Using the multiple NICs of your File Server running Windows Server 2008 (and 2008 R2)

  IMPORTANT NOTE: This blog post was created before the release of Windows Server 2012, which introduced SMB 3.0 and the new SMB Multichannel feature and significantly improved SMB's ability to use multiple network interfaces. You can read more about SMB Multichannel at ——————————————————   1 – Overview   When you set up a…


Multiple names for one computer – Consolidate your SMB file servers without breaking UNC paths

Overview This blog post covers a few different ways to consolidate multiple SMB file servers and keep exposing the consolidated file shares under the old share paths. Scenario Let’s say you currently have 3 file servers named file1.contoso.local, file2.contoso.local and file3.contoso.local and you want to consolidate them into a single Windows Server computer called cfile.contoso.local….


Windows Server DFS Namespaces (DFS-N) Reference

I get a number of questions regarding reference information for DFS Namespaces (also known as DFS-N). I gathered here the main links that can get you started on the subject: Here are my own blog posts on DFS Namespaces (all updated for Windows Server 2008 R2 and including domain V2 namespaces): The Basics of the…


File Server Capacity Tool (FSCT) 1.0 available for download

Version 1.0 of the File Server Capacity Tool (FSCT) was announced yesterday during a presentation by Jian Yan and  Bartosz Nyczkowski at SNIA’s Storage Developer Conference in Santa Clara, CA. The presentation covered a number of details about FSCT and included a demo running FSCT with the HomeFolders workload. If you are not familiar with…


Windows Server DFS-Namespaces Performance and Scalability

The DFS-N test team has completed some extensive Performance and Scalability testing and we wanted to share some of the results. It includes results on standalone namespaces, “2000 mode” domain namespaces and “2008 mode” domain namespaces, under Windows Server 2003, Windows Server 2008 and Windows Server 2008 R2.  Check the post by Marcello Hasegawa at…


Three ways to design your DFS Namespaces

Introduction In this blog post, we’ll showcase the flexibility you have with DFS-N by showing three distinct ways that you could design a namespace. Note: If you’re not familiar with DFS-N, please read this blog post first: Scenario The scenario here is simple: you have three file servers in different locations: S1 is in…


Changes in Roles, Role Services and Features from Windows Server 2008 to Windows Server 2008 R2

Introduction    This blog post covers the changes in the list of Roles, Role Services and Features from Windows Server 2008 (with Service Pack 2) to Windows Server 2008 R2 (used the latest RC build available to me). To create the tables and lists below, I installed both operating systems, used the “ServerManagerCmd -query” command and did some…


Five ways to check your DFS-Namespaces (DFS-N) configuration with the DFSDIAG.EXE tool

Introduction The Distributed File System Namespaces (DFS-N) service is a role service of the File Service role for Windows Server.For a basic description of DFS-N, start with DFS-N, as the name implies, is a distributed system and it involves a number of components running on a set of computers (Active Directory domain controllers, DFS-N…


File Server Capacity Tool (FSCT) Release Candidate available for download

The File Server Capacity Tool (FSCT) is a capacity planning software for CIFS/SMB/SMB2 file servers.  It’s also useful for identifying performance bottlenecks. FSCT results include the maximum number of users for a file server configuration, throughput for that configuration and performance counters for the server and clients used. This is a command line tool and…


Microsoft File Server Migration Toolkit 1.2 available as a free download

Microsoft released the File Server Migration Toolkit version 1.2 (FSMT 1.2), which will help you migrate file shares from computers running Windows NT 4.0 Server, Windows 2000 Server, Windows 2003 Server, Windows Server 2008 and Windows Storage Server 2008 to computers running Windows 2003 Server, Windows Server 2008 and Windows Storage Server 2008. You can use…