110 lines
8.1 KiB
HTML
110 lines
8.1 KiB
HTML
|
<?xml version="1.0" encoding="UTF-8"?>
|
||
|
|
<!DOCTYPE html
|
||
|
|
PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
||
|
|
<html lang="en-us" xml:lang="en-us">
|
||
|
|
<head>
|
||
|
|
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
|
||
|
|
<meta name="security" content="public" />
|
||
|
|
<meta name="Robots" content="index,follow" />
|
||
|
|
<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
|
||
|
|
<meta name="DC.Type" content="task" />
|
||
|
|
<meta name="DC.Title" content="Initial time zone setting" />
|
||
|
|
<meta name="abstract" content="During the initial startup, the operating system sets the initial time zone." />
|
||
|
|
<meta name="description" content="During the initial startup, the operating system sets the initial time zone." />
|
||
|
|
<meta name="DC.Relation" scheme="URI" content="rzatitimezone.htm" />
|
||
|
|
<meta name="DC.Relation" scheme="URI" content="../rzakz/rzakzqtimzon.htm" />
|
||
|
|
<meta name="DC.Relation" scheme="URI" content="../rzakz/rzakzqutcoffset.htm" />
|
||
|
|
<meta name="DC.Relation" scheme="URI" content="rzaticreatetzprop.htm" />
|
||
|
|
<meta name="DC.Relation" scheme="URI" content="rzatisettzduringipl.htm" />
|
||
|
|
<meta name="DC.Relation" scheme="URI" content="rzatisetoffset.htm" />
|
||
|
|
<meta name="DC.Relation" scheme="URI" content="rzatiwrongtime.htm" />
|
||
|
|
<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
|
||
|
|
<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 1998, 2006" />
|
||
|
|
<meta name="DC.Format" content="XHTML" />
|
||
|
|
<meta name="DC.Identifier" content="rzatidefaulttimezone" />
|
||
|
|
<meta name="DC.Language" content="en-us" />
|
||
|
|
<!-- All rights reserved. Licensed Materials Property of IBM -->
|
||
|
|
<!-- US Government Users Restricted Rights -->
|
||
|
|
<!-- Use, duplication or disclosure restricted by -->
|
||
|
|
<!-- GSA ADP Schedule Contract with IBM Corp. -->
|
||
|
|
<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
|
||
|
|
<link rel="stylesheet" type="text/css" href="./ic.css" />
|
||
|
|
<title>Initial time zone setting</title>
|
||
|
|
</head>
|
||
|
|
<body id="rzatidefaulttimezone"><a name="rzatidefaulttimezone"><!-- --></a>
|
||
|
|
<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
|
||
|
|
<h1 class="topictitle1">Initial time zone setting</h1>
|
||
|
|
<div><p>During the initial startup, the operating system sets the initial
|
||
|
|
time zone.</p>
|
||
|
|
<div class="section"><p>There is no shipped default value for the time zone (QTIMZON)
|
||
|
|
system value. The time zone (QTIMZON) system value can be set in iSeries™ Navigator
|
||
|
|
and from the IPL Options display during an attended initial program load (IPL).</p>
|
||
|
|
<p>To
|
||
|
|
determine the initial value for the time zone (QTIMZON) system value, the
|
||
|
|
operating system performs the following actions:</p>
|
||
|
|
</div>
|
||
|
|
<ol><li class="stepexpand"><span>Attempts to retrieve time zone from the QWCTIMZON data area</span> <p>During the IPL of an i5/OS™ software upgrade, the operating system
|
||
|
|
will look for a data area named QWCTIMZON in the QSYS library. To create the
|
||
|
|
data area before installation, see Set the time zone before upgrading. If
|
||
|
|
the data area is found, the following steps are taken:</p>
|
||
|
|
<ol type="a"><li><span>Attempts to find a time zone description object whose name matches
|
||
|
|
the time zone description object named in the data area. If this step fails,
|
||
|
|
proceed to <a href="#rzatidefaulttimezone__stepb">1.b</a>.</span></li>
|
||
|
|
<li id="rzatidefaulttimezone__stepb"><a name="rzatidefaulttimezone__stepb"><!-- --></a><span>Attempts to find a time zone description object whose
|
||
|
|
name is derived from the offset specified in the data area. This name will
|
||
|
|
consist of the letter Q, followed by an N if the offset is negative or a P
|
||
|
|
if the offset is positive, followed by the offset hours and minutes, and finally
|
||
|
|
by the letters UTCS. For example, if the offset specified in the data area
|
||
|
|
is -06:00, the operating system will attempt to find a time zone description
|
||
|
|
named QN0600UTCS. Note that if the offset is zero, the character representing
|
||
|
|
the sign ('N' or 'P') will be omitted, and the name used is Q0000UTC. If this
|
||
|
|
step fails, proceed to <a href="#rzatidefaulttimezone__stepc">1.c</a>.</span></li>
|
||
|
|
<li id="rzatidefaulttimezone__stepc"><a name="rzatidefaulttimezone__stepc"><!-- --></a><span>Attempts to create a new time zone description whose
|
||
|
|
name and offset match the information specified in the data area. This time
|
||
|
|
zone description does not support DST. For example, if the data area specified
|
||
|
|
is -05:15MYTIMEZONE, the operating system will attempt to create a time zone
|
||
|
|
description named MYTIMEZONE with an offset of negative five hours and 15
|
||
|
|
minutes. If this step fails, proceed to <a href="#rzatidefaulttimezone__step2">2</a>.</span></li>
|
||
|
|
</ol>
|
||
|
|
</li>
|
||
|
|
<li class="stepexpand" id="rzatidefaulttimezone__step2"><a name="rzatidefaulttimezone__step2"><!-- --></a><span>Attempts to retrieve time zone from the offset from
|
||
|
|
UTC (QUTCOFFSET) system value</span> <p>If the data area QWCTIMZON does
|
||
|
|
not exist, or the preceding steps fail, the operating system will attempt
|
||
|
|
to use the value specified in the offset from UTC (QUTCOFFSET) system value.
|
||
|
|
The following steps are performed:</p>
|
||
|
|
<ol type="a"><li id="rzatidefaulttimezone__step2a"><a name="rzatidefaulttimezone__step2a"><!-- --></a><span>Attempts to find a time zone description object
|
||
|
|
whose name is derived from the offset specified in the offset from UTC (QUTCOFFSET)
|
||
|
|
system value. See <a href="#rzatidefaulttimezone__stepb">1.b</a> for
|
||
|
|
information about how this name is derived. If this step fails, proceed to <a href="#rzatidefaulttimezone__step2b">2.b</a>.</span></li>
|
||
|
|
<li id="rzatidefaulttimezone__step2b"><a name="rzatidefaulttimezone__step2b"><!-- --></a><span>Attempts to create a new time zone description whose
|
||
|
|
name was derived in the previous step <a href="#rzatidefaulttimezone__step2a">2.a</a> and whose offset matches the information specified
|
||
|
|
in the offset from UTC (QUTCOFFSET) system value. This time zone description
|
||
|
|
will not support daylight saving time.</span></li>
|
||
|
|
</ol>
|
||
|
|
</li>
|
||
|
|
</ol>
|
||
|
|
<div class="section"><p>If all of the preceding steps fail, the time zone
|
||
|
|
(QTIMZON) system value will not be set. In iSeries Navigator, the time zone field
|
||
|
|
is blank, and in the character-based interface, the time zone parameter is
|
||
|
|
set to *N (not available). In addition, the offset from coordinated universal
|
||
|
|
time (UTC) is set to 0. Then, the system's local system time is set to the
|
||
|
|
current coordinated universal time (UTC).</p>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div>
|
||
|
|
<div class="familylinks">
|
||
|
|
<div class="parentlink"><strong>Parent topic:</strong> <a href="rzatitimezone.htm" title="Use this information to understand the time zones that are included with the system and their properties. You can use one of the time zones included with the system or create your own.">Time zone</a></div>
|
||
|
|
</div>
|
||
|
|
<div class="reltasks"><strong>Related tasks</strong><br />
|
||
|
|
<div><a href="rzaticreatetzprop.htm" title="Use this method if you have a previous release of i5/OS installed and are upgrading to i5/OS V5R3 or later. This is the preferred method, if you have a previous release already installed, because your time zone will be set correctly as soon as you upgrade.">Set the time zone before upgrading</a></div>
|
||
|
|
<div><a href="rzatisettzduringipl.htm" title="Use this method to set the time zone system value during an attended initial program load (IPL) of V5R3 or later. This is the preferred method if you are installing software on a new i5/OS server or partition because it ensures that the time zone will be set correctly as soon as you complete the IPL.">Set the time zone during an attended IPL</a></div>
|
||
|
|
<div><a href="rzatisetoffset.htm" title="">Offset from UTC was incorrectly set during the installation of the i5/OS operating system</a></div>
|
||
|
|
<div><a href="rzatiwrongtime.htm">System time is incorrect and jobs are not running with the proper time</a></div>
|
||
|
|
</div>
|
||
|
|
<div class="relref"><strong>Related reference</strong><br />
|
||
|
|
<div><a href="../rzakz/rzakzqtimzon.htm">Time zone (QTIMZON) system value</a></div>
|
||
|
|
<div><a href="../rzakz/rzakzqutcoffset.htm">Offset from UTC(QUTCOFFSET) system value</a></div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</body>
|
||
|
|
</html>
|