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The Failover Cluster will host a SQL Server failover clustered instance (FCI) on Azure virtual machines, which makes the setup 99.9% available since it is located in a cloud. This allows you to create a virtual infrastructure which is resilient to server failures.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.This section describes how to create an Azure storage account to store all the virtual machines created and the storage volume attached to them: 6. This section describes how to create Azure virtual machines via GUI interface. The Windows Server Failover Cluster will stop and start the service. In the Database Engine Configuration dialog box, select the appropriate Authentication Mode in the Server Authentication tab. This concludes adding a node to a SQL Server 2017 Failover Cluster.A SQL Server failover clustered instance is a configuration where all of the nodes of the cluster are connected to the same shared storage. In the Summary dialog box, verify that the nodes are validated and all the tests are passed successfully.However, when deployed on an Azure virtual machine, the Windows Server Failover Cluster (WSFC) must use Azure-hosted storage with one of the following options, as per Microsoft KB 2721672: The Azure-hosted storage used for building a WSFC will leverage Star Wind Virtual SAN for the implementation of a volume-level replication. On the next screen, the synchronization and heartbeat channels for the HA device can be selected and the ALUA settings modified. Click Change network settings and specify the interfaces for synchronization and Heartbeat. Click Finish to create the Windows Server Failover Cluster.This guide is intended for experienced Windows system administrators, IT professionals, and SQL Server database administrators who would like to install and configure a 2-node Windows Server 2016 Failover Cluster that will host a SQL Server failover clustered instance (FCI) on Azure virtual machines. NOTE: It is recommended configuring Heartbeat and i SCSI channels on the same interfaces to avoid the split-brain issue. The added devices will appear in the Star Wind Management Console. Type in the IP address of the partner node you will use to connect to the HA i SCSI devices. Select Microsoft ISCSI Initiator as your Local adapter. In the Completing the New Simple Volume Wizard dialog box, review the settings and click Finish. Repeat the steps above on all of the i SCSI disks that should be configured as part of the cluster. Repeat the steps described in this section on SQLNODE2. This section describes how to run the Failover Cluster Validation Wizard from the Failover Cluster Management console. NOTE: The Cluster Validation Wizard may report Warning messages pertaining to storage.A proper network architecture design is a key to successfully implementing a SQL Server failover clustered instance on Azure. Complete the network selection for Replication and click Next. Select the partner device initialization mode as Synchronize from existing Device and click Next. In this section, the i SCSI storage will be connected to the servers added to the cluster. For this example, the IP address of SQLNODE2 is 10.1.1.202. Select the Initiator IP in the same subnet as the IP address from the previous step. Select Microsoft i SCSI Initiator in the Local adapter dropdown menu. NOTE: In case the Failover Only MPIO policy is used, be sure to check that the local path (127.0.0.1) is set to Active, while the partner connection is set to Standby. To launch the tool, navigate to the Server Manager dashboard, click Tools, and select Failover Cluster Manager. In the Failover Cluster Management console, under the Management section, click the Validate Configuration option. In the Testing Options dialog box, click Next to run all the necessary tests to validate the configuration. These warnings can be ignored since the replicated storage is used instead of shared disks.
NET Framework 3.5 (in preparation for installing SQL Server) Install-Windows Feature -Name Failover-Clustering -Include Management Tools Install-Windows Feature –Name NET-Framework-Core Enable-Windows Optional Feature –Online –Feature Name Multi Path IO #Assign IP address of DNS server on the v NIC assigned on the Production subnet, not the Heartbeat_i SCSI subnet #Identify the interface index of the v NIC assigned on the Production subnet $interface Index=(Get-Net Ip Address | Where ). In the Select Components dialog box, verify that Star Wind Virtual SAN Server is selected in the drop-down list and click Next. In the Select Start Menu Folder dialog box, verify the location of the shortcut to launch Star Wind Virtual SAN. NOTE: These steps can be performed on any of the servers that will act as WSFC nodes. Use the example Power Shell script below to create the Azure internal load balancer. # Define variables $cluster Network Name = "Cluster Network 1" #the cluster network name for the SQL Server FCI #use Get-Cluster Network or Failover Cluster Manager to find the appropriate name $IPResource Name = “SQL IP Address 1 (SQLCLUSAZURE)" #the IP Address resource name of the SQL Server FCI #use Get-clusterresource | where for Failover Cluster Manager to find the appropriate name $ILBStatic IP = “10.1.0.180” #the IP Address of the Azure internal load balancer #Update the WSFC resource parameters of SQL Server FCI IP address to work with the Azure internal load balancer Get-Cluster Resource $IPResource Name | Set-Cluster Parameter -Multiple @ #Take the cluster resource offline and the cluster resource group back online for the changes to take effect Stop-Cluster Resource "SQL IP Address 1 (SQLCLUSAZURE)" Start-Cluster Group "SQL Server (MSSQLSERVER)" This section describes how to test application connectivity for SQL Server 2017 failover clustered instance running on Microsoft Azure.
To install Star Wind Virtual SAN, run the setup file on SQLNODE1. In the License Agreement dialog box, select I accept the agreement and click Next. In the example below, the virtual machine named swtestone2 is on the sqlfailover.westeurope.cloudapp.cloud service.
However, it is using the Production subnet of the Public-Azure-East Azure VNet, configured with an internal IP address of 10.1.0.211 and uses AD-DC1 as the internal DNS server.
Once the Active Directory domain controller is available, the WSFC nodes can be configured. You will be prompted to download a Remote Desktop connection file. Login to the virtual machine using the credentials that you used when creating VMs. Run the Power Shell script below to perform the tasks listed in the high-level overview. This section describes how to update the SQL Server Failover Clustered Instance virtual network name and assign the IP address of the Azure internal load balancer together with the probe port number.
A high-level overview of the following tasks is listed below. Log in to the Azure Management portal using your credentials. Click the Virtual Machines link and select SQLNODE1. Provide the domain administrator credentials that you used when creating the Active Directory domain controller. The virtual machine will reboot as part of the configuration. In the License Key dialog box, provide the appropriate license key. The cluster resource group will be turned offline and back up online for the changes to take effect.
In this section, Azure cloud-only virtual network with two subnets will be created – one for regular network traffic and another for cluster heartbeat and storage volume replication: 1. In the new window, type “public IP address” and select it from the drop-down list. As a best practice, rename all the clustered storage and networks for ease of identification during the installation of the SQL Server failover cluster instance. In the Cluster Core Resources section, select the remaining virtual IP address of the WSFC virtual host name/client access point. Right-click the IP address and select Properties 114.