Eager to master hybrid server management? Discover how to administer Windows Server Hybrid Core Infrastructure on Azure, setting your path towards the Microsoft Certified: Azure Hybrid Infrastructure Administrator Associate certification!
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Server Message Block (SMB) Direct utilizes RDMA-capable network adapters to achieve high-performance and low-latency file transfers. This technology enables faster data transfer rates by allowing network adapters to transfer data directly between application memory spaces without involving the operating system kernel. To fully leverage SMB Direct, you must configure SMB Multichannel on your systems. SMB Multichannel allows multiple network connections for a single SMB session, which enhances performance and provides network path redundancy.
Achieving optimal storage performance depends on both the configuration of your network and your storage infrastructure. First, configure location synchronization by placing both your storage account and client virtual machines in the same Azure region to minimize network latency. Second, use applications that support multi-threading so that data operations can run in parallel across multiple files. Finally, configure the provisioned share size of your SSD shares carefully, as the maximum IOPS and throughput are bound by the capacity you provision.
Administrators must regularly monitor and diagnose connection or driver issues to maintain high-speed, reliable file transfers. You can monitor throughput and latency using PowerShell commands and Performance Monitor to watch for performance drops. For example, running Get-SmbClientConfiguration allows you to monitor active connections, which you should keep below a connection count of four to avoid performance degradation. When diagnosing throughput issues, always consider physical hardware limits, such as VM network bandwidth and CPU capacity, as these boundaries ultimately constrain your overall SMB performance.
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