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Replication Group Options for Amazon

When you configure a replication group for an Amazon destination, identify source VMs or instances, and then provide Amazon-specific values for replication to the destination site.

You can replicate to Amazon from Amazon streaming backups or VMware streaming backups.

Considerations

  • Virtual machines must have been backed up at least once to be added to a replication group.
  • For replication from VMware to Amazon, when replication uses an Amazon instance as the VSA proxy, you must provide guest instance credentials for each guest instance on the Override options page for the replication group, including the domain or computer name, username, and password.
  • For cross-hypervisor restores or live sync replication from VMware to Amazon, you can use a VSA proxy that runs on Windows or Linux. If you use a VSA proxy that runs on Linux, for both Windows and Linux guest VMs, the drivers must be installed on the source before performing the backup.
  • For replication from an Amazon source site to an Amazon destination site, you must use a VSA proxy (access node) that is deployed as an Amazon instance.
  • Each replication job from Amazon to Amazon recreates destination instances completely, even when the replication job is for an incremental backup of a source instance.
  • To configure replication from one AWS region (source) to a different AWS region (destination), perform the following tasks:
    1. Configure a cloud storage location in the target AWS region.
    2. Create a server backup plan that creates a secondary copy of backup data and writes it to the cloud storage location in the target AWS region.

      When you configure the plan to create a secondary copy, Commvault automatically creates an Aux Copy schedule that runs every 30 minutes to copy data from the primary backup to the secondary copy.

    3. Create a VM group that identifies the source instances to replicate, and assign the server backup plan to the VM group.
    4. Create a recovery target that identifies the Amazon hypervisor for the destination region.
    5. Configure a replication group that identifies the source VMs. For the replication group, under Target Options>Advanced Options, use Select copy to identify the secondary copy that is defined in the server backup plan as the source for replication.
    6. Make sure that a MediaAgent is deployed as an AWS instance in the target AWS region.

      You can install the MediaAgent package on an access node in the destination region and specify that access node for the replication group.

Content Options

  • Hypervisors: Select the hypervisor for the source VMs.

    When you edit an existing replication group, you cannot change this value.

  • Name: Enter a descriptive name for the replication group, or change the name.
  • Select VM group: Select an existing VM group, or select Create new VM group to add specific VMs and create a new VM group.

    When you edit an existing replication group, you cannot change this value.

  • Select VMs: Select specific virtual machines to be replicated and click OK.

    You can select VMs from the specified VM group.

  • Plan: When you choose to create a new VM group, select a previously defined server plan for the group.

Target Options

  • Recovery target: Select a previously defined recovery target or click Create new to create a new recovery target.

    When you edit an existing replication group, you cannot change this value.

  • Access Node: Select a VSA proxy that can be used to perform the replication operation.

    When replicating from Amazon to a different Amazon region, select an access node in the destination region.

Advanced Options

  • Validate destination VM (Power ON and OFF): Select this option to verify that the destination VM is bootable by powering it on and then powering off. Changes resulting from the power on are not preserved. If guest tools are not installed on the source VM, validation is skipped even when this option is selected.

    If validation fails, the destination virtual machine reverts back to its last valid (bootable) state.

  • Unconditionally overwrite if it already exists: When you select this option, the first replication operation replaces an existing instance with the same name in the target location, even if the destination instance is running.

    Replication operations from incremental backups are not affected by this setting. Subsequent incremental backups and replication updates are applied to the destination instance without overwriting the instance. If the destination instance is currently running, the replication operation fails.

  • Select copy: Select the backup copy that should be used as source for the replication operation.

Override Options

To change the destination settings for specific VMs, select the VMs from the Virtual machine list. You can enter the following information:

  • Instance name: Enter the display name for the destination instance, or enter a prefix or suffix to apply to multiple instances.

    You can only change this value when adding a new instance.

  • Availability zone: Select the destination zone.

    You can only change this value when adding a new instance.

  • Network: Select a network interface for the destination instances.

    You can only change this value when adding a new instance.

  • Auto select security group: To specify a specific security group, clear this selection and, from the Security groups list, select a security group for the destination instances.

    You can only change this value when adding a new instance.

  • Auto select instance type: To specify a specific instance type, clear this selection and from the Instance type list, select an instance type that provides the available CPU cores and memory for the instance.

    You can only change this value when adding a new instance.

  • Specify guest credentials (only used for replication from VMware): Select this option to enable required drivers to be installed on the Amazon guest instance, and then provide values for the Domain / Computer name, Username, and Password boxes.

    Note: When replication uses an Amazon instance as the VSA proxy, you must provide guest instance credentials for each guest instance.

Related Topics

Last modified: 10/28/2020 7:29:54 PM