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[atlas] USB drive
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Gert Doering
gert at space.net
Wed Mar 30 13:57:28 CEST 2016
Hi,
On Wed, Mar 30, 2016 at 01:50:33PM +0200, Philip Homburg wrote:
> Currently the probes use an ext2 filesystem, because it is simple and
> seemed to work well enough. It worked well in artificially power cycling
> the probe for period of time. Of course, reality is worse.
This might actually be the reason for the flash issues - from what I could
gather, these USB stick controllers understand FAT well enough to do
wear-leveling for it, but are not as smart as SSDs who handle "arbitrary
block access patterns" properly - so, using "non-FAT" filesystems will
make the USB stick (and SD-Cards, for that matter) wear out much faster.
Gert Doering
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