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Date:      Mon, 10 Jul 2017 17:36:19 +0200
From:      Matthias Apitz <guru@unixarea.de>
To:        <freebsd-questions@freebsd.org>
Subject:   Re: Unusual Question
Message-ID:  <4eff21f6-84f2-4cc5-8b92-b7e787be8853@unixarea.de>
In-Reply-To: <26749.128.135.52.6.1499700385.squirrel@cosmo.uchicago.edu>
References:  <888578F8-AD68-4993-823C-152789F3C929@mail.sermon-archive.info> <52627.76.193.16.95.1499645892.squirrel@cosmo.uchicago.edu> <BF16E1CF-A889-4734-981E-2B68115FCD3C@mail.sermon-archive.info> <20170710052228.GA2338@c720-r314251> <20170710090547.15ee3afc07c09955ba621ae1@sohara.org>

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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.

matthias



-- 
Sent from my Ubuntu phone
http://www.unixarea.de/



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