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--- title: Deploy a ZRS managed disk description: Learn how to deploy a managed disk that uses zone-redundant storage (ZRS). author: roygara ms.author: rogarana ms.date: 02/10/2024 ms.topic: how-to ms.service: azure-disk-storage ms.devlang: azurecli ms.custom: - references_regions - devx-track-azurepowershell - devx-track-azurecli - sfi-ropc-nochange - portal # Customer intent: "As a cloud administrator, I want to deploy zone-redundant storage (ZRS) managed disks for my virtual machines, so that I can ensure high availability and resilience for my applications across multiple availability zones." --- # Deploy a managed disk that uses zone-redundant storage This article covers how to deploy a disk that uses zone-redundant storage (ZRS) as a redundancy option. ZRS replicates your Azure managed disk synchronously across three Azure availability zones in the selected region. Each availability zone is a separate physical location with independent power, cooling, and networking. For conceptual information on ZRS, see [Zone-redundant storage for managed disks](disks-redundancy.md#zone-redundant-storage-for-managed-disks) ## Limitations [!INCLUDE [disk-storage-zrs-limitations](./includes/disk-storage-zrs-limitations.md)] ## Regional availability [!INCLUDE [disk-storage-zrs-regions](./includes/disk-storage-zrs-regions.md)] # [Azure portal](#tab/portal) ### Create a VM with a ZRS OS disk 1. Sign in to the [Azure portal](https://portal.azure.com/). 1. Navigate to **Virtual machines** and follow the normal VM creation process. 1. Proceed to the **Disks** pane. 1. Select your disk and select one of the ZRS disks in the drop-down. :::image type="content" source="media/disks-deploy-zrs/disks-zrs-portal-select-blade.png" alt-text="Screenshot of the vm creation workflow, disks pane, OS disk dropdown is expanded with the ZRS premium SSD and standard SSD options highlighted." lightbox="media/disks-deploy-zrs/disks-zrs-portal-select-blade.png"::: 1. Proceed through the rest of the VM deployment, making any choices that you desire. You've now deployed a VM with a ZRS OS disk. ### Create a ZRS disk 1. In the Azure portal, search for and select **Disks**. 1. Select **+ Add** to create a new disk. 1. Select a supported region and **Availability zone** to **None**. 1. Select **Change size**. :::image type="content" source="media/disks-deploy-zrs/create-zrs-disk-pane.png" alt-text="Screenshot of the disk creation workflow, basics pane." lightbox="media/disks-deploy-zrs/create-zrs-disk-pane.png"::: 1. Select one of the available ZRS disks and select **OK**. :::image type="content" source="media/disks-deploy-zrs/select-zrs-disk-sku.png" alt-text="Screenshot of the disk creation workflow, select a disk size pane, ZRS disks highlighted." lightbox="media/disks-deploy-zrs/select-zrs-disk-sku.png"::: 1. Continue through the deployment process. You have now created a managed disk that uses ZRS. # [Azure CLI](#tab/azure-cli) #### Create a VM with ZRS disks ```azurecli rgName=yourRGName vmName=yourVMName location=westus2 vmSize=Standard_DS2_v2 image=Ubuntu2204 osDiskSku=StandardSSD_ZRS dataDiskSku=Premium_ZRS az group create -n $rgName -l $location az vm create -g $rgName \ -n $vmName \ -l $location \ --image $image \ --size $vmSize \ --generate-ssh-keys \ --data-disk-sizes-gb 128 \ --storage-sku os=$osDiskSku 0=$dataDiskSku ``` #### Create VMs with a shared ZRS disk attached to the VMs in different zones ```azurecli location=westus2 rgName=yourRGName vmNamePrefix=yourVMNamePrefix vmSize=Standard_DS2_v2 image=Ubuntu2204 osDiskSku=StandardSSD_LRS sharedDiskName=yourSharedDiskName sharedDataDiskSku=Premium_ZRS az group create -n $rgName -l $location az disk create -g $rgName \ -n $sharedDiskName \ -l $location \ --size-gb 1024 \ --sku $sharedDataDiskSku \ --max-shares 2 sharedDiskId=$(az disk show -g $rgName -n $sharedDiskName --query 'id' -o tsv) az vm create -g $rgName \ -n $vmNamePrefix"01" \ -l $location \ --image $image \ --size $vmSize \ --generate-ssh-keys \ --zone 1 \ --attach-data-disks $sharedDiskId \ --storage-sku os=$osDiskSku \ --vnet-name $vmNamePrefix"_vnet" \ --subnet $vmNamePrefix"_subnet" az vm create -g $rgName \ -n $vmNamePrefix"02" \ -l $location \ --image $image \ --size $vmSize \ --generate-ssh-keys \ --zone 2 \ --attach-data-disks $sharedDiskId \ --storage-sku os=$osDiskSku \ --vnet-name $vmNamePrefix"_vnet" \ --subnet $vmNamePrefix"_subnet" ``` #### Create a Virtual Machine Scale Set with ZRS Disks ```azurecli location=westus2 rgName=yourRGName vmssName=yourVMSSName vmSize=Standard_DS3_V2 image=Ubuntu2204 osDiskSku=StandardSSD_ZRS dataDiskSku=Premium_ZRS az vmss create -g $rgName \ -n $vmssName \ --encryption-at-host \ --image Ubuntu2204 \ --upgrade-policy automatic \ --generate-ssh-keys \ --data-disk-sizes-gb 128 \ --storage-sku os=$osDiskSku 0=$dataDiskSku ``` # [Azure PowerShell](#tab/azure-powershell) #### Create a VM with ZRS disks ```powershell $subscriptionId="yourSubscriptionId" $vmLocalAdminUser = "yourAdminUserName" $vmLocalAdminSecurePassword = ConvertTo-SecureString "yourVMPassword" -AsPlainText -Force $location = "westus2" $rgName = "yourResourceGroupName" $vmName = "yourVMName" $vmSize = "Standard_DS2_v2" $osDiskSku = "StandardSSD_ZRS" $dataDiskSku = "Premium_ZRS" Connect-AzAccount Set-AzContext -Subscription $subscriptionId $subnet = New-AzVirtualNetworkSubnetConfig -Name $($vmName+"_subnet") ` -AddressPrefix "10.0.0.0/24" $vnet = New-AzVirtualNetwork -Name $($vmName+"_vnet") ` -ResourceGroupName $rgName ` -Location $location ` -AddressPrefix "10.0.0.0/16" ` -Subnet $subnet $nic = New-AzNetworkInterface -Name $($vmName+"_nic") ` -ResourceGroupName $rgName ` -Location $location ` -SubnetId $vnet.Subnets[0].Id $vm = New-AzVMConfig -VMName $vmName ` -VMSize $vmSize $credential = New-Object System.Management.Automation.PSCredential ($vmLocalAdminUser, $vmLocalAdminSecurePassword); $vm = Set-AzVMOperatingSystem -VM $vm ` -ComputerName $vmName ` -Windows ` -Credential $credential $vm = Add-AzVMNetworkInterface -VM $vm -Id $NIC.Id $vm = Set-AzVMSourceImage -VM $vm ` -PublisherName 'MicrosoftWindowsServer' ` -Offer 'WindowsServer' ` -Skus '2012-R2-Datacenter' ` -Version latest $vm = Set-AzVMOSDisk -VM $vm ` -Name $($vmName +"_OSDisk") ` -CreateOption FromImage ` -StorageAccountType $osDiskSku $vm = Add-AzVMDataDisk -VM $vm ` -Name $($vmName +"_DataDisk1") ` -DiskSizeInGB 128 ` -StorageAccountType $dataDiskSku ` -CreateOption Empty -Lun 0 New-AzVM -ResourceGroupName $rgName ` -Location $location ` -VM $vm -Verbose ``` #### Create VMs with a shared ZRS disk attached to the VMs in different zones ```powershell $location = "westus2" $rgName = "yourResourceGroupName" $vmNamePrefix = "yourVMPrefix" $vmSize = "Standard_DS2_v2" $sharedDiskName = "yourSharedDiskName" $sharedDataDiskSku = "Premium_ZRS" $vmLocalAdminUser = "yourVMAdminUserName" $vmLocalAdminSecurePassword = ConvertTo-SecureString "yourPassword" -AsPlainText -Force $datadiskconfig = New-AzDiskConfig -Location $location ` -DiskSizeGB 1024 ` -AccountType $sharedDataDiskSku ` -CreateOption Empty ` -MaxSharesCount 2 ` $sharedDisk=New-AzDisk -ResourceGroupName $rgName ` -DiskName $sharedDiskName ` -Disk $datadiskconfig $credential = New-Object System.Management.Automation.PSCredential ($vmLocalAdminUser, $vmLocalAdminSecurePassword); $vm1 = New-AzVm ` -ResourceGroupName $rgName ` -Name $($vmNamePrefix+"01") ` -Zone 1 ` -Location $location ` -Size $vmSize ` -VirtualNetworkName $($vmNamePrefix+"_vnet") ` -SubnetName $($vmNamePrefix+"_subnet") ` -SecurityGroupName $($vmNamePrefix+"01_sg") ` -PublicIpAddressName $($vmNamePrefix+"01_ip") ` -Credential $credential $vm1 = Add-AzVMDataDisk -VM $vm1 -Name $sharedDiskName -CreateOption Attach -ManagedDiskId $sharedDisk.Id -Lun 0 update-AzVm -VM $vm1 -ResourceGroupName $rgName $vm2 = New-AzVm ` -ResourceGroupName $rgName ` -Name $($vmNamePrefix+"02") ` -Zone 2 ` -Location $location ` -Size $vmSize ` -VirtualNetworkName $($vmNamePrefix+"_vnet") ` -SubnetName ($vmNamePrefix+"_subnet") ` -SecurityGroupName $($vmNamePrefix+"02_sg") ` -PublicIpAddressName $($vmNamePrefix+"02_ip") ` -Credential $credential ` -OpenPorts 80,3389 $vm2 = Add-AzVMDataDisk -VM $vm1 -Name $sharedDiskName -CreateOption Attach -ManagedDiskId $sharedDisk.Id -Lun 0 update-AzVm -VM $vm1 -ResourceGroupName $rgName ``` #### Create a Virtual Machine Scale Set with ZRS Disks ```powershell $vmLocalAdminUser = "yourLocalAdminUser" $vmLocalAdminSecurePassword = ConvertTo-SecureString "yourVMPassword" -AsPlainText -Force $location = "westus2" $rgName = "yourResourceGroupName" $vmScaleSetName = "yourScaleSetName" $vmSize = "Standard_DS3_v2" $osDiskSku = "StandardSSD_ZRS" $dataDiskSku = "Premium_ZRS" $subnet = New-AzVirtualNetworkSubnetConfig -Name $($vmScaleSetName+"_subnet") ` -AddressPrefix "10.0.0.0/24" $vnet = New-AzVirtualNetwork -Name $($vmScaleSetName+"_vnet") ` -ResourceGroupName $rgName ` -Location $location ` -AddressPrefix "10.0.0.0/16" ` -Subnet $subnet $ipConfig = New-AzVmssIpConfig -Name "myIPConfig" ` -SubnetId $vnet.Subnets[0].Id $vmss = New-AzVmssConfig -Location $location ` -SkuCapacity 2 ` -SkuName $vmSize ` -UpgradePolicyMode 'Automatic' $vmss = Add-AzVmssNetworkInterfaceConfiguration -Name "myVMSSNetworkConfig" ` -VirtualMachineScaleSet $vmss ` -Primary $true ` -IpConfiguration $ipConfig $vmss = Set-AzVmssStorageProfile $vmss -OsDiskCreateOption "FromImage" ` -ImageReferenceOffer 'WindowsServer' ` -ImageReferenceSku '2012-R2-Datacenter' ` -ImageReferenceVersion latest ` -ImageReferencePublisher 'MicrosoftWindowsServer' ` -ManagedDisk $osDiskSku $vmss = Set-AzVmssOsProfile $vmss -ComputerNamePrefix $vmScaleSetName ` -AdminUsername $vmLocalAdminUser ` -AdminPassword $vmLocalAdminSecurePassword $vmss = Add-AzVmssDataDisk -VirtualMachineScaleSet $vmss ` -CreateOption Empty ` -Lun 1 ` -DiskSizeGB 128 ` -StorageAccountType $dataDiskSku New-AzVmss -VirtualMachineScaleSet $vmss ` -ResourceGroupName $rgName ` -VMScaleSetName $vmScaleSetName ``` # [Resource Manager Template](#tab/azure-resource-manager) Use the `2020-12-01` API with your Azure Resource Manager template to create a ZRS disk. #### Prerequisites You must enable the feature for your subscription. Use the following steps to enable the feature for your subscription: 1. Execute the following command to register the feature for your subscription ```powershell Register-AzProviderFeature -FeatureName "SsdZrsManagedDisks" -ProviderNamespace "Microsoft.Compute" ``` 1. Confirm that the registration state is **Registered** (it may take a few minutes) using the following command before trying out the feature. ```powershell Get-AzProviderFeature -FeatureName "SsdZrsManagedDisks" -ProviderNamespace "Microsoft.Compute" ``` #### Create a VM with ZRS disks ``` $vmName = "yourVMName" $adminUsername = "yourAdminUsername" $adminPassword = ConvertTo-SecureString "yourAdminPassword" -AsPlainText -Force $osDiskType = "StandardSSD_ZRS" $dataDiskType = "Premium_ZRS" $region = "eastus2euap" $resourceGroupName = "yourResourceGroupName" New-AzResourceGroup -Name $resourceGroupName -Location $region New-AzResourceGroupDeployment -ResourceGroupName $resourceGroupName ` -TemplateUri "https://raw.githubusercontent.com/Azure-Samples/managed-disks-powershell-getting-started/master/ZRSDisks/CreateVMWithZRSDataDisks.json" ` -resourceName $vmName ` -adminUsername $adminUsername ` -adminPassword $adminPassword ` -region $region ` -osDiskType $osDiskType ` -dataDiskType $dataDiskType ``` #### Create VMs with a shared ZRS disk attached to the VMs in different zones ``` $vmNamePrefix = "yourVMNamePrefix" $adminUsername = "yourAdminUserName" $adminPassword = ConvertTo-SecureString "yourAdminPassword" -AsPlainText -Force $osDiskType = "StandardSSD_LRS" $sharedDataDiskType = "Premium_ZRS" $region = "eastus2euap" $resourceGroupName = "zrstesting1" New-AzResourceGroupDeployment -ResourceGroupName $resourceGroupName ` -TemplateUri "https://raw.githubusercontent.com/Azure-Samples/managed-disks-powershell-getting-started/master/ZRSDisks/CreateVMsWithASharedDisk.json" ` -vmNamePrefix $vmNamePrefix ` -adminUsername $adminUsername ` -adminPassword $adminPassword ` -region $region ` -osDiskType $osDiskType ` -dataDiskType $sharedDataDiskType ``` #### Create a Virtual Machine Scale Set with ZRS Disks ``` $vmssName="yourVMSSName" $adminUsername="yourAdminName" $adminPassword=ConvertTo-SecureString "yourAdminPassword" -AsPlainText -Force $region="eastus2euap" $osDiskType="StandardSSD_LRS" $dataDiskType="Premium_ZRS" New-AzResourceGroupDeployment -ResourceGroupName zrstesting ` -TemplateUri "https://raw.githubusercontent.com/Azure-Samples/managed-disks-powershell-getting-started/master/ZRSDisks/CreateVMSSWithZRSDisks.json" ` -vmssName "yourVMSSName" ` -adminUsername "yourAdminName" ` -adminPassword $password ` -region "eastus2euap" ` -osDiskType "StandardSSD_LRS" ` -dataDiskType "Premium_ZRS" ` ``` --- ## Next steps - Check out more [Azure Resource Manager templates to create a VM with ZRS disks](https://github.com/Azure-Samples/managed-disks-powershell-getting-started/tree/master/ZRSDisks).