Starting continuous mirroring

Continuous mirroring replicates changes to the target on a continuous basis. Use this type of mirroring when business requirements dictate that you need replication to be running continuously and you do not have a clearly defined reason to end replication at the present time.

About this task

Continuous mirroring is appropriate when your business processes require the source and target to be synchronized at all times. Continuous mirroring is also useful if your environment experiences frequent changes to large volumes of data. Instead of capturing these changes using a batch transfer, you can replicate changes to the target on a continuous basis.

Procedure

  1. Ensure that the subscription has at least one table mapping with replication method set to Mirror. You can set the replication method in the Configuration perspective and also when you map tables in the Map Tables wizard.
  2. Click Monitoring > Subscriptions.
  3. If the subscription is available for editing, right-click one or more subscriptions and select Start Mirroring.

    Refresh Details is displayed if you have one or more tables flagged for refresh and allows you to view the refresh configuration of these tables. Continuous mirroring will not start until the refresh of these tables is complete.

  4. Select Continuous and click OK to start mirroring.

    Mirroring will continue until you end replication.