On 12/04/2014 02:05 AM, Peter Blodow wrote:
> . The device was the size of a large drawer, weighing 
> about 50 kg, and ran continously without failure (and 
> without back up system) up until we switched it all off to 
> make room for a more modern system. The disk made it more 
> than 30 years without repairs.
OK, in the VERY OLD days, with very high head flying height, 
and low density,
it was possible to make drives with pretty long lifetimes.  
I still think you
get VERY lucky with that system.  I doubt too many of them 
ran for 30
years without failure.

Jon

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