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E2E Deployment and Operations Guide with Scalable Networking: Microsoft HCI Solutions from Dell Technologies
Deployment Introduction Solution Overview Solution Deployment Scalable Architecture with Network ATC
Scalable Architecture with Network ATC
Configure host networking
Create a cluster
Converged topology
Non-converged topology
Enabling Storage Spaces Direct
Updating the page file settings
Configuring a cluster witness
Best practices and recommendations
Enabling bit locker
Recommended next steps
GPU Integration Day 1 operations Managing and monitoring clusters with Windows Admin Center Dell OpenManage Integration with Windows Admin Center Updates and maintenance References

Converged topology

Converged topology

  • In the fully converged network topology, management, compute, and storage (SMB) traffic pass via a single virtual switch. On the host operating system, a pair of RDMA capable NICs are used for storage and management/compute. The following figure shows this configuration in the host operating system.

    Figure 2. Host operating system network configuration in fully converged topology with two NIC ports
    Figure illustrating OS network configuration in fully converged topology with two NIC ports 
    # NIC variables
    # Modify to match the deployment requirements
    $mgmt_compute_stor_nics = @('pRDMAnic1','pRDMAnic2')
    $storage_vlans =@(203,204)
    $Mgmt_Vlan=202

    $NetworkDirectTechnology = 'iWARP'  #or 'RoCEv2'# Set QoS Override (only necessary if there’s a deviation from MS recommendations)
    $QoSOverride = New-NetIntentQoSPolicyOverrides
    $QoSOverride.BandwidthPercentage_Cluster = 2
    $QoSOverride.PriorityValue8021Action_Cluster = 5

    # JumboPacket Override for converged topology
    $AdapterPropertyOverrides = New-NetIntentAdapterPropertyOverrides
    $AdapterPropertyOverrides.JumboPacket = 9014

    #Storage Overrides if you do not want Network ATC to assign SMB IPs automatically.
    # Disable automatic IP assignment (Optional)
    $StorageOverride = New-NetIntentStorageOverrides
    $StorageOverride.EnableAutomaticIPGeneration = $false


    if ((Get-NetAdapter -Name $mgmt_compute_stor_nics[0] | Select InterfaceDescription) -Match "E810") {    
    if ($NetworkDirectTechnology -eq "iWARP"){        $AdapterPropertyOverrides.NetworkDirectTechnology = 1      } 
    else {        $AdapterPropertyOverrides.NetworkDirectTechnology = 4    }
    }
    # Create Management and Commpute Intent
    Add-NetIntent -Name Management_Compute_Storage -Management -Compute -Storage -AdapterName $mgmt_compute_stor_nics -ManagementVlan $Mgmt_Vlan -StorageVLANs $storage_vlans -QosPolicyOverrides $QoSOverride -AdapterPropertyOverrides $AdapterPropertyOverrides -StorageOverrides $Storageoverride


    #Verify intent creation status after few minutes.
    Get-NetIntentStatus | select intentname,Host,ConfigurationStatus ,ProvisioningStatus,retrycount,error,LastSuccess,LastUpdated,LastConfigApplied |ft


    #Run the following commands on all nodes with correct IP addresses.
    #Optional steap if you have chosen to assign SMB NIC IPs manually. 
    $stor_prefix='25'
    $stor1_ip_address = '172.16.1.1'
    $stor2_ip_address = '172.16.2.2'

    New-NetIPAddress -InterfaceAlias "vEthernet(RDMAnic1)" -IPAddress $stor1_ip_address -PrefixLength $stor_prefix -AddressFamily IPv4 -Verbose
    New-NetIPAddress -InterfaceAlias "vEthernet(RDMAnic2)" -IPAddress $stor2_ip_address -PrefixLength $stor_prefix -AddressFamily IPv4 -Verbose



    # Configure Live migration settings
    $clusterOverride = New-NetIntentGlobalClusterOverrides
    $clusterOverride.EnableVirtualMachineMigrationPerformanceSelection = $false
    $clusterOverride.VirtualMachineMigrationPerformanceOption = "SMB"
    $clusterOverride.MaximumVirtualMachineMigrations = 2

    Set-NetIntent -GlobalClusterOverrides $clusterOverride