68 lines
4.6 KiB
HTML
68 lines
4.6 KiB
HTML
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<meta name="DC.Type" content="concept" />
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<meta name="DC.Title" content="Shorten hardware maintenance and upgrade windows" />
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<meta name="abstract" content="By effectively planning hardware maintenance and upgrades, you can greatly reduce and even eliminate the impact of these activities to availability of your server." />
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<title>Shorten hardware maintenance and upgrade windows</title>
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</head>
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<body id="rzalwhw_upgrade"><a name="rzalwhw_upgrade"><!-- --></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">Shorten hardware maintenance and upgrade windows</h1>
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<div><p>By effectively planning hardware maintenance and upgrades, you
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can greatly reduce and even eliminate the impact of these activities to availability
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of your server.</p>
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<p>There are times when you need to perform routine maintenance on your hardware
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or increase the capacity of your hardware. These operations can be disruptive
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to your business. </p>
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<p>If you are performing a system upgrade, be sure that you do careful planning
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before you begin. The more carefully you plan for your new server, the faster
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the upgrade will go. For more details on the planning process, see <a href="../rzamd/rzamd1.htm">Upgrades</a>.</p>
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<div class="section"><img src="./delta.gif" alt="Start of change" /><h4 class="sectiontitle">Concurrent maintenance</h4><p>Many hardware components on the iSeries system can be replaced, added, or
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removed concurrently while the system is operating. For example, the ability
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to "hot plug" is supported for PCI card slots, disk slots, and redundant fans
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and power supplies. Concurent maintenance improves the availability of the
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system and allows you to perform certain upgrades, maintenance,
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or repairs without impacting the users of the system.</p>
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<p>For details on
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concurrent maintenance, see <a href="../rzaly/rzalycmaintdef.htm">Concurrent maintenance</a>.</p>
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<img src="./deltaend.gif" alt="End of change" /></div>
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<div class="section"><h4 class="sectiontitle">Capacity on Demand</h4><p>With IBM<sup>®</sup> eServer™ Capacity on Demand, you can activate
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additional processors and pay only for the new processing power as your needs
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grow. You can increase your processing capacity without disrupting any of
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your current operations.</p>
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<p>Capacity on Demand is a feature that offers
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the capability to nondisruptively activate one or more central processors
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of your server. Capacity on Demand adds capacity in increments of one processor,
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up to the maximum number of stand-by processors built into your model. Capacity
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on Demand has significant value for installations where you want to upgrade
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without disruption.</p>
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<p>For more information on this feature, see <a href="../rzatq/rzatqcodparent.htm">Capacity on Demand</a>.</p>
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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="rzalwshorten_planned.htm" title="Planned outages are necessary and are expected; however, because they are planned does not mean they are nondisruptive. Planned outages are often related to system maintenance.">Shorten planned outages</a></div>
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</div>
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</div>
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</body>
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