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<h1 class="topictitle1">Plan your fix management strategy</h1>
<div><p><span><img src="./delta.gif" alt="Start of change" />Use this information to establish a maintenance
strategy to reduce the impact to <span class="keyword">i5/OS™</span> operations
that result from unplanned outages or program failures.<img src="./deltaend.gif" alt="End of change" /></span></p>
<p>To most people, preventive maintenance means changing the oil in your car <span><img src="./delta.gif" alt="Start of change" />every 3000 miles, rotating the tires every 10 000 miles, and
getting major maintenance done every 30 000 miles.<img src="./deltaend.gif" alt="End of change" /></span> This is the standard
maintenance strategy automobile manufacturers suggest for new vehicles to
prevent expensive problems.</p>
<p>IBM has similar guidelines to help you develop an effective program maintenance
strategy. These guidelines are intended to provide basic program maintenance
definitions, information, and direction for new users or for those who currently
do not have a program maintenance strategy in place.</p>
<div class="section" id="rzam8fixstrategy__whyos400maintstratrecmd"><a name="rzam8fixstrategy__whyos400maintstratrecmd"><!-- --></a><h4 class="sectiontitle">Why an <span class="keyword">i5/OS</span> maintenance
strategy is recommended</h4><p>Three out of four defect-related problems
that are reported are rediscoveries of previously reported problems. Many
users may have avoided the problem or outage if the available fix had been
applied to their system. Unplanned outages have a tremendous impact on employee
productivity, business operations, and revenue.</p>
</div>
<div class="section" id="rzam8fixstrategy__recommendsetupaneffectmaintstrat"><a name="rzam8fixstrategy__recommendsetupaneffectmaintstrat"><!-- --></a><h4 class="sectiontitle">Recommendations for
setting up an effective maintenance strategy</h4><p><img src="./delta.gif" alt="Start of change" />Unfortunately,
there is no single recommendation for fix maintenance. Each system or environment
must be assessed individually. Use the Fix Maintenance Advisor to help you
determine a strategy for preventive maintenance that is based on your iSeries™ environment
and applications. As you develop your strategy, here are some questions that
you need to consider:<img src="./deltaend.gif" alt="End of change" /></p>
<ul><li>What are you doing to prevent unexpected failures associated with <span class="keyword">i5/OS</span> licensed programs, including
interruptions to communications networks or unscheduled outages on your iSeries servers?</li>
<li>Is your standard approach to program maintenance reactive, that is, you
apply corrective fixes when failures occur?</li>
<li>Do you have a preventive maintenance strategy in place for your iSeries servers?</li>
<li>Is your system in a 24x7 production environment that requires maximum
availability, or is it limited to testing new applications and used only during
prime shift Monday through Friday by a limited set of programmers?</li>
<li>Is your server on a new software release or on a release that has proven
stable in your environment?</li>
<li>What would be the tolerance and cost to the business of an unexpected
system outage?</li>
</ul>
<p><img src="./delta.gif" alt="Start of change" />Your preventive maintenance schedule might resemble the
following tasks:<img src="./deltaend.gif" alt="End of change" /></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><thead align="left"><tr><th valign="top" width="20%" id="d0e75">Time frame</th>
<th valign="top" width="80%" id="d0e77">Tasks</th>
</tr>
</thead>
<tbody><tr><td valign="top" width="20%" headers="d0e75 ">Daily</td>
<td valign="top" width="80%" headers="d0e77 "> <ul><li>Run backup procedure</li>
<li>Apply individual fixes as needed</li>
</ul>
</td>
</tr>
<tr><td valign="top" width="20%" headers="d0e75 ">Weekly</td>
<td valign="top" width="80%" headers="d0e77 "> <ul><li>Order and review Preventive Service Planning (PSP)</li>
<li>Order and apply necessary HIPER PTFs</li>
<li>Print and review hardware error log (PRTERRLOG)</li>
</ul>
</td>
</tr>
<tr><td valign="top" width="20%" headers="d0e75 ">Monthly for a changing server or quarterly for a stable server</td>
<td valign="top" width="80%" headers="d0e77 "> <ul><li>Order current cumulative PTF packages (SF99vrm) or PTF Group packages
(SF99nnn) and apply</li>
<li>Do a complete system save</li>
<li>Perform system cleanup functions</li>
</ul>
</td>
</tr>
<tr><td colspan="2" valign="top" headers="d0e75 d0e77 "><div class="note"><span class="notetitle">Notes:</span> </div>
<ol><li>In a stable environment, think about installing the most recent cumulative
PTF package every three to four months.</li>
<li>Consider installing the most recent cumulative PTF package before making
major changes to your system (hardware or software).</li>
<li>If you require an excessive number of corrective service fixes, consider
installing cumulative PTF packages more frequently.</li>
</ol>
</td>
</tr>
</tbody>
</table>
</div>
<p>When you establish a maintenance strategy, you can reduce the effect
on the <span class="keyword">i5/OS</span> operations
that result from unplanned outages or program failures. When you use a program
maintenance strategy that is appropriate for your environment, you can provide
optimal system performance and availability.</p>
</div>
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<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="rzam8fix1.htm" title="Keep your operating system and other software current with fixes (or program temporary fixes, PTFs). Fixes play an important part in your system's maintenance strategy. Your maintenance strategy can reduce system downtime, add functionality, and provide optimal availability.">Use software fixes</a></div>
</div>
<div class="relinfo"><strong>Related information</strong><br />
<div><a href="http://www.ibm.com/servers/eserver/support/iseries/fixes/guide/index.html" target="_blank">Guide to Fixes</a></div>
<div><a href="http://www.ibm.com/eserver/iseries/support/s_dir/slkbase.nsf/docnumber/14854405?OpenDocument" target="_blank">PTF Maintenance Strategy</a></div>
<div><a href="http://www.ibm.com/servers/eserver/support/iseries/ " target="_blank">IBM eServer iSeries Support</a></div>
</div>
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