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Configuring it as a DNS server for the Active Directory domain, limits the DNS name resolution. Parameters used in the example are commented on how they are used. $cloud Svc Name = "SQLFailover-poc"#the name of the cloud service that contains the VM nodes in the WSFC $ILBName = "AZURE-ILB" #name for the new Azure internal load balancer that we will create $subnet Name = "Production" #name of the subnet that the VMs use in the Azure VNet for production traffic $ILBStatic IP = "" #static IP address for the Azure internal load balancer in the subnet could be the same as the SQL Server FCI virtual IP address #Add Azure internal load balancer Add-Azure Internal Load Balancer -Internal Load Balancer Name $ILBName -Subnet Name $subnet Name -service Name $cloud Svc Name -Static VNet IPAddress $ILBStatic IP #Configure the load balanced endpoint for each node using Azure internal load balancer $VMNodes = "SQLNODE1", “SQLNODE2"#hostnames of VM nodes in the WSFC, separated by commas $endpoint Name = "SQLCLUSAZURE" #name of the endpoint for the SQL Server FCI, ideally same as the SQL Server FCI $endpoint Port = "1433" #port number to use for the endpoint for SQL Server FCI $endpoint Name_LB = "AZUREILBEP" #name of a Azure internal load balancer endpoint #(this is different from the name of the Azure internal load balancer) #Add Azure internal load balancer endpoint with port 1433 and probe port 59999 to each node.

This section describes how to configure the Windows Server Failover Cluster (WSFC) nodes. #The probe port is a random port number that the Azure internal load balancer uses to ensure that the members of the #load-balanced set are available #Configure a load balanced endpoint for each node in the SQL Server FCI, with direct server return enabled for Each ($node in $VMNodes) NOTE: The endpoint port number of the Azure internal load balancer (1433), the probe port number (59999), and port number 1434 (used by the SQL Browser service) should be opened on the Windows Firewall of both the WSFC nodes.

There are at least two virtual network adapters (v NICs) for the WSFC nodes – one for production traffic and one for cluster heartbeat and storage volume replication. You can launch the tool from the Server Manager dashboard, by selecting Tools and choosing i SCSI Initiator. Note that SQLNODE2 should also be connected to both i SCSI Targets via the following target portals. Select Microsoft i SCSI Initiator in the Local adapter dropdown menu. Select the target located on the local server and click Devices. NOTE: Going through the disk initialization process is a great way to validate whether or not the storage replication process works as per vendor specification. To launch the tool, navigate to the Server Manager dashboard, click Tools, and select Failover Cluster Manager. In the Select Servers dialog box, enter the hostnames of the nodes to be added as members of the cluster. The WSFC will use a DHCP-assigned IP address for the virtual hostname since both SQLNODE1 and SQLNODE2 use DHCP-requested IP addresses, not statically assigned. NOTE: The virtual IP address of the WSFC virtual hostname/client access point should be configured.

It is recommended to have more than two (2) v NICs to achieve quality of service (Qo S) and fault tolerance for both the cluster and storage replication. Also, make sure that the Windows Firewall is configured to allow i SCSI traffic on both SQLNODE1 and SQLNODE2. This section describes how to connect the servers to the i SCSI targets and configure multipathing: NOTE: The steps below are performed initially on SQLNODE1. In the i SCSI Initiator Properties window, select the Targets tab. Disk configuration changes made on one of the cluster nodes should be replicated over to the other nodes within the cluster. Alternatively, the Create Cluster Wizard will start automatically after the Failover Cluster Validation Wizard runs the first time. Under the Management section, click the Create a Cluster link. Since the configuration used in this guide has two (2) v NICs, the cluster will assign a virtual IP address for both of them.

Billing for Azure Storage usage is based on the storage capacity, replication scheme, storage transactions, and data flow. Click the Create Storage Account tab to create the Azure storage account. NOTE: These steps can be performed on any of the servers that will act as WSFC nodes. Make sure that both the SQL Server Agent and SQL Server Database Engine services have a Startup Type of Manual. In the Ready to Add Node dialog box, verify that all configurations are correct and click Install. Once the installation finishes, in the Complete dialog box, click Close.

Login to the Azure Management portal using your credentials 2. On next window, click create, configure the appropriate settings and click create once again as shown below. This section describes how to fix the Windows Server Failover Cluster virtual host name/client access point. In the IP Address: Properties dialog box: Click Next. In the Cluster Resource Group dialog box, check the resources available on the Windows Server Failover Cluster. In the Cluster Network Configuration dialog box, enter the virtual IP address that the SQL Server 2017 failover clustered instance will use.All the Azure virtual machines will use the latest Windows Server 2016 image available. On the Configure optional features tab, verify that everything is correct and click OK. In the Summary tab, tick the checkbox for “terms of use” and click Create. When the deployment is finished, Stop the Virtual Machine. Once it’s stopped, select the Networking tab and click Attach network interface. Select the second network, click OK, and wait for attachment to finish. Start the Virtual Machine, click Connect, logon using the credentials you provided earlier, and check if two NICs have been added. Perform the same steps for the other Virtual Machines. Click the Check icon to create the Azure-hosted data disk and attach it to the virtual machine. For WSFC in Microsoft Azure, it is recommended to store the tempdb database on a local drive instead of the replicated storage. Once the installation finishes, in the Complete dialog box, click Close. In the Add Node Rules dialog box, validate that the checks return successful results. In the Cluster Node Configuration dialog box, validate that the information for the existing SQL Server 2017 failover clustered instance is correct. An Azure internal load balancer consists of the Azure cloud service IP address and a port number that the client applications will be connected to.While the IP addresses appear to be statically assigned, they are DHCP-requested from the Azure VNet subnet. Once the Azure virtual machines have been created, add the Azure-hosted data disks that will be used to store the Star Wind virtual disks. Repeat the process to add an Azure-hosted data disk to the SQLNODE2 virtual machine. This will prompt you to download a Remote Desktop connection file. Login to the virtual machine and run the Power Shell script below to install and configure an Active Directory domain controller. Define the caching policy and specify the cache size if necessary. Define the Flash Cache Parameters and size if necessary. Make sure that all of the nodes in the cluster contain the same directory structure and that the SQL Server service account has read/write permissions to the folders. In the Feature Configuration Rules dialog box, click Next. In the Ready to Install dialog box, verify that all configurations are correct. This section describes how to add a node to the SQL Server 2017 failover clustered default instance on a Windows Server Failover Cluster. If the checks returned a few warnings, make sure to fix them before proceeding with the installation. The following tasks will be performed using Windows Power Shell with the Azure Power Shell modules.An Azure Virtual Network (VNet) allows provisioning and managing virtual private networks (VPNs) in Azure and linking the VPNs with your on-premises network. If you have configured a different port, please, type it in the Port number field. This makes one of the virtual machines inaccessible via Remote Desktop or any other services running on it like Star Wind Virtual SAN.This also allows network administrators to create solutions and control network topology, including configuration of DNS and IP address ranges. In the Virtual Network Details page, enter the following information: Click the OK button. To create Public IP Address, click the Create a resource tab. Therefore, an unused IP address should be assigned to the WSFC client access point to resolve this conflict.

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