69 lines
5.9 KiB
HTML
69 lines
5.9 KiB
HTML
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<meta name="DC.Type" content="concept" />
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<meta name="DC.Title" content="Subsystem description" />
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<meta name="abstract" content="A subsystem description is a system object that contains information defining the characteristics of an operating environment controlled by the system. The system-recognized identifier for the object type is *SBSD. A subsystem description defines how, where, and how much work enters a subsystem, and which resources the subsystem uses to perform the work. An active subsystem takes on the simple name of the subsystem description." />
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<meta name="description" content="A subsystem description is a system object that contains information defining the characteristics of an operating environment controlled by the system. The system-recognized identifier for the object type is *SBSD. A subsystem description defines how, where, and how much work enters a subsystem, and which resources the subsystem uses to perform the work. An active subsystem takes on the simple name of the subsystem description." />
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<meta name="DC.Relation" scheme="URI" content="rzakschangesubsytmdesc.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2004-2006" />
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<title>Subsystem description</title>
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</head>
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<body id="rzakssbsd"><a name="rzakssbsd"><!-- --></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">Subsystem description</h1>
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<div><p>A subsystem description is a system object that contains information
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defining the characteristics of an operating environment controlled by the
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system. The system-recognized identifier for the object type is *SBSD. A subsystem
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description defines how, where, and how much work enters a subsystem, and
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which resources the subsystem uses to perform the work. An active subsystem
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takes on the simple name of the subsystem description.</p>
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<p> Like a set of detailed blueprints, each subsystem description is unique,
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containing the specific characteristics that describe the subsystem.
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The description includes where work can enter the subsystem, how much work
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the subsystem can handle, how much main storage (memory) will be used, and
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how quickly jobs in the subsystem can run. </p>
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<p>You can use a subsystem description supplied with your system (with or
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without making changes to it), or you can create your own. </p>
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</div>
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<div>
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<ul class="ullinks">
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<li class="ulchildlink"><strong><a href="rzaksaboutsbsdattributes.htm">Subsystem description attributes</a></strong><br />
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Subsystem description attributes are common overall system attributes. When you create a subsystem, the first step is to define the subsystem attributes.</li>
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<li class="ulchildlink"><strong><a href="rzaksaboutworkentries.htm">Work entries</a></strong><br />
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Work entries identify the sources where jobs can enter a subsystem. Specific types of work entries are used for different types of jobs. Work entries are part of the subsystem description.</li>
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<li class="ulchildlink"><strong><a href="rzaksaboutroutingentries.htm">Routing entries</a></strong><br />
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The routing entry identifies the main storage subsystem pool to use, the controlling program to run (typically the system-supplied program QCMD), and additional run-time information (stored in the class object). Routing entries are stored in the subsystem description.</li>
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</ul>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzaksaboutsbs.htm" title="The subsystem is where work is processed on the iSeries server. A subsystem is a single, predefined operating environment through which the system coordinates the work flow and resource use. The system can contain several subsystems, all operating independently of each other. Subsystems manage resources.">Subsystems</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="rzakschangesubsytmdesc.htm" title="The Change Subsystem Description (CHGSBSD) command changes the operational attributes of the specified subsystem description. You can change the subsystem description while the subsystem is active. To change a subsystem description, use the character based interface.">Change a subsystem description</a></div>
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<div><a href="rzakscreatesubsystemdef.htm" title="You can create a subsystem description in two ways. You can copy an existing subsystem description and change it, or you can create an entirely new description.">Create a subsystem description</a></div>
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</div>
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</div>
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</body>
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