SanDisk micro SDHC 8GB card under testing

Mikko Rauhala mjrauhal at
Fri Jul 11 23:31:17 CEST 2008

pe, 2008-07-11 kello 15:17 -0600, Joe Pfeiffer kirjoitti:
> Well...  using an inode-based filesystem like ext2 or ext3 is a really
> bad idea, since you end up rewriting some of the blocks a *lot*.
> Journalling the metadata, as ext3 does it, does make things even worse
> as you say.  Using a purely journalled FS like jffs2, on the other
> hand, is a really good idea since it's designed to avoid exactly those
> flaws.

SD does wear-leveling. JFFS2 is redundant on those, though probably
generic leveling isn't quite as efficient than what a leveling
filesystem can manage on raw flash. (Slapping leveling on leveling isn't
likely to improve things much, I would think...)

Mikko Rauhala   - mjr at     - <URL:>
Transhumanist   - WTA member     - <URL:>
Singularitarian - SIAI supporter - <URL:>

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