# Periodic Replication Group Options for VMware Cloud Director

When you create a periodic replication group for a VMware Cloud Director destination (without using a VM group), you must identify source VMs, and then provide VMware Cloud Director-specific values for replication to the destination site.

## Select Production Site and Recovery Site Hypervisor Vendors

- Production site hypervisor vendor: Select the vendor for production site hypervisor.

- Recovery site hypervisor vendor: Select the vendor for recovery site hypervisor.

## Select Replication Type

Select Periodic replication to create new backups and replicate VMs to the recovery target hypervisor. The periodic replication method involves taking and cleaning up snapshots frequently on the source VM and requires less bandwidth.

## General

- Replication group name: Enter a name for the replication group.

- Production site hypervisor: Select the hypervisor for the source VMs. To create a new hypervisor, click Add.

## Content

Add VMs that you want to replicate and failover for recovery. Click Add, and then select the virtual machines from the VM group that you want to include in the replication group. You can automatically update and sync when VMs are added or removed from the VM group.

## Storage

- Primary copy: Select the primary copy for replication.

  To replicate a VM using a secondary copy, click Add copy. To add a secondary copy, beside Secondary copy, click the Add button , and then select the storage type.

- Select the copy for replication: Select the storage copy for replication.

## Recovery Options

- Target: Select a recovery target. To create a new recovery target, click the Add button .

- Recovery point objective (RPO)

  - Replication runs every: Enter how frequently you want to run a replication operation, such as once every 4 Hours or 2 Days.

  - Period: Select the time period for replication frequency.

- Recovery time objective (RTO)

  - Warm site replication: Select this option to create a destination VM only during a failover.

  - Hot site replication: Select this option to replicate data to the target after creation of replication group and deploy VMs during failover.

- Enable replication immediately after group creation: To disable replication (recovery) operations after the creation of this replication group, move this toggle key to the left.

## Pre and Post Scripts

To configure options for pre and post failover and failback scripts, in the script type row, click the Actions button .

Prerequisites

- VMware: VMware Tools/Open VM tools

Supported Scripts

- Windows: Batch Scripts

- Linux: VM Guest options

Options

- Pre-failover: This script is run on the production (source) VM before failover.

- Post-failover: This script is run on the auto recovery (destination) VM after failover.

- Pre-failback: This will run on the auto recovery (destination) VM before failback.

- Post-failback: This script is run on the production (source) VM after failback.

To add scripts, see Adding Customization Scripts for Individual VMs in a Replication Group.

### Script Options

To use sample scripts to validate VMs that run applications, see Application validation for VMware vSphere VMs.

- Path type: Select UNC or Local.

- Path: Enter a local (Windows/Linux) or a UNC Windows path.

- Credential: Select a saved set of credentials.

  To add a credential, click the Add button and specify credential details.

  Note

  For UNC network path, the script output is saved in the source location. Commvault does not automatically delete output files. If the output files are not necessary after script execution, you may delete them.

- VM Guest Options

  - Credential: Select a saved set of credentials created for the UNC network.

    To add a credential, click the Add button and specify credential details.

## Override Options

To change the destination settings for specific VMs, in the row for the VM , click the Actions button , and then select Override replication options.

### Override Replication Options

#### General Settings

- VM display name: Enter the display name for the destination VM.

- VM storage policy: Select the storage policy of the source VM.

- Owner: Select the user who owns the source VM.

#### IP Address Settings

IP address settings: To add IP address settings, click Add.

You cannot customize IP address settings for VMs with encrypted disks. If you configure custom IP address settings for a replication group that includes VMs with encrypted disks, failover operations fail for those VMs.

If a Windows or Linux source VM uses a static IP address, you can configure an IP address for the destination VM. You can configure IP address mapping for static IP addresses for source VMs that run the following operating systems:

- Windows 2000 and later versions

- Ubuntu 12.x, 14.x, 16.x

- SUSE Linux Enterprise Server 10.x, 11.x, 12.x

#### Network Settings

Network settings: To create mapping between a source network and a destination network, click Add. You can create multiple mappings between source NICs and destination NICs.

### Advanced Options

- Unconditionally overwrite if VM already exists: To make the first replication operation replace an existing VM with the same name in the target location, even if the destination VM is running, select this option.

  Replication operations for incremental updates are not affected by this setting. Incremental replication updates are applied to the destination VM without overwriting the VM. If the destination VM is currently running, the replication fails.

- Continue to next priority on failure: When a VM cannot be included in the replication operation, you can continue to next priority upon failure.

- Failover delay between different priority machines (in mins): Specify wait time for the replication of VMs that are assigned different priorities. This setting can be used to enable higher priority machines to start before processing the next set of machines.

## Summary

The summary section displays the settings that you configured for this replication group.

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