122 lines
8.4 KiB
HTML
122 lines
8.4 KiB
HTML
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<meta name="DC.Title" content="Communication options for logical partitions" />
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<meta name="abstract" content="Learn how logical partitions are able to share data between partitions or between servers." />
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<meta name="description" content="Learn how logical partitions are able to share data between partitions or between servers." />
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<title>Communication options for logical partitions</title>
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</head>
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<body id="rzaitopticonnect"><a name="rzaitopticonnect"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Communication options for logical partitions</h1>
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<div><p>Learn how logical partitions are able to share data between partitions
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or between servers.</p>
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<p>Logical partitions can use any of the following communication methods to
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interact with other partitions or servers.</p>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzaitconceptoverview.htm" title="Use this information to get the technical facts about logical partitions to find out what you need to know about your hardware, and to discover the multiple uses you can get from logical partitions.">Logical partition concepts</a></div>
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</div>
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<div class="relconcepts"><strong>Related concepts</strong><br />
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<div><a href="rzaitbus.htm" title="A bus is a conductor that is used for transmitting signals or power.">Logical partition concept: bus</a></div>
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<div><a href="rzaitchoosecomm.htm" title="Logical partitions can use any of several communication methods to interact with other partitions or servers.">Networking for logical partitions</a></div>
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<div><a href="rzaithsconn.htm" title="High-Speed link (HSL) OptiConnect provides high speed system-to-system communication.">HSL OptiConnect</a></div>
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<div><a href="rzaitspdconn.htm" title="SPD OptiConnect allows a partition to communicate with another server or another partition that also has the OptiConnect hardware.">SPD OptiConnect</a></div>
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</div>
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<div class="reltasks"><strong>Related tasks</strong><br />
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<div><a href="rzaithardwarereq.htm" title="Understand the basic hardware concepts and requirements to partition your server.">Hardware for logical partitions</a></div>
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</div>
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<div class="relinfo"><strong>Related information</strong><br />
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<div><a href="../rzau3/rzau3kickoff.htm">Opticonnect</a></div>
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</div>
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</div><div class="nested1" xml:lang="en-us" id="virtualethernet"><a name="virtualethernet"><!-- --></a><h2 class="topictitle2">Virtual Ethernet</h2>
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<div><p><br /><img src="rzait519.gif" alt="Picture of the iSeries using the virtual Ethernet technology." /><br /> </p>
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<p>Virtual Ethernet enables you to establish communication via TCP/IP between
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logical partitions. For each of the 16 ports enabled, the system will create
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a virtual Ethernet communications port, such as CMNxx with a resource type
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of 268C. Logical partitions assigned to the same virtual Ethernet then become
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available to communicate through that link. A physical system allows you to
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configure up to 16 different virtual local area networks. Virtual ethernet
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provides the same function as using a 1Gb Ethernet adapter. Token Ring or
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Ethernet 10Mbps and 100Mbps local area networks are not supported with virtual
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Ethernet. Virtual Ethernet requires V5R1 and later releases and can be used
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without any additional hardware or software.</p>
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<p>For a scenario illustrating how you can set up Virtual Ethernet on your
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server, see Create a Virtual Ethernet for interpartition communications.</p>
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</div>
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</div>
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<div class="nested1" xml:lang="en-us" id="high-speedlinkhslopticonnect"><a name="high-speedlinkhslopticonnect"><!-- --></a><h2 class="topictitle2">High-Speed link (HSL) OptiConnect</h2>
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<div><p><br /><img src="rzait521.gif" alt="" /><br /> </p>
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<p>High-Speed link (HSL) OptiConnect provides high speed system-to-system
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communication for PCI-based models. It requires standard HSL cables, but no
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additional hardware is required. To use HSL OptiConnect, you need to purchase
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OptiConnect for <span class="keyword">i5/OS™</span> software
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(a priced optional feature). The OptiConnect software will choose the Virtual
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OptiConnect path over a HSL or SPD OptiConnect external path if multiple paths
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are available.</p>
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<p>You may enable HSL OptiConnect to other systems at any time for any partition
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within the system. But, you must install OptiConnect for <span class="keyword">i5/OS</span> software
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before this feature can be used. When you enable or disable HSL OptiConnect,
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the changes take effect immediately.</p>
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</div>
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</div>
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<div class="nested1" xml:lang="en-us" id="vitrualopticonnect"><a name="vitrualopticonnect"><!-- --></a><h2 class="topictitle2">Virtual OptiConnect</h2>
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<div><p> <br /><img src="rzait520.gif" alt="Picture of the iSeries sing virtual OptiConnect technology." /><br /> </p>
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<p>Virtual OptiConnect emulates external OptiConnect hardware by providing
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a virtual bus between logical partitions. You can use virtual OptiConnect
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without any additional hardware requirements. To use virtual OptiConnect,
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you only need to purchase OptiConnect for <span class="keyword">i5/OS</span> (a
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priced optional feature).</p>
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<p>The OptiConnect software will choose the virtual OptiConnect path over
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a HSL or SPD OptiConnect external path if multiple paths are available.</p>
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<p>You may enable Virtual OptiConnect for a logical partition at any time.
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But, you must install OptiConnect for <span class="keyword">i5/OS</span> software
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before this feature can be used. When you enable or disable Virtual OptiConnect,
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the changes take effect immediately.</p>
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</div>
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</div>
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<div class="nested1" xml:lang="en-us" id="spdopticonnect"><a name="spdopticonnect"><!-- --></a><h2 class="topictitle2">SPD OptiConnect</h2>
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<div><p><br /><img src="rzait522.gif" alt="Picture of several iSeries servers using SPD OptiConnect technology." /><br /> </p>
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<p>SPD OptiConnect is a combination of hardware and software that allows you
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to connect multiple high-end iSeries™ servers through a high-speed, fiber-optic
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bus. This combination of optical bus speeds and efficient software makes OptiConnect
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a viable solution, providing multiple routes to the database. You can run
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both APPC or TCP/IP communications protocols over OptiConnect. TCP/IP support
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was added to OptiConnect beginning with OS/400<sup>®</sup> or <span class="keyword">i5/OS</span> V4R4.</p>
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<p>In order to use OptiConnect, you must purchase the hardware and OptiConnect
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for <span class="keyword">i5/OS</span> (a priced feature).</p>
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<p>For each logical partition that participates in external OptiConnect, you
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need a dedicated bus. You can not assign this bus as shared.</p>
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<p>For more information about OptiConnect, see OptiConnect for OS/400.</p>
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<p>Back to hardware for logical partitions.</p>
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</div>
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</div>
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</body>
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</html>
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