115 lines
7.5 KiB
HTML
115 lines
7.5 KiB
HTML
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<?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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<meta name="DC.Title" content="Date and time system values: Time adjustment" />
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<meta name="abstract" content="Identifies the application to use for time maintenance. (QTIMADJ)" />
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<meta name="description" content="Identifies the application to use for time maintenance. (QTIMADJ)" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<title>Date and time system values: Time adjustment</title>
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</head>
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<body id="rzakzqtimadj"><a name="rzakzqtimadj"><!-- --></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">Date and time system values: Time adjustment</h1>
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<div><p>Identifies the application to use for time maintenance. (QTIMADJ)</p>
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<p><span class="uicontrol">Time adjustment</span>, also known as <span class="uicontrol">QTIMADJ</span>,
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is a member of the date and time category of i5/OS™ system values. You can use this system
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value to identify the software to use to adjust the system clock to keep it
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synchronized with an external time source. To learn more, keep reading.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><thead align="left"><tr><th colspan="2" valign="top" class="firstcol" id="d0e37">Quick reference</th>
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</tr>
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</thead>
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<tbody><tr><th valign="top" class="firstcol" id="d0e41" headers="d0e37 ">Location</th>
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<td valign="top" headers="d0e41 d0e37 ">In iSeries™ Navigator,
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select your system, <span class="menucascade"><span class="uicontrol"></span> > <span class="uicontrol">Configuration
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and Service</span> > <span class="uicontrol">Time Management</span> > <span class="uicontrol">Time
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Adjustment</span></span></td>
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</tr>
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<tr><th valign="top" class="firstcol" id="d0e57" headers="d0e37 ">Special authority</th>
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<td valign="top" headers="d0e57 d0e37 ">None</td>
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</tr>
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<tr><th valign="top" class="firstcol" id="d0e62" headers="d0e37 ">Default value</th>
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<td valign="top" headers="d0e62 d0e37 ">No adjustment software is specified</td>
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</tr>
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<tr><th valign="top" class="firstcol" id="d0e67" headers="d0e37 ">Changes take effect</th>
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<td valign="top" headers="d0e67 d0e37 ">Immediately</td>
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</tr>
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<tr><th valign="top" class="firstcol" id="d0e72" headers="d0e37 ">Lockable</th>
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<td valign="top" headers="d0e72 d0e37 ">No</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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<div class="section"><h4 class="sectiontitle">What can I do with this system value?</h4><p>Use the time
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adjustment (QTIMADJ) system value to identify the software to use to adjust
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the system clock to keep it synchronized with an external time source. The
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system does not enforce the software specified; it only identifies the software
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to use. This value should be maintained by the time adjustment software and
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is intended as an aid to prevent having multiple time adjustment applications
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conflict with each other. There are no checks performed by the system to verify
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this value or that this software is or is not performing time adjustments.</p>
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<p>Time
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adjustment software should check this system value prior to starting. If this
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system value has an identifier for other time adjustment software, then the
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software being started should notify the user of this potential conflict and
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confirm that this time adjustment software should be started. When there is
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not an identifier associated with this system value, the software should update
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this system value to identify that it is now responsible for adjusting the
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system clock. Time adjustment software should check this system value again
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prior to ending. This system value should be set to the value None (*NONE)
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only if the current value identifies this time adjustment software that is
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ending.</p>
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<p>You can work with time adjustment system value in iSeries Navigator
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by expanding <span class="menucascade"><span class="uicontrol">Configuration and Service</span> > <span class="uicontrol">System Values</span> > <span class="uicontrol">Date and Time</span> > <span class="uicontrol">Configuration
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and Service</span></span>. To work with the time adjustment function,
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expand <span class="menucascade"><span class="uicontrol">Time Management</span> > <span class="uicontrol">Time
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Adjustment</span></span>.</p>
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</div>
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<div class="section"><h4 class="sectiontitle">Where can I get more information about this system value?</h4><p>To
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learn more, go to the date and time system values overview topic. If you are
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looking for a specific system value or category of system values, try using
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the i5/OS system
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value finder.</p>
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<p>In addition, go to Time management to learn how to use
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the Time Management function of iSeries Navigator to work with this system
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value. The Time Management function allows you to identify a time zone for
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the system to use. You can also specify to use a time maintenance application
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to keep the system time synchronized with an external time source. </p>
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</div>
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</div>
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<div><div class="relconcepts"><strong>Related concepts</strong><br />
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<div><a href="rzakz1.htm" title="System values are pieces of information that affect the system operating environment. System values are not objects on the system. Rather, system values contain control information for the operation of certain parts of the system.">System values</a></div>
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<div><a href="rzakzdateoverview.htm" title="Use i5/OS date and time system values to control the system's date, time, and time zone information.">System values: Date and time overview</a></div>
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<div><a href="../rzati/rzatitimemainapp.htm">Time adjustment</a></div>
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<div><a href="../rzati/rzatikickoff.htm">Time management</a></div>
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<div><a href="rzakzmanage.htm" title="As an administrator, you can perform many tasks to help you manage system values. Select this topic to learn how to save, configure, and lock system values.">Manage system values</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="rzakzfinder.htm">System value finder</a></div>
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</div>
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</div>
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</body>
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</html>
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