On 11 Dec 2012, at 6:00pm, Roger Binns <rog...@rogerbinns.com> wrote:

> Chances are that whatever corrupts your databases would also corrupt the
> backups.  Here is something the Windows team found:
> 
>  http://blogs.msdn.com/b/oldnewthing/archive/2005/04/12/407562.aspx

Right.  I don't have experience with motherboards and CPUs but I have seen 
similar things with storage subsystems.  Take hard disks intended for laptop or 
desktop use, and spin them 24/7 in a server and you get overheating, uneven 
bearing wear, and faulty operation.  Take a cheap Orient-made hard disk apart 
and find a surface rated for 500Gig used with a stepper motor which turns it 
into a 750Gig drive.  Or a sprayed gold databus rated for 11ms switching which 
should be an electroplated databus rated for 6ms switching.

That sort of skimping is fine on a laptop you use for browsing and email.  Then 
you find some cheapo business organisation is using one as a server.  
Diagnosing the problem takes a thousand dollars of expert time that could have 
paid for a proper server.  And a professional software developer resentful 
because he had to learn hardware and physics.

Simon.
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