Hyper-V 3.0 --- Deploy Replica with self-signed certificate (part 10)

Although it is simple and easy to configure Hyper-V Replica that join AD domain, it still exist risk as the data transfer is unencrypt or have not flexibility as the network traffic cannot be in the dedicated line. For improve this, we can replace Kerberos authentication with Certificate based authentication. To continue the previous article, I will introduce “Step by Step” to you when we have already apply for the self-signed certificate.

Add a record into hosts fileOn Primary Node
Due to this computer never join AD, we have to modify the hosts file to map hostname to IP address and its value will be the Replica Server information. Of course, it is another method to add this record into DNS server.The “AS-IS” of the name resolutionThe “TO-BE” of the name resolutionOn Replica Node
To do the same activity “map hostname to IP address in hosts file” for name resolution
Enable & Configure Replica on Replica NodeIn Hyper-V Manager, select Replica node as “VW-HYPERV-05” next to click Hyper-V Settings… linkIn Hyper-V Settings, select Replication Configuration Enabled as a Replica server and click Enable this computer as a Replica server check box. In Authentication and ports combo box, enable Use certificate-based Authentication (HTTPS) check box next to click Select Certificate… buttonIn Windows Security dialog, select one certificate to be used for the authentication next to click OK button.So does that this certificate information will show up in Specify the certificate field.
In Authorization and storage combo box, we will choose Allow replication from the specified servers option next to click Add… button.In Add Authorization Entry dialog, write down the primary server, the default location to store replica files, and the trust group next to click OK button.If the setting is right about Allow replication from the specified servers, click OK button to close this procedure.Suddenly, the alert message will show up and tell us to confirm whether inbound TCP 443 port traffic is allowed in the firewall rule. If no any question, click OK button to complete the Replica setting.
Enable VM Replication on Primary NodeIn Hyper-V Manager, right-click one VM next to select Enable Replication… in menu to launch the Enable Replication wizard.In Before You Begin dialog, click Next > buttonIn Specify Replica Server dialog, write down Replica server name as “vw-hyperv-05.xxx.mooo.com” next to click Next > button In Specify Connection Parameters dialog, click Select Certificate… buttonIn Windows Security dialog, select one certificate to be used for authentication next to click OK buttonSo does that the imported certificate will show up. If no any question,click Next > button to go ahead.In Choose Replication VHDs dialog, select some virtual Hard Disks that want to be replicated and click Next > buttonIn Configure Recovery History dialog, select Additional recovery points option, specify Number of additional recovery points to be stored, enable Replicate incremental VSS copy every check box, and change the frequency to take Volume shadow Copy Service (VSS) incremental snapshots. If the correction is right, click Next > button to go ahead.In Choose Initial Replication Method dialog, click Next > button if the default choice can be accepted.Click Finish button to complete the Enable Replication wizardThe initial replication will begin to trigger from Primary to Replica server.and the data delivery will go through the dedicated replication path until the replication finish.
On Primary Node
On Replica Node
Test Failover on Replica Node
For confirming the replicated VM function on Replica server as it locate on the Primary server, we have to execute a test failover before the system will be online or in the duration of maintenance.
In Hyper-V Manager of Replica server, right-click the VM that want to do “test failover” next to select Replication and Test Failover… linkIn Test Failover dialog, choose a recovery point next to click Test Failover buttonSo does that a VM with the name as “VW-CENTOS-01 - Test” will be created. To right-click this VM and select Start in menu.The temporary VM will be online and it doesn’t interrupt the ongoing replication & production VM on Primary node.But it have one drawback --- this test VM doesn’t connect to any network by default so that we have to modify the network setting by ourselves.

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