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    <title>topic MSA2000 host port interconnect in MSA Storage</title>
    <link>https://community.hpe.com/t5/msa-storage/msa2000-host-port-interconnect/m-p/6709945#M8362</link>
    <description>&lt;P&gt;Hi,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I am very new to fiber channel and SANs.&lt;/P&gt;&lt;P&gt;I recently acquired old hardware for testing purposes.&lt;/P&gt;&lt;P&gt;It includes an MSA2000 (2xMSA2012fc controllers).&lt;/P&gt;&lt;P&gt;I have 2 hosts connecting to each controller as follows:&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; host1/port0 -&amp;gt; controllerA/port0&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; host1/port1 -&amp;gt; controllerB/port0&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; host2/port0 -&amp;gt; controllerA/port1&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; host2/port1 -&amp;gt; controllerB/port1&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;The hosts use the HBA HP FC2242SR (Emulex A8003A)&lt;/P&gt;&lt;P&gt;I set up the topology to loop, and setting the host port toStraight-through, I'm able to see the LUNs on my servers.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;However, as soon as I change the host port to Interconnected, I lose connection on the fiber ports...&lt;/P&gt;&lt;P&gt;The Recieve signal registers as &lt;SPAN class="normal"&gt;Present, but the Link Status remains as Link Down&lt;/SPAN&gt;&amp;nbsp;(on the MSA web page)&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Is there anyone that could have a clue on what I might be doing wrong?&lt;/P&gt;&lt;P&gt;Any help would be greatly appreciated...&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks!&lt;/P&gt;</description>
    <pubDate>Wed, 18 Feb 2015 01:19:43 GMT</pubDate>
    <dc:creator>MartinR01</dc:creator>
    <dc:date>2015-02-18T01:19:43Z</dc:date>
    <item>
      <title>MSA2000 host port interconnect</title>
      <link>https://community.hpe.com/t5/msa-storage/msa2000-host-port-interconnect/m-p/6709945#M8362</link>
      <description>&lt;P&gt;Hi,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I am very new to fiber channel and SANs.&lt;/P&gt;&lt;P&gt;I recently acquired old hardware for testing purposes.&lt;/P&gt;&lt;P&gt;It includes an MSA2000 (2xMSA2012fc controllers).&lt;/P&gt;&lt;P&gt;I have 2 hosts connecting to each controller as follows:&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; host1/port0 -&amp;gt; controllerA/port0&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; host1/port1 -&amp;gt; controllerB/port0&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; host2/port0 -&amp;gt; controllerA/port1&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; host2/port1 -&amp;gt; controllerB/port1&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;The hosts use the HBA HP FC2242SR (Emulex A8003A)&lt;/P&gt;&lt;P&gt;I set up the topology to loop, and setting the host port toStraight-through, I'm able to see the LUNs on my servers.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;However, as soon as I change the host port to Interconnected, I lose connection on the fiber ports...&lt;/P&gt;&lt;P&gt;The Recieve signal registers as &lt;SPAN class="normal"&gt;Present, but the Link Status remains as Link Down&lt;/SPAN&gt;&amp;nbsp;(on the MSA web page)&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Is there anyone that could have a clue on what I might be doing wrong?&lt;/P&gt;&lt;P&gt;Any help would be greatly appreciated...&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks!&lt;/P&gt;</description>
      <pubDate>Wed, 18 Feb 2015 01:19:43 GMT</pubDate>
      <guid>https://community.hpe.com/t5/msa-storage/msa2000-host-port-interconnect/m-p/6709945#M8362</guid>
      <dc:creator>MartinR01</dc:creator>
      <dc:date>2015-02-18T01:19:43Z</dc:date>
    </item>
    <item>
      <title>Re: MSA2000 host port interconnect</title>
      <link>https://community.hpe.com/t5/msa-storage/msa2000-host-port-interconnect/m-p/6709983#M8363</link>
      <description>&lt;P&gt;loop mode is ok for direct connect, point-to-point is used for switch fabric connections.&lt;/P&gt;</description>
      <pubDate>Wed, 18 Feb 2015 06:28:22 GMT</pubDate>
      <guid>https://community.hpe.com/t5/msa-storage/msa2000-host-port-interconnect/m-p/6709983#M8363</guid>
      <dc:creator>Torsten.</dc:creator>
      <dc:date>2015-02-18T06:28:22Z</dc:date>
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