A Shift in Data Storage Todd Dinkelman Micron Technology, Inc.
A Shift in Data Storage Todd Dinkelman Micron Technology, Inc.
A Shift in Data Storage Todd Dinkelman Micron Technology, Inc.
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Wear-Level<strong>in</strong>g<br />
� Dynamic wear-level<strong>in</strong>g uses the available<br />
free space and the <strong>in</strong>com<strong>in</strong>g data to equally<br />
wear each of the physical blocks<br />
• Static data is not <strong>in</strong>cluded <strong>in</strong> the available pool of<br />
wear-level<strong>in</strong>g blocks, leav<strong>in</strong>g a portion of the drive<br />
with no wear<br />
� Static wear-level<strong>in</strong>g considers all physical<br />
blocks <strong>in</strong> the SSD, regardless of content, and<br />
ma<strong>in</strong>ta<strong>in</strong>s an even level of wear across the<br />
entire drive<br />
Santa Clara, CA USA<br />
August 2008 16
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