at least 4 GB of dedicated RAM.

CloudEndure administrator
Prepare for failback.

Before you can initiate the Prepare for Failback action, all source machines must have launched target machines in either Test Mode or Recovery Mode.

On the Project Actions menu, choose Prepare for Failback, and then choose Continue. When Pair the CloudEndure Agent with the Failback Client is displayed, the machines are ready for failback.

CloudEndure administrator
Download the CloudEndure Failback Client in your on-premises environment.

To download the CloudEndure Failback Client into your source environment, do the following: 

  1. In your DR project, choose Setup & Info.

  2. On the Replication Settings page, choose the Learn about failing back to “Other Infrastructure” link.

  3. In the Failing Back to an Unidentified Cloud/Other Infrastructure dialog box, choose download from here.

The file will automatically be downloaded.

CloudEndure administrator
Initiate replication of the on-premises machine.

To initiate replication of source machine, the target machine must be booted into the CloudEndure Failback Client Image (failback_client.iso). If the client can't fetch the networking settings using the Dynamic Host Configuration Protocol (DHCP), enter the settings manually.

The CloudEndure Failback Client connects to over TCP port 443, and authenticates using the CloudEndure credentials that you are prompted to enter.

CloudEndure administrator
Follow the instructions to provide the necessary details.

Provide the following details:

  • Installation token 

  • Machine ID of the source machine 

  • Disk mapping between source and target

Make sure that the CloudEndure Failback Client has connectivity to the CloudEndure User Console and the target machine through public or private IP addresses.

CloudEndure administrator
Locate the source machine ID.

To locate the source machine ID, choose the machine name on the Machines tab, and copy the ID from the Source tab.

CloudEndure administrator
Connect the source machine to the target machine.

Provide the source machine ID (the server on AWS is now the source for the failback) in the on-premises server (target machine). The AWS machine (source) connects to the on-premises server (target) on TCP port 1500 to start the replication.

After the initial replication is complete, the CloudEndure User Console indicates that replication is in Continuous Data Protection mode.

CloudEndure administrator
Edit the failback settings, if necessary.

To edit the failback settings, choose the machine name, and then choose the Failback Settings tab.

CloudEndure administrator
Launch the target machine.

To launch the target machine, do the following:

Select the check box to the left of each machine name, and choose Launch x Target Machine, and then choose Recovery Mode.

In the dialog box, choose Next.

Choose the Latest recovery point, and then choose Continue with Launch

After the launch process is complete, the CloudEndure User Console displays the status Pair the CloudEndure Agent with the Replication Server under Data Replication Progress.

CloudEndure administrator
Return the machines to normal operation.

Now change the direction of data replication so that the on-premises machine is the source and the AWS machine is the target. Choose Project Actions, and then choose Return to Normal and Continue.

The direction of data replication is reversed, and the machines undergo the initial sync process. The failback process is complete when the Data Replication Progress column displays the Continuous Data Protection status for all machines.

CloudEndure administrator

Related resources

AWS Marketplace

CloudEndure documentation

Tutorials and videos