[wellylug] CF card lifetime

Peter Lambrechtsen plambrechtsen at gmail.com
Tue Mar 22 18:59:32 NZDT 2011


On Tue, Mar 22, 2011 at 4:05 PM, Richard Hector <richard at walnut.gen.nz>wrote:

> > PS: Aside from SMART and some vendor proprietary (possibly Microsoft
> > Windows only) tools I'm not aware of any other way to peak into what the
> > embedded firmware is doing for wear levelling.  So you essentially get
> > no warning that it's no longer possible to erase some of the blocks on
> > the CF.  (And depending on the firmware in the CF it may either silently
> > work around that for you, as modern hard spinning rust hard drives work
> > around bad blocks, or -- more likely on cheap CF -- randomly give you
> > corrupt blocks.  Fun.)
>
> Ok. I was afraid of that :-(
>

Check out dmidecode which queries the smbios and gives you some "okish"
stats on the HDDs which is outside of SMART.

YMMV
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