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#ntfs

3 posts

WindowsDeep Dive August 27, 2026 6 min read

Windows ProjFS: Building a Filesystem Projection Provider That Hydrates on Demand

How a ProjFS provider projects a backing store into NTFS, enumerates placeholders, supplies data, and survives races, cancellation, and local changes.

#windows#projfs#ntfs

WindowsDeep Dive August 27, 2026 6 min read

NTFS USN Change Journal: Incremental File Tracking Without False Guarantees

How Windows records NTFS changes by USN, how consumers checkpoint journal identity and position, and why gaps require a full recovery design.

#windows#ntfs#usn-journal

WindowsDeep Dive July 9, 2026 5 min read

NTFS Internals: the MFT, Journaling, and Alternate Data Streams

How NTFS's Master File Table, transaction journal, and lesser-known features like alternate data streams and the USN journal actually work.

#ntfs#filesystem#windows