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Date: Thu, 8 Jul 2010 18:44:38 +0200
From: Roland Smith <rsmith@xs4all.nl>
To: Jozsi Avadkan <jozsi.avadkan@gmail.com>
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Cc: FreeBSD Mailing list <freebsd-questions@freebsd.org>
Subject: Re: slow down dd - how?
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On Thu, Jul 08, 2010 at 05:50:52PM +0200, Jozsi Avadkan wrote:
> How can I slow down dd?

Play with the block size parameter (bs). Smaller block sizes means more
reads. The default is 512 bytes, which is very small.
=20
> I don't want to slow down the pc, when generating a big file [~40
> GByte].
>=20
> Does ionice work properly?

I think ionice only works on Linux.

Why not use nice(1)?

Roland
--=20
R.F.Smith                                   http://www.xs4all.nl/~rsmith/
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