Re: PATA/SATA Disk Reliability paper

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Eyal Lebedinsky wrote:
> Disks are sealed, and a dessicant is present in each to keep humidity
> down. If you ever open a disk drive (e.g. for the magnets, or the mirror
> quality platters, or for fun) then you can see the dessicant sachet.

Actually, they aren't sealed 100%.  

On wd's at least, there is a hole with a warning printed on its side:

                      DO NOT COVER HOLE BELOW
                      V       V      V      V

                                  o


In contrast, older models from the last century, don't have that hole.

> Al Boldi wrote:
> >
> > If there is one thing to watch out for, it is "dew".
> >
> > I remember video machines sensing for dew, so do any drives sense for
> > "dew"?


Thanks!

--
Al

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