T. Horsnell schrieb:
> 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.

Yes, but most people use hardware compresion with LTO drives. Sooner
or later he has to test the drive with compression.

Ralf

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