HP StorageWorks Storage Mirroring Recover User's Guide (T5437-96008, November 2009)

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8. If you want to modify DNS configuration options, click Configure. The Configure
DNS Failover window will appear.
9. On the Configure DNS window, you can modify the TTL value for the DNS record.
You can also specify the user credentials needed to modify DNS. When you are
finished, you can click Test to test the DNS configuration for the selected DNS
server(s), or click OK to return to the Configure Protection window.
Note:
Decreasing the TTL value will increase the speed at which clients get the
updated information.
If the server that the Application Manager is running on has a problem
connecting to the DNS server through WMI, the TTL record will not be
updated. This will cause the Application Manager to return an error that the
RPC server is unavailable
10. After you have changed the configuration parameters, click OK to apply the
settings and return to the Manage Exchange window. If you click Cancel, any
changes you have made will be discarded and the previous configuration
parameters will be used.
11. Click Validate to validate the selected cluster pair. The validation proceeds exactly
like validation for other methods of failover.
12. Click Enable Protection to enable protection for the source cluster.
Next step: Enable protection