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<p class="MsoNormal"><span style="color:#1F497D">Basically, ssh does not have the public host keys for the remote hosts and it is asking you for them. Look at the manual page for “ssh-keyscan” for more information.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Hope this helps,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">-b<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> mpich-discuss-bounces@mcs.anl.gov [mailto:mpich-discuss-bounces@mcs.anl.gov]
<b>On Behalf Of </b>Jain, Rohit<br>
<b>Sent:</b> Tuesday, February 15, 2011 6:53 PM<br>
<b>To:</b> mpich-discuss@mcs.anl.gov<br>
<b>Subject:</b> Re: [mpich-discuss] MPI_Recv crashes with mpd ring<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<pre>Hi Dave,<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>I had 1.2.1p1 built locally. So, I tried that. It also gave me same fatal error. I will try newer version, but I am less hopeful.<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre><o:p> </o:p></pre>
<pre>I am trying to use hydra (mpiexec.hydra) with 1.2.1.p1, but getting some startup errors:<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>The authenticity of host ‘XXX' can't be established.<o:p></o:p></pre>
<pre>RSA key fingerprint is ed:ce:ca:7b:08:b9:49:fd:f6:af:14.<o:p></o:p></pre>
<pre>Are you sure you want to continue connecting (yes/no)? <o:p></o:p></pre>
<pre>The authenticity of host ‘XXX2' can't be established.<o:p></o:p></pre>
<pre>RSA key fingerprint is fb:1b:7b:0c:bb:b1:a6:b1:7d:dc:05.<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>Any pointers how to resolve them?<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>Regards,<o:p></o:p></pre>
<pre>Rohit<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<p class="MsoNormal"><o:p> </o:p></p>
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