[ale] SATA Hard Drive Issues?

[Greg Freemyer]

On Wed, Jan 27, 2010 at 11:40 AM, Lightner, Jeff <jlightner at water.com> wrote:
<snip>
> Identical manufacture dates can be a problem for disks.  At a prior job
> we had a Sun D1000 array and ultimately were told by Sun that all the
> drives in that array needed to be replaced due to "diamond dust" in the
> factory at the time of manufacture.  (We had several other of these
> arrays that never saw the same level of issues.)  I'm not sure I ever
> believed the "diamond dust" explanation as Sun was the same company that
> tried to blame "cosmic rays" for the E10K CPU debacle.  However, it is a
> fact that after we replaced all the drives in that array it quit having
> such a high level of disk failure.

It's my understanding that laptop drives in particular are coated with
a fine layer of diamond in order handle the banging around they get.
So it is not unreasonable that they got a bunch dust in the wrong
place.

Greg