Log-structured file systems: There's one in every SSD
[Kernel] Posted Sep 18, 2009 18:45 UTC (Fri) by corbet
When you say "log-structured file system," most storage developers
will immediately think of Ousterhout and Rosenblum's classic paper,
The
Design and Implementation of a Log-structured File System - and
the nearly two decades of subsequent work attempting to solve the
nasty segment cleaner problem (see below) that came with it. Linux
developers might think of JFFS2, NILFS, or LogFS, three of several
modern log-structured file systems specialized for use with solid
state devices (SSDs). Few people, however, will think of SSD firmware.
Click below (Subscribers only) for the full article by Valerie Aurora.
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