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What happend? You only made 1 DFS Target available offline, but all of the shares are offline when Slow Link is detected or the File Server is down. Consider the following Scenario: You configured a DFS Root in the \\Domain Contoso.com\Public the Targets...
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What is DFS? 1) Group shared folders located on different servers by transparently connecting them to one or more DFS namespaces 2) DFS Namespace: Virtual view of shared folders 3) Using the DFS tools, an administrator selects which shared folders to...
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DFSUTIL.EXE is a command line tool to manage Windows Server DFS Namespaces. In Windows Server 2003 and Windows Server 2003 R2, DFSUTIL.EXE was included as part of the “Windows Server Support Tools” in the Windows Server CD. A common question by DFS administrators...
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During a recent internal conference, someone asked me about how DFS-R (DFS Replication) in Windows Server 2008 R2 secures its communication. I wasn’t sure at the time, so I talked to a few people that work with DFS-R and spent some time looking into that...
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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...
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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: http://blogs.technet.com/josebda...
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The Storage Networking Industry Association (SNIA) is hosting the 6th Storage Developer Conference (SDC) in the Hyatt Regency in beautiful Santa Clara, CA (Silicon Valley) on the week of September 14th. This event is also co-located with the CIFS/SMB...
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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 http://blogs.technet.com/josebda/archive/2009/03/10/the-basics-of-the-windows...
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Powershell is a command line interface for Windows that offers a very powerful and flexible mode. In this post, I show some sample command that can help you understand some of the basic features and also some more complex ones. If you never played with...
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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...
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Introduction Whenever you’re deploying Windows Server DFS-Namespaces, you will need to figure out how many servers will be required. Since I moved to the role of DFS-N PM, I noticed that the specific information on how many namespace servers you need...
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The most common administration activities related to DFS-Namespaces can be performed using the “DFS Management” MMC. This will show up under “Administrative Tools” after you add the DFS role service in Server Manager. You can also add just the MMC for...
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1 – Overview This blog post details the behavior of DFS-N clients by looking at network traces. The main goal here is to show the interaction between a DFS-N client, a domain controller, a namespace server and a file server. These traces were taken using...
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Overview In this blog post, we’ll cover the basics of the Distributed File System (DFS) in Windows Server 2008, which offers users simplified access to a set of file shares and helps administrators easily maintain the file server infrastructure behind...
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先日ある方から頂いた質問です。 DFSはファイルのミラーができてよいが、分散されたファイルサーバーのそれぞれでファイルが開けてしまう。片方が開いたら、他のサーバー上の同じファイルをロックできないか? Distributed File Locking ってやつですね。残念ながら、OSには実装されていません。Windows Server 2008 R2 でもロック機能そのものが実装される予定はありません。 DFS(正確にはDFS-R)では同じファイルを複数の人が編集するというシナリオを想定しておらず...
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すっかりごぶさたしてしまいました。特別面白いこともなく、淡々とした毎日を過ごしております。 ここのところ、「基本に立ち返ろう」ということで、Windows Server 2008 の「基本的な機能」や「うもれがちな標準機能」を紹介すべく施策を練っております。 その一環として ThinkIT に書かせていただいたのが、「Windows Server 2008で作るファイルサーバー シリーズ」でして、全3回が公開されました。 第1回 ここまでできる!標準サービス http://thinkit.jp/article...
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前回の続きです。前回はこちら。 【Management】Windows Server 2008 DFS(分散ファイルシステム)でのアクセスベースの列挙 その1 「アクセスベースの列挙」により共有フォルダ配下の不必要なフォルダを見せないようにすることができます。 同じようなことはDFS(分散ファイルシステム)でも可能ですが、方法が異なります。 例えば、以下のようなDFS名前空間が定義されているとします。 図の右側(\\FileSV1)が物理的な共有フォルダの構造です。それぞれのフォルダにはNTFSのアクセス権が設定されており...
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「 アクセスベースの列挙(Access-Based Enumeration)」 という機能はご存知でしょうか?初めての方もいらっしゃるかもしれないので、例を挙げて説明します。 詳しく知りたい方は、 TechNet内のこちら をご覧ください。 以下のようなフォルダ構成があったとします。Home は共有フォルダです。 User01 が Z: ドライブに \\FileServer01\Home を接続した場合、Z:ドライブをエクスプローラーで開くと、おそらく、User02 や User03 など他のユーザーのフォルダも見えてしまいます...
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We have seen some questions around DFS and VMM Library. Here is an attempt to explain how VMM would behave when deployed in such an environment and what customers should expect before doing so. First of all, what is DFS ? DFS stands for Distributed File...
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One of my fellow Microsoft Services consultants from the UK Adam Shepherd, has just had an article published in TechNet Magazine. The article provides advice on how to scale BDD. This includes how to to support multiple databases, use DFS-R and how to...
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