slow down dd - how?
fwd at gothschlampen.com
Fri Jul 9 18:09:53 UTC 2010
On Fri, Jul 09, 2010 at 01:44:00AM -0500, Robert Bonomi wrote:
> > > How can I slow down dd?
> > you could use some creative shellscripting (probably in addition to idprio):
> > dd if=/dev/zero bs=1024k | ( dd bs=1024k count=10; sleep 3 ) | dd bs=1024k of=/dev/somewhere
> > This pauses for 3 seconds for every 10MB written. ...
> I must be missing something.
> Doesn't that "dd ... ; sleep" in the sub-shell need to be in a _loop_ of some
You're absolutely right. I probably should get more sleep. Of course it needs
to be in a loop, something like
"( while dd bs=1024k count=10; do sleep 3; done )"
should do the trick. Sorry for the confusion.
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