Matt Garman wrote:
As for RAID usage (md or hardware): just to be clear, my
understanding is that the biggest problem is that, even if the
desktop drives work fine for non-RAID use, they'll still be
"difficult" in an array. That is, they take too long to report
errors, and thus get kicked out of the array.
Another important, (from a performance perspective), feature of the
enterprise drives which will be factor in your setup, is that they are
optimised for use in a high vibration environment (RAFF in Western
Digital parlance), unlike desktop drives.
The following illustrates the problem in a somewhat humourous way:
http://www.youtube.com/watch?v=tDacjrSCeq4
While the desktop drives will work, throughput and seek times may be
compromised due to vibration and resonance effects from many drives in
one enclosure.
Regards,
Richard
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