From owner-freebsd-questions@freebsd.org  Mon Jul 10 17:39:31 2017
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Date: Mon, 10 Jul 2017 19:38:59 +0200
From: Polytropon <freebsd@edvax.de>
To: Matthias Apitz <guru@unixarea.de>
Cc: <freebsd-questions@freebsd.org>
Subject: Re: Unusual Question
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On Mon, 10 Jul 2017 17:36:19 +0200, Matthias Apitz wrote:
> The OP should just compile an own version of dd(1) which punches lets say 
> every thousand blocks the current block number to see how far (or better 
> how less) it will walk through before the kernel halts/crashes.

To extend this idea:

I'd add a few continuous diagnostic messages (comparable to
the ^T status display), so when the SSH connection finally
drops, it's possible to see how far the dd process went. :-)



-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...