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Exploring Forensic Implications Of The Fusion Drive, Shruti Gupta, Marcus Rogers
Exploring Forensic Implications Of The Fusion Drive, Shruti Gupta, Marcus Rogers
Journal of Digital Forensics, Security and Law
This paper explores the forensic implications of Apple’s Fusion Drive. The Fusion Drive is an example of auto-tiered storage. It uses a combination of a flash drive and a magnetic drive. Data is moved between the drives automatically to maximize system performance. This is different from traditional caches because data is moved and not simply copied. The research included understanding the drive structure, populating the drive, and then accessing data in a controlled setting to observe data migration strategies. It was observed that all the data is first written to the flash drive with 4 GB of free space always …