Storage Foundation and High Availability Solutions 7.4.2 Solutions Guide - Windows

To configure Hitachi TrueCopy replication and GCO

1. Verify that you have brought the application server service group online at the primary site.
2. If the wizard is still open after the service group cloning task, continue with the Replication Setup panel.

   Otherwise, launch the wizard and proceed to the Replication Setup panel by following these steps sequentially:

   • Start the Solutions Configuration Center from the Apps menu on the Start screen.

     Expand the Solutions for Solutions for Additional Applications tab.

     Click Disaster Recovery Configuration > Configure Disaster Recovery > Disaster Recovery Configuration Wizard.

3. In the Welcome panel, click Next and continue through the wizard, providing the requested information.
4. In the Replication Methods panel, click Configure Hitachi TrueCopy and the Global Cluster Option (GCO). Click Next and continue to the Replication Setup panel.
5. In the Replication Setup panel, review the replication requirements. If you have met the requirements, click Next.

   Warning:

   Although you can continue with the wizard even if replication requirements are not met, the wizard will warn you that the configuration is not valid. If the configuration is not valid, the HTC resource cannot come online in the service group.

6. In the HTC Resource Configuration panel, the wizard populates the required resource fields if the horcm file is configured properly. If not, you can configure the horcm file and click Refresh to populate the fields. Alternatively, enter the required resource settings manually:

   Instance ID	Specify the instance number of the device group. Multiple device groups may have the same instance number.
   Device Group name	Specify the name of the Hitachi device group that contains the disk group for the selected instance. The device group name must be the same on both the primary and secondary sites.
   Available VMDG Resources	Select the disk groups associated with the selected application instance.
   Add, Remove, Reset buttons	Click Add or Remove to display empty fields so that you can manually add or remove additional resources. Click Refresh to repopulate all fields from the current horcm file.

7. If you want to configure an additional HTC resource for the instance, click Add. Otherwise, click Next.
8. In the Global Cluster Settings panel, specify the heartbeat information for the wide-area connector resource. You must specify this information for the primary and the secondary cluster. Any existing WAC resource information can be reused. If you are adding a DR site to an existing DR configuration, GCO is already configured at the primary site, so the primary site fields are dimmed.

   Use existing settings	Allows you to use a WAC resource that already exists at either the primary or secondary site; click Primary or Secondary, depending on the site at which the WAC resource already exists.
   Resource Name	Select the existing WAC resource name from the resource name list box.
   Create new settings	Select the appropriate site, primary or secondary, for which you want to create a new WAC resource.
   IP Address	Enter a virtual IP for the WAC resource.
   Subnet Mask	Enter the subnet mask for the system at the primary site and the secondary site.
   Public NIC	Select the public NIC for each system from the drop-down list for the system at the primary and secondary site.
   Start GCO after configuration	Select this check box to bring the cluster service group online and start GCO automatically after the wizard completes the necessary configurations. Otherwise, you must bring the service group online and start GCO manually, after the wizard completes. Once GCO is configured and running, deselecting the checkbox does not stop GCO.

9. In the Settings Summary panel, review the displayed information.

   If you want to change any of the parameters specified for the replication resource settings or the global cluster settings, click Back.

   Otherwise, click Next.

10. In the Implementation panel, wait until the wizard completes creating the replication configuration and the WAC resource required for global clustering. A check symbol indicates successful completion of a task. An (x) symbol indicates a task that could not be completed successfully. The Information column shows details about the reasons for task failure. Click Next.
11. In the Finish panel, review the displayed information. If a task did not complete successfully, the panel displays an error message, which will provide some insight into the cause for failure. Click Finish to exit the wizard.
12. Proceed with configuring additional optional settings for the HTC resource if desired, and then verifying the disaster recovery configuration.