Sizing file servers

“How do I size file servers?” is a perennial question, and we recently had a mail thread in response to a customer question about sizing file server clusters. We do have some guidance about server cluster capacity planning and file server RAM and CPU sizing in the Windows Server 2003 Deployment Kit. Elden Christensen, a… Read more

New operations guide for using Dfsradmin.exe

We’ve released a short operations guide for using Dfsradmin.exe, the command-line tool for DFS Replication in Windows Server 2003 R2. Although the tool itself provides command-line help for its syntax, this guide is useful if you need examples of how to perform a series of commands to create a replication group, add members, schedules, and… Read more

What happens when you delete a replicated folder?

A customer noticed that after deleting a replicated folder from a replication group, some subfolders under the DfsrPrivate folder (which is under the local path of the replicated folder) remained on the volume. This behavior is by design–DFS Replication does not clean up some internal folders that can have user data on a member after… Read more

Upcoming webcast and chat for administering branch office technologies in R2

Hello everyone, we’ve got two events this week for the R2 branch office technologies–a webcast on Wednesday and a follow-up chat on Friday. These will cover DFS Replication and DFS Namespaces in R2. TechNet Webcast: Administering and Maintaining the Branch Office Technologies in Windows Server 2003 R2 (Level 300) Wednesday, December 14, 2005 – 1:00… Read more

Performance impact of using File Server Resource Manager on large volumes

A customer recently asked how performance is affected when you use File Server Resource Manager in R2 on large volumes. Based on our testing, here’s what to expect: Quotas: Internal benchmarks have consistently shown I/O performance cost of less than 10% for tracking quotas on a volume. The cost remains fairly flat with volume size… Read more

Understanding DFS Replication "limits"

[Updated on 11/27/06 to clarify areas where customers commonly have questions]  The most frequent DFS Replication questions are about replication limits. The answer is, as you might guess, not as simple as some arbitrary hard-coded limit. And just so we’re on the same page, I’m talking about the new replication engine in Windows Server 2003 R2,… Read more

More blogger introductions

I’ve asked folks who will be blogging here to send me their bios to introduce themselves, and the bios are slowly trickling in. Here are a few: Dan Lovinger joined Microsoft in 1995 and is currently the technical lead for the DFS team. Since joining Microsoft he’s worked on the Windows kernel cache manager, the… Read more