What’s New with Windows Server 2008 NTFS?

NTFS is the file system of choice on any file server. NTFS permissions are a key element to controlling access to files and folders on any Windows computer. NTFS is also critical to maintaining the integrity of the file system and helps ensure that files and folders don’t become corrupted while on disk.

NTFS has been around since the first version of Windows NT. While we were hoping for a new file system to be available in Windows Server 2008, there are some things to look forward to with improvements in the Windows Server 2008 NTFS file system. Some of these improvements include:

  • Transactional NTFS integrates with COM+
  • Each NTFS volume is a resource manager. This feature enables a system to be restarted with some volumes “missing” without affecting the recovery on the other volumes.
  • A file handle can be closed before the transaction commits or aborts.
  • You can view a file as a unit of storage. Partial updates and complete file overwrites are supported. It is not expected that multiple transactions concurrently modify parts of the file-this is not supported.
  • Memory mapped I/O works transparently and consistently with the regular file I/O.
  • Accessing a remote file using SMB Service and Web-Based Distributed Authoring and Versioning (WebDAV) is supported transparently. The transaction context is carried to the remote node by the system automatically. The transaction itself gets distributed and coordinated for commit or abort.
  • Each volume contains its own log. The common log format is used for providing recovery and aborts.

For more information about updates to NTFS check out:

http://technet2.microsoft.com/windowsserver2008/en/library/bab0f1a1-54aa-4cef-9164-139e8bcc44751033.mspx?mfr=true

HTH,

Tom

Thomas W Shinder, M.D.
Site: http://www.isaserver.org/

Blog: http://blogs.isaserver.org/shinder/
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Email: [email protected]
MVP – Microsoft Firewalls (ISA)

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