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tion ingress action allow rules tcp 1433 enable logging source ranges subnet_cidr target tags wsfc node network vpc_name priority 10000 note depending on how you ve deployed the active directory you might need to create additional firewall rules to allow servers to join the domain for more information see accessing managed microsoft ad from within your vpc create vm instances create and deploy two vm instances for the failover cluster at any point in time one of these vms hosts the primary replica of the sql server database while the other node hosts the secondary replica the two vm instances must be located in the same region so that they can be accessed by an internal passthrough network load balancer have windows server failover cluster and sql server installed have compute engine wsfc support enabled you use a sql server premium image which has sql server 2022 preinstalled note if you plan to bring your own licenses for sql server by using the license mobility program select windows server base images for these nodes and install sql server using your own product keys to provide a tie breaking vote and achieve a quorum for the failover scenario deploy a third vm that serves as a file share witness using the following steps return to your existing cloud shell session create a specialized script for the wsfc nodes this script installs the necessary windows features and creates firewall rules for wsfc and sql server cat specialize node ps1 erroractionpreference stop install required windows features install windowsfeature failover clustering includemanagementtools install windowsfeature rsat ad powershell open firewall for wsfc netsh advfirewall firewall add rule name allow wsfc health check dir in action allow protocol tcp localport 59998 open firewall for sql server netsh advfirewall firewall add rule name allow sql server dir in action allow protocol tcp localport 1433 open firewall for sql server replication netsh advfirewall firewall add rule name allow sql server replication dir in action allow protocol tcp localport 5022 format data disk get disk where partitionstyle eq raw initialize disk partitionstyle mbr passthru new partition assigndriveletter usemaximumsize format volume filesystem ntfs newfilesystemlabel data confirm false create data and log folders for sql server md d data md d logs eof create the vm instances on the two cluster nodes attach a data disk and set the enable wsfc metadata key to true this action enables windows server failover clustering and configures a local listener on the default port 59998 region gcloud config get value compute region zone1 zone1 zone2 zone2 zone3 zone3 pd_size 200 machine_type n2 standard 8 gcloud compute instances create node 1 zone zone1 machine type machine_type subnet subnet_name image family sql ent 2022 win 2022 image project windows sql cloud tags wsfc wsfc node boot disk size 50 boot disk type pd ssd boot disk device name node 1 create disk name node 1 datadisk size pd_size type pd ssd auto delete no metadata enable wsfc true metadata from file sysprep specialize script ps1 specialize node ps1 gcloud compute instances create node 2 zone zone2 machine type machine_type subnet subnet_name image family sql ent 2022 win 2022 image project windows sql cloud tags wsfc wsfc node boot disk size 50 boot disk type pd ssd boot disk device name node 2 create disk name node 2 datadisk size pd_size type pd ssd auto delete no metadata enable wsfc true metadata from file sysprep specialize script ps1 specialize node ps1 gcloud compute instances create witness zone zone3 machine type e2 medium subnet subnet_name image family windows 2022 image project windows cloud tags wsfc boot disk size 50 boot disk type pd ssd metadata sysprep specialize script ps1 add windowsfeature fs fileserver replace zone1 zone2 zone3 based on the zones you are using note depending on your performance requirements consider using a machine type larger than n2 standard 8 for the wsfc nodes consider disabling simultaneous multithreading smt for potential savings on licensing costs note for the purpose of this tutorial and to fit within the default regional ssd persistent disk quota the size of the disks attached to each vm is smaller than it would be in a production environment for better performance and to accommodate a larger database increase the size of each disk to join the three vm instances to active directory do the following for each of the three vm instances monitor the initialization process of the vm by viewing its serial port output gcloud compute instances tail serial port output name replace name with the name of the vm instance wait for a few minutes until you see the output instance setup finished then press ctrl c at this point the vm instance is ready to be used create a username and password for the vm instance connect to the vm by using remote desktop and sign in using the username and password created in the previous step right click the start button or press win x and click windows powershell admin note in this guide we used powershell 5 1 confirm the elevation prompt by clicking yes join the computer to your active directory domain and restart add computer domain domain restart replace domain with the dns name of your active directory domain enter the credentials of an account that has permissions to join a vm to the domain wait for the vm to restart you have now joined the vm instance to the active directory reserve static ip addresses you now reserve two static ip addresses in your vpc one ip address is used as the default wsfc cluster ip address the other serves as the static ip for the sql server availability group listener in a wsfc cluster the cluster ip address primarily serves administrative purposes and accessing cluster resources this virtual ip address is assigned to the cluster itself enabling administrators to manage the cluster and perform tasks such as configuring cluster settings monitoring the health of nodes and managing failover processes in the context of sql server availability group a listener is a virtual network name vnn and ip address that allows clients to connect to the availability group without needing to know which specific server is the primary node an internal load balancer needs an internal ip address to efficiently route internal traffic and support high availability and load balancing in the context of a wsfc cluster the internal load balancer ensures that requests are always directed to the current primary replica of the cluster during failover events the load balancer detects changes in the primary replica and redirects client connections to the new primary without requiring manual intervention minimizing downtime and ensuring continuous availability of the database services in the context of a wsfc with sql server always on availability groups both reserved internal static ip addresses for the default wsfc cluster ip address and the availability group listener are also used by associated internal load balancers to reserve two static ip addresses in your vpc use the following steps gcloud compute addresses create wsfc cluster ip subnet subnet_name region gcloud config get value compute region cluster_ip gcloud compute addresses describe wsfc cluster ip region gcloud config get value compute region format value address echo cluster ip cluster_ip replace the cluster ip address in the cluster_ip variable you need it later to specify it as the cluster ip cluster_ip cluster_ip reserve another static ip for the availability group listener and capture the address in a new environment variable named listener_ip gcloud compute addresses create wsfc listener ip subnet subnet_name region gcloud config get value compute region listener_ip gcloud compute addresses describe wsfc listener ip region gcloud config get value compute region format value address echo listener ip listener_ip note make sure that the ip address is in the same region as your sql server cluster replace the load balancer s reserved ip address as the listener_ip variable you need it later to configure your availability group listener_ip listener_ip your project and vpc are now ready for the deployment of the windows server failover cluster and sql server deploying the failover cluster you can now use the vm instances to deploy a windows server failover cluster and sql server the following sections discuss how you can do this in detail preparing sql server create a new user account in active directory for sql server using the following steps connect to node 1 by using remote desktop sign in with your domain user account right click the start button or press win x and click windows powershell admin confirm the elevation prompt by clicking yes create a domain user account for sql server and the sql agent and assign a password credential get credential username sql_server message enter password new aduser name sql_server description sql admin account accountpassword credential password enabled true passwordneverexpires true note if you use managed ad append path ou cloud dc example dc org to the command to create the user in the cloud organizational units ou ensure that the value of the path is the output of the following command get adorganizationalunit filter name eq cloud select object expandproperty distinguishedname to configure sql server perform the following steps on both node 1 and node 2 use the following steps open sql server configuration manager in the navigation pane select sql server services in the list of services right click sql server mssqlserver and select properties under log on as change the account as follows account name domain sql_server where domain is the netbios name of your active directory domain password enter the password you chose previously click ok when prompted to restart sql server select yes sql server now runs under a domain user account warning make sure you ve completed the previous configuration steps on both vm instances otherwise setting up the always on availability group will fail create file shares create two file shares on the vm instance witness so that it can store sql server backups and act as a file share witness connect to witness by using remote desktop sign in with your domain user account right click the start button or press win x and click windows powershell admin confirm the elevation prompt by clicking yes create a witness file share and grant yourself and the two cluster nodes access to the file share new item c qwitness type directory icacls c qwitness grant node 1 oi ci m icacls c qwitness grant node 2 oi ci m new smbshare name qwitness path c qwitness description sql file share witness fullaccess env username node 1 node 2 create another file share to store backups and grant sql server full access new item c backup type directory new smbshare name backup path c backup description sql backup fullaccess env userdomain sql_server create the failover cluster to create the failover cluster use the following steps return to the remote desktop session on node 1 right click the start button or press win x and click windows powershell admin confirm the elevation prompt by clicking yes create a new cluster new cluster name sql cluster node node 1 node 2 nostorage staticaddress cluster_ip replace cluster_ip with the cluster ip address that you created earlier note when computer objects are created outside the container computers in an ou the permission create computer objects must be delegated to the cluster s computer account in the ou return to the powershell session on witness and grant the virtual computer object of the cluster permission to access the file share icacls c qwitness grant sql cluster oi ci m grant smbshareaccess name qwitness accountname sql cluster accessright full force return to the powershell session on node 1 and configure the cluster to use the file share on witness as a cluster quorum set clusterquorum filesharewitness witness qwitness verify that the cluster was created successfully test cluster you might see the following warnings that you can safely ignore warning system configuration validate all drivers signed the test reported some warnings warning network validate network communication the test reported some warnings warning test result hadunselectedtests clusterconditionallyapproved testing has completed for the tests you selected you should review the warnings in the report a cluster solution is supported by microsoft only if you run all cluster validation tests and all tests succeed with or without warnings you can also launch the failover cluster manager mmc snap in to review the cluster s health by running cluadmin msc if you re using managed ad add the computer account used by the windows cluster to the cloud service domain join accounts group so that it can join computers to the domain add adgroupmember identity cloud service domain join accounts members sql cluster enable always on availability groups on both nodes enable sqlalwayson serverinstance node 1 force enable sqlalwayson serverinstance node 2 force creating an availability group you now create a sample database bookshelf include it in a new availability group named bookshelf ag and configure high availability creating a database create a new database for the purpose of this tutorial the database doesn t need to contain any data return to the remote desktop session on node 1 open the sql server management studio in the connect to server dialog verify the server name is set to node 1 and select connect in the menu select file new query with current connection paste the following sql script into the editor create a sample database create database bookshelf on primary name bookshelf filename d data bookshelf mdf size 256mb maxsize unlimited filegrowth 256mb log on name bookshelf_log filename d logs bookshelf ldf size 256mb maxsize unlimited filegrowth 256mb go use bookshelf set ansi_nulls on set quoted_identifier on go create sample table create table dbo books id bigint identity 1 1 not null title nvarchar max not null author nvarchar max null publisheddate datetime null imageurl nvarchar max null description nvarchar max null createdbyid nvarchar max null constraint pk_dbo books primary key clustered id asc with pad_index off statistics_norecompute off ignore_dup_key off allow_row_locks on allow_page_locks on on primary on primary textimage_on primary go create a backup exec dbo sp_changedbowner loginame sa map false alter database bookshelf set recovery full go backup database bookshelf to disk witness backup bookshelf bak with init go the script creates a new database with a single table and performs an initial backup to witness select execute to run the sql script configure high availability you can now configure high availability for the availability group using either t sql or sql server management studio using t sql to configure high availability for the availability group using t sql use the following steps connect to node 1 a...
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