David Magda wrote:
> This is also (theoretically) why a drive purchased from Sun is more  
> that expensive then a drive purchased from your neighbourhood computer  
> shop: Sun (and presumably other manufacturers) takes the time and  
> effort to test things to make sure that when a drive says "I've synced  
> the data", it actually has synced the data. This testing is what  
> you're presumably paying for.

So how do you test a hard drive to check it does actually sync the data?
How would you do it in theory?
And in practice?

Now say we are talking about a virtual hard drive,
rather than a physical hard drive.
How would that affect the answer to the above questions?

Thanks
Nigel
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