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E2E Deployment and Operations Guide with Switchless Networking: Microsoft HCI Solutions from Dell Technologies
Deployment Introduction Solution Overview Solution Deployment Switchless Architecture with Network ATC
Switchless Architecture with Network ATC
Configure host networking
Setup IPs manually on SMB NICs
Creating a cluster
Creating network intents for switchless
Enabling Storage Spaces Direct
Configuring the host management network as a lower-priority network for live migration
Updating the page file settings
Configuring a cluster witness
Best practices and recommendations
Enabling bit locker
Recommended next steps
Deployment services
References GPU Integration Day 1 operations Managing and monitoring clusters with Windows Admin Center Dell OpenManage Integration with Windows Admin Center Updates and maintenance References

Best practices and recommendations

Best practices and recommendations

  • Dell Technologies recommends that you follow the guidelines that are described in this section.



    Update the hardware timeout for the Spaces port

    For performance optimization and reliability, update the hardware timeout configuration for the Spaces port.

    The following PowerShell command updates the configuration in the Windows registry and induces a restart of the node at the end of the registry update. Perform this update on all Storage Spaces Direct nodes immediately after initial deployment. Update one node at a time and wait until each node rejoins the cluster.

    Set-ItemProperty -Path HKLM:\SYSTEM\CurrentControlSet\Services\spaceport\Parameters -Name HwTimeout -Value 0x00002710 -Verbose

    Restart-Computer -Force

    Enable jumbo frames

    Enabling jumbo frames specifically on the interfaces supporting the storage network might help improve the overall read/write performance of the Azure Stack HCI cluster. An end-to-end configuration of jumbo frames is required to take advantage of this technology. However, support for jumbo frame sizes varies among software, NIC, and switch vendors. The lowest value within the data path determines the maximum frame size that is used for that path.

    Card Maximum frame size supported
    Mellanox CX5/CX6 9614 bytes
    Qlogic 41262 9614 bytes
    Intel E810 9238 bytes

    For the storage network adapters in the host operating system, enable jumbo frames by running the Set-NetworkAdapterAdvancedProperty cmdlet.

    Note: Network adapters from different vendors support different jumbo packet sizes. The configured value must be consistent across the host operating system and network switch configuration.

    For information about configuring jumbo frames at the switch port level, see Sample Network Switch Configuration Files.