VMware Cloud Director Availability 4.6

4.7 4.6
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Activate the data engines for replicating workloads

As a
provider
, to replicate workloads between two sites, activate the supported data engines for starting new replications, depending on the source and the destination sites.
  • Verify that for activating the
    VMC
     data engine,
    VMware Cloud Director Availability
     4.2 or later is successfully deployed in the site, as earlier versions only support the
    Classic
     data engine.
  • Verify that all the required network ports are open in the firewalls. For information about the required open ports, see: VMware Ports and Protocols, or Deployment Requirements On-Premises and Network Requirements.
For information about the supported data engines, depending on the source and the destination site, see Replications use cases.
At a replication start,
VMware Cloud Director Availability
 checks whether the currently active data engines match between the source and the destination site:
  • If both data engines are activated in both sites, then the
    Classic
     data engine takes precedence.
  • If no available data engine matches between both sites, then the replication fails. In the following example diagram, only
    Classic
     data engine is active in the source site (Cloud site C) and only
    VMC
     is active in the destination site (Cloud site D) as is the only supported data engine for this site.
For example, in the following diagram the arrows indicate the replication direction and the used data engine:
Activated data engines for replications between supported sites
The available data engine between the sites depends on where each of the data engines is supported and active.
Already started replications remain operational regardless of the active data engines. Activating a data engine affects only the start of new replications.
Deactivating a data engine that is used for replications which are already started, has no effect on them.
  1. Log in to the management interface of the
    Cloud Director Replication Management Appliance
    .
    1. In a Web browser, go to
      https://
      Cloud-Director-Replication-Management-Appliance-IP-Address
      /ui/admin
      .
    2. Select
      Appliance login
       and enter the
      root
       user password.
    3. Click
      Login
      .
  2. In the left pane under
    Configuration
    , click
    Settings
    .
  3. Under
    Site settings
    , next to
    Data engine
     click
    Edit
    .
    1. In the
      Data engine
       window, activate one or both data engines for replications:
      • Classic
         - supports both migrations and protections.
      • VMC
         - supports only migrations.
    2. Click
      Apply
      .
    The activated data engine in this site becomes available for handling new replications.
Once activated in both sites, you can create new replications that use this data engine between the two sites.

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