Re: ext2 on flash memory

DervishD
2007-06-11T16:37:15Z

Hi Eduard :)

* Eduard-Gabriel Munteanu <maxdamage@aladin.ro> dixit:
> > I was wondering: is there any reason not to use ext2 on an USB
> >pendrive? Really my question is not only about USB pendrives, but any
> >device whose storage is flash based. Let's assume that the device has
> >a good quality flash memory with wear leveling and the like...
>
> Your USB pendrive will wear faster if you use an inappropriate
> filesystem. Such filesystems require frequent writes and change their
> internal state often.

That's what I supposed.

> Really, why don't you try a more suitable fs for your pendrive, one that
> changes itself less than usual fs's?

I was just wondering if, apart from the excessive wear, there were
other reasons. One of the reasons I would like to use a good filesystem
for a pendrive is to be able to store file metadata (UID, GID, mode,
etc.) properly, for example to store a "live" copy of my home dir in the
pendrive.

Thanks for your answer :)

Raúl Núñez de Arenas Coronado

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