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Date:      Tue, 11 Jan 2022 11:40:50 +0100
From:      Michael Schuster <michaelsprivate@gmail.com>
To:        Roderick <hruodr@gmail.com>
Cc:        questions <questions@freebsd.org>
Subject:   Re: dd and mbr
Message-ID:  <CADqw_g%2BJJqFC-N==yKLU2OEwVE%2BbL%2Ba=69=ciwz1PcVPEu5nsg@mail.gmail.com>
In-Reply-To: <99901737-c828-11f9-d694-90c29e61f967@gmail.com>
References:  <4af920fc-eff1-a92e-d36e-1ba97079864c@gmail.com> <20220111111141.4bd7a6cb@archlinux> <99901737-c828-11f9-d694-90c29e61f967@gmail.com>

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Roderick,

On Tue, Jan 11, 2022 at 11:29 AM Roderick <hruodr@gmail.com> wrote:

>
> No. That does not work. That is why I am asking.
>
> bs=512 is the default. Without count is more than with count.
> How did you come to the idea that that would work?
>

I think Ralf was asking "did you use count=1?" - IOW, how much did you
overwrite.

regards
Michael

>
> Rod.
>
> On Tue, 11 Jan 2022, Ralf Mardorf wrote:
>
> > On Tue, 11 Jan 2022 10:02:26 +0000 (UTC), Roderick wrote:
> >> dd if=/dev/zero of=/dev/da0
> >
> > dd if=/dev/zero of=/dev/da0 bs=512 count=1
> >
> > or
> >
> > dd if=/dev/zero of=/dev/da0 bs=512
> >
> > ?
> >
> >
>
>

-- 
Michael Schuster
http://recursiveramblings.wordpress.com/
recursion, n: see 'recursion'

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<div dir=3D"ltr"><div dir=3D"ltr"><div class=3D"gmail_default" style=3D"fon=
t-family:arial,helvetica,sans-serif;font-size:small">Roderick,</div></div><=
br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Tue,=
 Jan 11, 2022 at 11:29 AM Roderick &lt;<a href=3D"mailto:hruodr@gmail.com">=
hruodr@gmail.com</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" =
style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);pa=
dding-left:1ex"><br>
No. That does not work. That is why I am asking.<br>
<br>
bs=3D512 is the default. Without count is more than with count.<br>
How did you come to the idea that that would work?<br></blockquote><div><br=
></div><div class=3D"gmail_default" style=3D"font-family:arial,helvetica,sa=
ns-serif;font-size:small">I think Ralf was asking &quot;did you use count=
=3D1?&quot; - IOW, how much did you overwrite.</div><div class=3D"gmail_def=
ault" style=3D"font-family:arial,helvetica,sans-serif;font-size:small"><br>=
</div><div class=3D"gmail_default" style=3D"font-family:arial,helvetica,san=
s-serif;font-size:small">regards</div><div class=3D"gmail_default" style=3D=
"font-family:arial,helvetica,sans-serif;font-size:small">Michael</div><div =
class=3D"gmail_default" style=3D"font-family:arial,helvetica,sans-serif;fon=
t-size:small"></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0=
px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
Rod.<br>
<br>
On Tue, 11 Jan 2022, Ralf Mardorf wrote:<br>
<br>
&gt; On Tue, 11 Jan 2022 10:02:26 +0000 (UTC), Roderick wrote:<br>
&gt;&gt; dd if=3D/dev/zero of=3D/dev/da0<br>
&gt;<br>
&gt; dd if=3D/dev/zero of=3D/dev/da0 bs=3D512 count=3D1<br>
&gt;<br>
&gt; or<br>
&gt;<br>
&gt; dd if=3D/dev/zero of=3D/dev/da0 bs=3D512<br>
&gt;<br>
&gt; ?<br>
&gt;<br>
&gt;<br>
<br>
</blockquote></div><br clear=3D"all"><div><br></div>-- <br><div dir=3D"ltr"=
 class=3D"gmail_signature"><div dir=3D"ltr"><div>Michael Schuster<br><a hre=
f=3D"http://recursiveramblings.wordpress.com/" target=3D"_blank">http://rec=
ursiveramblings.wordpress.com/</a><br></div><div>recursion, n: see &#39;rec=
ursion&#39;<br></div></div></div></div>

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