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Date:      Mon, 12 Nov 2012 12:56:11 +0100
From:      "Julian H. Stacey" <jhs@berklix.com>
To:        Peter Jeremy <peter@rulingia.com>
Cc:        freebsd-fs@freebsd.org, freebsd-stable@freebsd.org, Steven Hartland <killing@multiplay.co.uk>
Subject:   Re: ZFS corruption due to lack of space? 
Message-ID:  <201211121156.qACBuCNO053019@fire.js.berklix.net>
In-Reply-To: Your message "Mon, 12 Nov 2012 08:35:15 %2B1100." <20121111213515.GC5594@server.rulingia.com> 

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Peter Jeremy wrote:
> On 2012-Nov-02 09:30:04 -0000, Steven Hartland <killing@multiplay.co.uk> wr=
> ote:
> >From: "Peter Jeremy" <peter@rulingia.com>
> >> Many years ago, I wrote a simple utility that fills a raw disk with
> >> a pseudo-random sequence and then verifies it.  This sort of tool
> >
> >Sounds useful, got a link?
> 
> Sorry, no.  I never released it.  But writing something like it is
> quite easy.

I wrote

http://berklix.com/~jhs/src/bsd/jhs/bin/public/testblock/

There's no pseudo random, but sufficient for my media test needs,
There's a bunch of similar tools in ports/
(but I wrote mine before FreeBSD existed so I've never looked).

Cheers,
Julian
-- 
Julian Stacey, BSD Unix Linux C Sys Eng Consultant, Munich http://berklix.com
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