95 lines
6.4 KiB
HTML
95 lines
6.4 KiB
HTML
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<meta name="DC.Title" content="Operating mode of an IPL" />
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<title>Operating mode of an IPL</title>
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<body id="rzal2ipliplmodeco"><a name="rzal2ipliplmodeco"><!-- --></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">Operating mode of an IPL</h1>
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<div><p>Use the <dfn class="term">operating mode</dfn> to determine the number of
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options that are presented to the operator for consideration during and after
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the initial program load (IPL). It can also secure (lock) the control panel
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to prevent an unauthorized or inadvertent IPL from the control panel.</p>
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<p>There are four operating modes:</p>
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<dl><dt class="dlterm">Normal (unattended)</dt>
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<dd>After the power-on, operating the system in <span class="uicontrol">Normal</span> (unattended)
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mode requires no operator intervention during the IPL. <p>When you turn on
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the system in normal mode, it performs the IPL and presents the Sign On display
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on all available display stations. The operator cannot change the system during
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the IPL. Dedicated service tools (DST) and the operating system do not present
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any displays during this IPL.</p>
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<p>Use a normal mode (unattended) IPL to
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perform the following actions:</p>
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<ul><li>Perform an IPL and run the system for most routine work</li>
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<li>Perform a remote IPL</li>
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<li>Turn on and perform an IPL by date and time</li>
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</ul>
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</dd>
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<dd class="ddexpand"> </dd>
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<dt class="dlterm">Manual (attended)</dt>
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<dd>After power-on, operating the system in <span class="uicontrol">Manual</span> (attended)
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mode means that an operator uses the control panel to direct the system for
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special needs. <p>During manual mode IPL, DST and the operating system present
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menus and prompts that allow you to make changes to the internal system environment.
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This can include entering debug mode for service representatives to diagnose
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difficult problems.</p>
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<p>Use manual mode to IPL and run the system to perform
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the following actions:</p>
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<ul><li>Change IPL options (including system values)</li>
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<li>Install the operating system</li>
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<li>Load fixes (PTFs)</li>
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<li>Make some types of system hardware upgrades</li>
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<li>Use DST (for advanced users and service only)</li>
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<li>Problem diagnosis (for advanced users and service only)</li>
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</ul>
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</dd>
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<dd class="ddexpand"> </dd>
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<dt class="dlterm">Auto (automatic)</dt>
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<dd>Use <span class="uicontrol">Auto</span> mode for an automatic remote IPL, automatic
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IPL by date and time, and an automatic IPL after a power failure.</dd>
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<dd class="ddexpand"> </dd>
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<dt class="dlterm">Secure</dt>
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<dd>Use <span class="uicontrol">Secure</span> mode to prevent use of the control panel
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to perform an IPL. This mode is not a form of IPL; it is a means to prevent
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an unauthorized or inadvertent IPL from the control panel.</dd>
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</dl>
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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="rzal2changeipl.htm" title="You can specify the type of IPL you need to perform from the system control panel.">Change your system IPL from the control panel</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="rzal2unipl.htm" title="This is the most common way to start the iSeries server. This topic provides instruction on how to start your system during normal operation.">Start the system without making configuration changes (unattended IPL)</a></div>
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<div><a href="rzal2chgipl.htm" title="Some situations might require you to enter information or change system values during an IPL. This topic provides instructions for performing a manual IPL.">Change the system during IPL (attended IPL)</a></div>
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<div><a href="rzal2chgmodetype.htm" title="By changing IPL types, the user can perform an initial program load (IPL) from the load-source media or from an alternate load source media. With this operation, the user can change IPL types to also apply fixes (PTFs). Changing the operating mode gives the user several options in controlling the IPL.">Change operating modes and IPL types</a></div>
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<div><a href="rzal2pwrtrouble.htm" title="Avoid potential problems with the power-on and power-off schedule.">Solve problems with the automatic power schedule</a></div>
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</div>
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</div>
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</body>
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