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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 = "10.1.0.180" #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.