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    SubjectRe: mode data=journal in ext3. Is it safe to use?
    Doesn't Reiser4 do wear-leveling for flash?

    Ken Ryan wrote:
    >> > > > > Data integrity is much more important for us than speed.
    >> > > > > > You might want to consider ReiserFS or one of the others
    >> which were > designed with journaling in mind. And I hope you're
    >> using RAID1 or RAID5.
    >>
    >> We are using ext3 on a compact flash disk in an embedded device. So we
    >> are not using RAID systems.
    >
    >
    > [I'm not subscribed, hopefully this threads]
    >
    > Um, is this a new application or have you done this before?
    >
    > It's my understanding that very few (or no) CF devices do wear-levelling
    > internally.
    > Using a journal, especially a true data journal, seems like *the* way to
    > wear out your
    > flash as quickly as possible.
    >
    > If you've had success using ext2 in read/write mode on flash/CF in a
    > shipping product,
    > I for one would like to know more details!
    >
    > ken
    >
    >
    >
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