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Challenges of SSD Forensic Analysis - Digital Assembly

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Dynamic<br />

When allocating blocks, choose a least erased block<br />

from free list<br />

Static<br />

When allocating blocks, choose a least erased block<br />

from free list<br />

Occasionally<br />

▪ Move “static” non-­‐free blocks with low erase count (below a<br />

threshold) to a block with a high erase count<br />

Hybrid<br />

Allocate a portion <strong>of</strong> the drive for static wear leveling<br />

Allocate a portion <strong>of</strong> the drive for dynamic wear<br />

leveling

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