Microsoft Uncertain About WinFS for XP

Ant writes "As a follow-up to WinFS to be available in WinXP story from a few days ago, BetaNews reports that Microsoft (MS) stopped short of confirming reports that it plans to back-port its next-generation WinFS file system architecture to Windows XP. MS tells BetaNews it is only evaluating the move while also acknowledging WinFS is still years off. "We are currently evaluating making the WinFS storage subsystem available on this platform and will make the decision based on what is best for customers." a Microsoft spokesperson told BetaNews."

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Re:WinFS vs Tiger Spotlight?

[Jugalator]

Spotlight is like a desktop search engine, allowing searching for metadata in addition to "regular" actual file data, right?

In that case, that's about half of what WinFS is supposed to be. It will make greater use of metadata, probably through the already existing NTFS streams in e.g. Windows 2000 and Windows XP. Yes, you can already store and search true file system-level metadata in those operating systems, an almost as little known fact as that you can mount devices in Windows XP to "folders", similar to how it works in Linux. I can for example mount my DVD-ROM at E: to C:\Devices\DVD. Anyway, that combined with the WinFS service running on top of NTFS helping out with indexing to allow instant database-style searches, should offer something similar to Spotlight functionality, if I understand Spotlight right. :-)

However, there's more to it than fast database searches in WinFS. It also aims to change how we look on stored files altogether, taking away system-related concepts like "hard drives" and physical "folders" when navigating your stored data. Instead, your data will be organized into more abstract libraries of data. You'd for example store your games in your Game library, whose contents wouldn't be tied to one folder on one hard drive. You'd go to your Game library, and double-click on Doom III, instead of going to C:\Games\Doom III. Actually, C: wouldn't even be a concept seen by the user anymore.

It's even supposed to seamlessly work through network shares, however last thing I heard is that won't be in the initial release of WinFS.

So it's a new data model, and a new way to look at how you store data altogether.

All this is how it may look to the user. However, to Windows, it's a storage engine running as a service on top of NTFS.

Very early stages of WinFS could be found in the already released/leaked Longhorn alpha versions. Although you couldn't really say it was anything near functioning, you could see the concepts, and that was likely the intention at this early alpha stage.

Here are some quotes from Paul Thurrot's site:

"Microsoft is trying to make it easier for you to find your data on our ever-increasing hard drives. By adding relational database capabilities to the file system, it will take less time to find documents, email, and other data. After all, as one Microsoft executive asked me recently, "Why can we find anything we want on the Internet in seconds, but it takes so long to find our own data on our own PCs?" In addition to the underlying WinFS technology, Microsoft is also adding a new file system concept called Libraries, which will organize like collections of data in Longhorn, regardless of where they are physically stored in the system. For example, a Photos & Movies Library would collect links to every digital photo and digital video on your system.

"I should not care about location when I save," says Microsoft VP Chris Jones. "Why can't I just click on my computer and it shows me my documents? It is a computer. It should know what a document is, what I have edited and annotated, what I have searched for before, and what other places I have looked for documents. It is not just documents on my computer I am looking for. It is documents I care about."

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"NTFS will be the only supported file system in Longhorn, from a setup and deployment standpoint, though the OS will, of course, continue to support legacy file systems like FAT and FAT32 for dual-boot and upgrade purposes. The oft-misunderstood Windows Future Storage (WinFS), which will include technology from the "Yukon" release of SQL Server, is not a file system, Mark Myers told me. Instead, WinFS is a service that runs on top of--and requires--NTFS. "WinFS sits on top of NTFS," he said. "It sits on top of the file system. NTFS will be a requirement."

Interestingly, when WinFS is enabled, file letters are hidden from the end user, though t