Increasing Availability – The REAP Principles (Redundancy, Entanglement, Awareness and Persistence)

Introduction   Increasing availability is a key concern with computer systems. With all the consolidation and virtualization efforts under way, you need to make sure your services are always up and running, even when some components fail. However, it’s usually hard to understand the details of what it takes to make systems highly available (or…

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New five-part blog series on DFS Replication

Ned Pyle, a Senior Escalation Support Engineer with the Directory Services team at Microsoft, has just started a new blog series focusing on DFS Replication.   Here’s how he introduces it:   Hello folks, Ned here again to kick off a new five-part series on DFSR. With the release of Windows Server 2008 R2, the…

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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….

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Best Practices Analyzer for Windows Server 2008 R2 File Services available for download

Quick blog post to let you know that information about the Best Practices Analyzer (BPA) for Windows Server 2008 R2 File Services has been published.It includes several rules for the configuration, operation, performance and security of the SMB, NFS, DFS-N, DFS-R and FSRM. Get detailed documentation at http://technet.microsoft.com/en-us/library/ff633443(WS.10).aspx Download the BPA directly from Windows Update or…

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How DFS Replication (DFS-R) secures its communication

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. It turns out that DFS-R uses security above and beyond…

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Presentations from Storage Developer Conference 2009 (SDC 2009) are now available for download

The presentations from SNIA’s SDC 2009 are now publicly available for download. This SNIA event happened in Santa Clara, CA last September and the decks are now publicly available, after being restricted to conference attendees for a few months. Out of the dozens of presentations, I wanted to highlight a few that were delivered by…

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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…

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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…

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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: http://blogs.technet.com/josebda/archive/2009/03/10/the-basics-of-the-windows-server-2008-distributed-file-system-dfs.aspx Scenario The scenario here is simple: you have three file servers in different locations: S1 is in…

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SNIA’s Storage Developers Conference 2009 in Santa Clara, CA is coming – Plan to be there on the week of September 14th

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/SMB2 Plugfest. For those working with storage technologies, this event gathers a unique crowd and includes a…

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