127 lines
6.6 KiB
HTML
127 lines
6.6 KiB
HTML
<?xml version="1.0" encoding="UTF-8"?>
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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="Scenario: Workstation allocation" />
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<meta name="abstract" content="The following is an example of how two workstations are allocated to two different subsystems." />
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<meta name="description" content="The following is an example of how two workstations are allocated to two different subsystems." />
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<meta name="DC.Relation" scheme="URI" content="rzakswhathappenssbsstarts.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzakssbsasignuser.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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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Scenario: Workstation allocation</title>
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</head>
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<body id="rzakswrkstatnallocationexmpl"><a name="rzakswrkstatnallocationexmpl"><!-- --></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">Scenario: Workstation allocation</h1>
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<div><p>The following is an example of how two workstations are allocated
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to two different subsystems.</p>
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<p>In this scenario, subsystem A and subsystem B have workstations DSP01 and
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DSP02 in their subsystem descriptions (the workstation entries specify <span class="parmname">AT</span>(*SIGNON)).</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="void" border="1" rules="all"><thead align="left"><tr><th valign="top" id="d0e23">Device Name</th>
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<th valign="top" id="d0e25">Allocated to</th>
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</tr>
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</thead>
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<tbody><tr><td valign="top" headers="d0e23 ">DSP01</td>
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<td valign="top" headers="d0e25 ">Subsystem A</td>
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</tr>
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<tr><td valign="top" headers="d0e23 ">DSP02</td>
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<td valign="top" headers="d0e25 ">Subsystem A</td>
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</tr>
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</tbody>
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</table>
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</div>
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<p>Assume that both workstations are varied on when subsystem A is started.</p>
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<p> Subsystem A allocates both workstations and shows the signon display
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on both. Even though subsystem A has the signon display shown on the workstations,
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they can be allocated by another subsystem or job; the workstation will then
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no longer be available to subsystem A.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="void" border="1" rules="all"><thead align="left"><tr><th valign="top" id="d0e48">Device Name</th>
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<th valign="top" id="d0e50">Allocated to</th>
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</tr>
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</thead>
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<tbody><tr><td valign="top" headers="d0e48 ">DSP01</td>
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<td valign="top" headers="d0e50 ">USER1</td>
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</tr>
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<tr><td valign="top" headers="d0e48 ">DSP02</td>
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<td valign="top" headers="d0e50 ">Subsystem A</td>
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</tr>
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</tbody>
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</table>
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</div>
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<p>When a user (USER1) signs on to workstation DSP01, the device is allocated
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to USER1's job, which is running in subsystem A. Workstation DSP02 is still
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at the signon display. Thus it can be allocated by another subsystem or job.
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It is then no longer available to subsystem A.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="void" border="1" rules="all"><thead align="left"><tr><th valign="top" id="d0e71">Device Name</th>
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<th valign="top" id="d0e73">Allocated to</th>
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</tr>
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</thead>
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<tbody><tr><td valign="top" headers="d0e71 ">DSP01</td>
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<td valign="top" headers="d0e73 ">USER1</td>
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</tr>
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<tr><td valign="top" headers="d0e71 ">DSP02</td>
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<td valign="top" headers="d0e73 ">Subsystem B</td>
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</tr>
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</tbody>
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</table>
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</div>
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<p>Subsystem B is started. Because USER1 has signed on to workstation DSP01,
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subsystem B cannot allocate the device. Subsystem B requests allocation of
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the device when it becomes available. DSP02 is allocated to subsystem B because
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no one has signed on to it in subsystem A. Any jobs started on DSP02 will
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run in subsystem B.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="void" border="1" rules="all"><thead align="left"><tr><th valign="top" id="d0e94">Device Name</th>
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<th valign="top" id="d0e96">Allocated to</th>
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</tr>
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</thead>
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<tbody><tr><td valign="top" headers="d0e94 ">DSP01</td>
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<td valign="top" headers="d0e96 ">Subsystem A</td>
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</tr>
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<tr><td valign="top" headers="d0e94 ">DSP02</td>
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<td valign="top" headers="d0e96 ">Subsystem B</td>
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</tr>
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</tbody>
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</table>
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</div>
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<p>USER1 signs off. Because the user job was running in subsystem A, that
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subsystem displays the signon display so that another user can sign on the
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workstation and run in subsystem A. If subsystem A is ended, workstation DSP01
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is allocated by subsystem B (because it has an outstanding request to allocate
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the device.)</p>
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<p>The name of the subsystem that currently has a workstation allocated appears
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in the upper right corner of the IBM-supplied signon display.</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="rzakswhathappenssbsstarts.htm" title="When a subsystem starts, the system allocates several items and starts autostart and prestart jobs before the subsystem is ready for work.">How a subsystem starts</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="rzakssbsasignuser.htm" title="This topic section discusses several techniques that can be used for assigning device names and then associating those device names with users. After this is accomplished, you can use the workstation entries to get the user to the correct subsystem.">Assigning users to a specific subsystem</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="../rzaiw/rzaiwprogramtypes.htm">Use Telnet exit point programs</a></div>
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</div>
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</div>
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</body>
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</html> |