Ralf Gross wrote:
> Ferdinando Pasqualetti schrieb:
>> I think you should use /dev/random, not /dev/zero unless hardware 
>> compression is disabled in order to have more realistic figures.
> 
> This wouldn't be a good idea, /dev/random or /dev/urandom are just too
> slow in generating random data. To test the nativ speed of the  drive
> creating a file from /dev/urandom and writing this file then from
> tmpfs or a fast disk to the drive would be much better.
> 
> 
> Ralf

Personally, I'd use /dev/zero with compression turned off.
Then there's *nothing* between the data-source and the tapedrive.

Terry











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