[Beowulf] Consumer vs. Enterprise Hard Drives in Clusters [corrected]
reuti at staff.uni-marburg.de
Thu Jan 22 08:02:16 EST 2009
Am 22.01.2009 um 02:18 schrieb Nifty Tom Mitchell:
> On Wed, Jan 21, 2009 at 04:36:51PM -0800, Greg Lindahl wrote:
>> On Wed, Jan 21, 2009 at 04:19:55PM -0800, Jon Forrest wrote:
>>> last time I checked, the enterprise drives were ~25%
>>> more expensive than the consumer drives. This difference
>>> might have changed since then.
>> Last time I checked, it was +$10 on a $300 drive. I bought
>> the enterprise drives.
>> My local system reseller claims there's a substantial difference in
>> return rate. I'd love to have harder data.
> I suspect that the difference is in subtle and in the BOM.
> A ten dollar difference could be as simple as heat sink
> or capacitor thermal specifications. The heat sink could
> be invisible -- i.e. more/ thicker copper on the logic board
> Contract manufacturers may also bring better quality practices
> to the table.
I found that sometimes the granted warranty is longer for enterprise
drives, up to 5 years. But you have to contact the manufacturer, not
the dealer, to get a replacement free of charge.
> Different internal filters, bearing seal or lubrication specifications
> may also apply. I doubt that firmware is different.
> T o m M i t c h e l l
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