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<title>System values that control IPL</title>
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<body id="rzal2iplsys"><a name="rzal2iplsys"><!-- --></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">System values that control IPL</h1>
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<div><p>You can use the system values discussed in this topic to control
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the type of initial program load (IPL) and the way the system does an IPL.</p>
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<p>You can now work with all system values in iSeries™ Navigator. To work with system
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values 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">System Values</span></span>.
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If you do not have an iSeries Navigator connection, you can still use these
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system values through the character-based interface. From the character-based
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interface, change or display these values using the Work with System Values
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(WRKSYSVAL) command.</p>
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<div class="section"><h4 class="sectiontitle">Allow scheduled restart (QIPLDATTIM)</h4><p>The Allow scheduled
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restart (QIPLDATTIM) system value sets the date and time for a scheduled restart.
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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">System Values</span> > <span class="uicontrol">Restart</span> > <span class="uicontrol"> General</span></span>.</p>
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<p>To set the date and time
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format, use the Date and Time (QDATFMT, QDATSEP, QTIMSEP) system values.</p>
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</div>
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<div class="section"><h4 class="sectiontitle">Previous restart type (QIPLSTS)</h4><p>The Previous restart
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type system value displays the way the system did the last IPL. You cannot
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change this system value. In iSeries Navigator, select your system <span class="menucascade"><span class="uicontrol"></span> > <span class="uicontrol">Configuration and Service</span> > <span class="uicontrol">System
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Values</span> > <span class="uicontrol">Restart</span> > <span class="uicontrol">Previous</span></span>. When needed, use the help associated with the display.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><tbody><tr><th valign="top" width="50%" class="firstcol" id="d0e88">Operator panel restart (0)</th>
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<td valign="top" width="50%" headers="d0e88 ">The restart operation occurred when requested from the operator panel
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or from Dedicated Service Tools (DST) for a secondary partition.</td>
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</tr>
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<tr><th valign="top" width="50%" class="firstcol" id="d0e93">Automatic restart after power restored (1)</th>
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<td valign="top" width="50%" headers="d0e93 ">The restart operation occurred automatically when power was restored
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after a power failure. You can specify this type of restart operation in the <span class="uicontrol">Restart
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options</span> on the General page.</td>
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</tr>
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<tr><th valign="top" width="50%" class="firstcol" id="d0e101">Restart (2)</th>
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<td valign="top" width="50%" headers="d0e101 ">The restart operation occurred when a user requested turning off the
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system and restarting it.</td>
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</tr>
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<tr><th valign="top" width="50%" class="firstcol" id="d0e106">Time-of-day restart (3)</th>
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<td valign="top" width="50%" headers="d0e106 ">The restart operation occurred automatically on the date and time specified
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for <span class="uicontrol">Scheduled restart</span> on the General page.</td>
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</tr>
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<tr><th valign="top" width="50%" class="firstcol" id="d0e114">Remote restart (4)</th>
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<td valign="top" width="50%" headers="d0e114 ">A remote restart operation occurred. You can specify this type of restart
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operation in the <span class="uicontrol">Restart options</span> on the General page.</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>
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<div class="section"><h4 class="sectiontitle">Type of restart (QIPLTYPE)</h4><p>The Type of restart system
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value defines the type of IPL the system does from the control panel. 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">System Values</span> > <span class="uicontrol">Restart</span> > <span class="uicontrol">General</span></span>. When needed, use the help associated
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with the display.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><tbody><tr><th valign="top" width="50%" class="firstcol" id="d0e146">Unattended (0)</th>
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<td valign="top" width="50%" headers="d0e146 ">An unattended IPL. No displays requiring user interaction are shown
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during the restart. The normal signon display is shown when the restart is
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complete. If the system is in manual mode, an attended IPL is performed instead.</td>
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</tr>
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<tr><th valign="top" width="50%" class="firstcol" id="d0e151">Attended (1)</th>
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<td valign="top" width="50%" headers="d0e151 ">An attended IPL. Start the system with an operator. All dedicated service
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tools functions are available along with the full set of restart displays.
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An unattended IPL is done if it is done remotely, by date and time, or after
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power failure.</td>
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</tr>
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<tr><th valign="top" width="50%" class="firstcol" id="d0e156">Attended, console in debug mode (2)</th>
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<td valign="top" width="50%" headers="d0e156 ">An attended IPL in debug mode. Restarts the system and leaves the controller
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QCTL and device QCONSOLE varied on. Select this only for problem analysis,
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as it prevents other devices on the workstation controller from being used.</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>
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<div class="section"><h4 class="sectiontitle">Automatically restart after power failure (QPWRRSTIPL)</h4><p>With
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the Automatically restart after power failure system value, you can specify
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whether to allow auto-restart when a power failure occurs. 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">System Values</span> > <span class="uicontrol">Restart</span> > <span class="uicontrol">General</span></span>. When needed, use the help associated
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with the display.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><tbody><tr><th valign="top" width="50%" class="firstcol" id="d0e185">Not selected (0)</th>
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<td valign="top" width="50%" headers="d0e185 ">Does not do an automatic restart after a power failure.</td>
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</tr>
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<tr><th valign="top" width="50%" class="firstcol" id="d0e190">Selected (1)</th>
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<td valign="top" width="50%" headers="d0e190 ">Does an automatic restart after a power failure.</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>
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<div class="section"><h4 class="sectiontitle">Allow remote power-on and restart (QRMTIPL)</h4><p>Use
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the Allow remote power-on and restart system value to start the remote system
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by using your telephone and a modem or the system power control network (SPCN)
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signal. This means that any telephone call causes the system to restart. 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">System Values</span> > <span class="uicontrol">Restart</span> > <span class="uicontrol">General</span></span>. When needed, use the help associated
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with the display.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><tbody><tr><th valign="top" width="50%" class="firstcol" id="d0e219">Not selected (0)</th>
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<td valign="top" width="50%" headers="d0e219 ">Does not allow a remote restart.</td>
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</tr>
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<tr><th valign="top" width="50%" class="firstcol" id="d0e224">Selected (1)</th>
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<td valign="top" width="50%" headers="d0e224 ">Allows a remote restart.</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>
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<div class="section"><h4 class="sectiontitle">When power failure occurs (QUPSDLYTIM)</h4><p>The When
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power failure occurs (QUPSDLYTIM) system value controls the length of time
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the system waits before saving main storage and turns off the system. If utility
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power is restored before the time ends, the system ends the timer. If the
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timer ends first, the system begins to save main storage or goes into continuously
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powered main storage (CPM). In iSeries Navigator, select your system <span class="menucascade"><span class="uicontrol"></span> > <span class="uicontrol">Configuration and Service</span> > <span class="uicontrol">System
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Values</span> > <span class="uicontrol">Power Control</span> > <span class="uicontrol">General</span></span>.</p>
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<p>There are five choices for the QUPSDLYTIM value.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><tbody><tr><th valign="top" width="50%" class="firstcol" id="d0e255">Automatically power down the entire system (0)</th>
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<td valign="top" width="50%" headers="d0e255 ">The system automatically turns down when system utility power fails.</td>
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</tr>
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<tr><th valign="top" width="50%" class="firstcol" id="d0e260">Power down system after time interval (1-99999)</th>
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<td valign="top" width="50%" headers="d0e260 ">Specifies the delay time in seconds before the utility power fails.</td>
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</tr>
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<tr><th valign="top" width="50%" class="firstcol" id="d0e265">Power down system, retain power on main tower (*BASIC)</th>
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<td valign="top" width="50%" headers="d0e265 ">Turns down only the processor, I/O processor cards, and load source
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storage. The appropriate wait time, in seconds, is calculated. (This must
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be used only if you have the battery power unit or an uninterruptable power
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supply without every rack being connected.)</td>
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</tr>
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<tr><th valign="top" width="50%" class="firstcol" id="d0e270">Power down system, system calculates delay time (*CALC)</th>
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<td valign="top" width="50%" headers="d0e270 ">The appropriate wait time (in seconds) is calculated. This value must
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be used only if you have a 9402 or 9404 system with a battery power unit.</td>
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</tr>
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<tr><th valign="top" width="50%" class="firstcol" id="d0e275">Do not automatically power down system (*NOMAX)</th>
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<td valign="top" width="50%" headers="d0e275 ">*NOMAX is used when a user supplied program is controlling the turning
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down of the system or a generator is providing unlimited power. The system
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does not start any action on its own.</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>
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<div class="section"><h4 class="sectiontitle">Message queue and library (QUPSMSGQ)</h4><p>Use the Message
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queue and library system value to specify where you want your messages sent
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when the power to the system is interrupted. The default values are QSYSOPR
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for the Message queue and QSYS for the library. In iSeries Navigator, select your system <span class="menucascade"><span class="uicontrol"></span> > <span class="uicontrol">Configuration and Service</span> > <span class="uicontrol">System
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Values</span> > <span class="uicontrol">Power Control</span> > <span class="uicontrol">General</span></span>. When needed, use the help associated with the display.</p>
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<p>This
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system value sends the messages to the system operator's message queue when
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power to the system is interrupted.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><tbody><tr><th valign="top" width="50%" class="firstcol" id="d0e306">Message queue</th>
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<td valign="top" width="50%" headers="d0e306 ">Specifies another message queue (in addition to the system operator's
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message queue) where messages are sent when power to the system is interrupted.</td>
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</tr>
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<tr><th valign="top" width="50%" class="firstcol" id="d0e311">Library</th>
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<td valign="top" width="50%" headers="d0e311 ">Specifies the library where the other message queue is located.</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>
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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="rzal2startstop.htm" title="The iSeries server is well known for rarely needing to be stopped or restarted. However, some maintenance items or system changes may require that the iSeries server stop processing and go through an initial program load (IPL). Stopping and starting the iSeries must be done carefully. Use this topic to review requirements and options for this process.">Start and stop the server</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="rzal2iplchgsysval.htm" title="System values control information that affects the operation of certain parts of the system. Some system values that you change do not take effect until the next initial program load (IPL); other system values take effect immediately.">Change system values during IPL</a></div>
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<div><a href="../rzakz/rzakzqipldattim.htm">Allow scheduled restart</a></div>
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<div><a href="../rzakz/rzakzqiplsts.htm">Previous restart type</a></div>
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<div><a href="../rzakz/rzakzqipltype.htm">Type of restart</a></div>
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<div><a href="../rzakz/rzakzqpwrrstipl.htm">Automatically restart after power failure</a></div>
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<div><a href="../rzakz/rzakzqrmtipl.htm">Allow remote power-on and restart</a></div>
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<div><a href="../rzakz/rzakzqupsdlytim.htm">When power failure occurs</a></div>
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<div><a href="../rzakz/rzakzqupsmsgq.htm">Message queue and library</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="../rzakz/rzakzqdatfmt.htm">Date and time (QDATFMT, QDATSEP, QTIMSEP)</a></div>
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</div>
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</div>
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