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Druva Documentation

Manage disaster recovery failover

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Overview 

For a deeper understanding of the failover process, see  About disaster recovery failover.

Phoenix AWS proxy creates a DR copy for the virtual machine and maintains it in the AWS account. At the time of the disaster, you can launch EC2 instance from the DR copy, in-turn spinning up to production in minutes.

Phoenix allows you to configure virtual machines for failover with settings specific to the two modes, Production Failover and Test Failover, respectively. Depending, upon the type selected during failover, you can use the corresponding settings to launch the EC2 instance.  

Phoenix allows you to configure failover settings specific to the DR plan as well as individual virtual machines in the DR plan. When you configure failover settings for a DR plan, the failover settings apply to all the virtual machines associated with the plan.

Before you begin

Before you configure VMs for failover ensure that:

To access failover settings

  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 DR Plans tab.
  5. From the DR plan drop-down list, select a DR plan. 
  6. In the left navigation bar, click Virtual Machines, and select the VMs.
  7. Click VM Failover settings.  

Failover settings

Configure the following options for failover:

Option Description
Instance Type

The type of EC2 instance Phoenix created after the VMware virtual machine is restored in the AWS account using the available DR copy. Select an instance type based on the virtual machine you are configuring for failover. Phoenix does not allow you to select smaller instances, such as t2.nano.

See,  Failover Limitations.

IAM Role

Select the required IAM identity role to allow the Phoenix AWS proxy access your AWS account.

For more information, refer to the AWS documentation.

Volume Type

Select the required type of the Amazon EBS volume that you want to attach to the EC2 instance. Select one of the following options:

  • Magnetic: These are standard volumes backed by the magnetic drives and used for workloads that are infrequently accessed. These volumes deliver approximately 100 IOPS on average.
    For more information, refer to the AWS documentation.
  • General Purpose SSD: These are cost-effective storages that are used for a broad range of workloads. These volumes deliver approximately between 100 to 16,000 IOPS on average.
    For more information, refer to the AWS documentation.
  • Provisioned IOPS SSD: These provisioned storages are used for I/O-intensive workloads such as database workloads. These volumes deliver approximately between 100 to 64,000 IOPS on average.
    For more information, refer to the AWS documentation.
    • IOPS: Enter the input/output operations per second capacity for the volume.  The IOPS box is displayed only if the Provisioned IOPS SSD option is selected as the volume type.

Note: Select the Provisioned IOPS SSD volume type only if the disk sizes are greater than 4 GB

Instance Tags (Key-Value)

Enter a label in the key-value format and assign it to your AWS EC2 resources to categorize the AWS resources in different ways. Keys should not be name or conversion_id as these are used by Druva.

For more information about tags, refer to the AWS documentation.

Launch failover

  1. Log in to the Phoenix Management Console.

Note: Log into the EC2 instance using your domain or local administrator credentials.

  1. On the menu bar, click All Organizations, and select the required organization from the drop-down list.
  2. Click Disaster Recovery
    The Disaster Recovery page is displayed.
  3. From the left navigation bar, you can select a DR plan from the Select DR plan dropdown list. 

  4. In the left navigation bar,  on the Overview tab, click Failover. 

  5. Click one of the following failover options to open the respective failover page:

    • Production Failover: To failover your actual VMware setup.
    • Test Failover: To test your failover setup.
      You must configure the test settings for the virtual machines to perform the test failover. For more information about how to configure settings, see Manage failover.
      Failover_options.JPG
      On the respective Production Failover or the Test Failover page, the recovery workflow lists the steps created for the failover operation. Each step lists the virtual machines associated with the DR Plan.
  6. Select the steps and virtual machines under each step to configure the order of virtual machines as shown in the following screenshot. Phoenix DRaaS uses this sequence to failover virtual machines during the production or the test failover operation. 
    Production_failover.JPG
  7. Click Failover.

The system displays the successful failover initiation message for the selected virtual machines. You can view the status of the failover request for the virtual machines on the Failover Instances tab. For more information about the various statuses of the failover, see View failover instances. 

Note: Restore Point Objective (RPO) estimate is available only for virtual machines with DR copies created using the Phoenix AWS proxy version 4.8.0 or later. 

Related articles

Manage failover instances