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Log-structured file system in use today

Log-structured file system in use today

Posted Aug 21, 2006 17:01 UTC (Mon) by arjan (subscriber, #36785)
In reply to: Log-structured file system in use today by sdoyon
Parent article: KHB: A Filesystems reading list

there is an issue with jffs2 though.. it doesn't really scale with size. Nowadays 8 Gb of flash is not uncommon, but jffs2 just is impractical to use there. In addition, jffs2 does waste quite some space that it needs for the garbage collector to do it's work...

(and technically, jffs2 is log structured with a few twists, it's not strictly log structured, but chunked into log pieces)


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Log-structured file system in use today

Posted Aug 21, 2006 18:36 UTC (Mon) by drag (subscriber, #31333) [Link]

One log-structured file system that seems pretty impressive with good likelihood of future acceptance is NILFS from Nippon Telegraph and Telephone company of Japan.
http://www.nilfs.org/en/current_status.html

Seems interesting. I like the idea of a 'lossless' file system and being able to mount snapshots of a file system at different times in it's history.

Log-structured file system in use today

Posted Aug 22, 2006 5:46 UTC (Tue) by nhippi (subscriber, #34640) [Link]

However, there is nothing more better to use on > 8Gb flashes either :(

Log-structured file system in use today

Posted Nov 26, 2006 19:42 UTC (Sun) by joern (subscriber, #22392) [Link]

> (and technically, jffs2 is log structured with a few twists, it's not
> strictly log structured, but chunked into log pieces)

As is the original Sprite LFS, actually.


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