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Intel's SSD Problems

 
 
Lawrence D'Oliveiro
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      10-30-2009
<http://arstechnica.com/hardware/news/2009/10/intels-black-box-40-performance-increase-mass-ssd-death.ars>

It seems to me the fundamental problem is that the flash-drive firmware is
trying to do too much: it is implementing, in effect, an additional,
partial, filesystem layer underneath the conventional filesystem as handled
by the OS. This additional layer is a log-structured filesystem
<http://lwn.net/Articles/353411/>.

Not only is this adding extra complexity and hence unreliability, hacks like
the TRIM command seem poorly specified and poorly implemented.

The only real way forward is to abandon all this complicated firmware and
simply directly expose the raw flash layer to the OS driver. Let the OS take
care of implementing a purpose-built filesystem that integrates wear-
levelling directly in its design. A lot of work has already been done on
this; why not take advantage of that?
 
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