Re: du algorithm to calculate diskspace

On Mon, Oct 02, 2017 at 12:11:21PM +0200, Peter Hessler wrote:

> hardlinks will not duplicate disk space.
>
> scp doesn't understand hardlinks.
>
>
> On 2017 Oct 02 (Mon) at 12:08:28 +0200 (+0200), rosjat wrote:
> :hi there,
> :
> :I just noticed, while copying stuf from a very old OpenBSD 4.2 to a OpenBSD
> :6.1 that du on both systems gives me different results. Did something change
> :in the calculation from 4.2 to 6.1 ?
> :
> :for example
> :
> :4.2 calculates ~ 136MB
> :6.1 calculates ~ 148MB
> :
> :I copied the files with scp
> :
> :regards
> :
> :--
> :Markus Rosjat fon: +49 351 8107223 mail: rosjat@ghweb.de
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> Indifference will be the downfall of mankind, but who cares?

It is also posisble that your new system uses a larger blocksize for
the filesystem. Some time ago defaults changed. A larger blocksize
allows for larger filesystems and better performance in most cases,
but it will waste some space.

-Otto