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Dataset for forensic analysis of B-tree file system.

Mohamad Ahtisham Wani¹, Wasim Ahmad Bhat¹

¹Department of Computer Sciences, University of Kashmir, India.

|June 16, 2018

Summary

This study introduces a new dataset for Btrfs file system forensic analysis. It details file system structures and data recovery methods, valuable for digital forensics investigations.

Area of Science:

Computer Science
Digital Forensics

Background:

The Btrfs (B-tree file system) is becoming the standard for Linux-based operating systems.
Forensic analysis of Btrfs is crucial for digital investigations.

Purpose of the Study:

To present a novel dataset for Btrfs forensic analysis.
To aid the digital forensics community in understanding Btrfs.

Main Methods:

A proposed data-recovery procedure was used to collect the dataset.
Analysis included file system layouts, operations, and node-balancing mechanisms.

Main Results:

The dataset identifies generalized file system layouts and operations.
It details logical addresses, on-disk records, and recovered data (directory entries, extent data).

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The percentage of data recovered was also documented.

Conclusions:

The developed dataset is valuable for forensic analysis of Btrfs.
It aids in understanding Btrfs structures and data recovery for digital investigations.