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<h1 class="topictitle1">Linux recovery
options</h1>
<div><p>This topic discusses different Linux<sup>®</sup> recovery options.</p>
<p>In the case where a Linux server fails to start, there are options that
allow you to boot from external media and potentially recover the server.
These Linux recovery
functions include:</p>
<ul><li>Rescue diskette</li>
<li>Recovery mode CD-ROM</li>
</ul>
<p>The Rescue diskette and Recovery mode CD-ROM functions are intended to
provide you with a means of recovering a Linux server that fails to start. While
it can be possible to use either of these techniques to recover an integrated Linux server,
they are designed for standalone servers. Note that you could only use these
techniques with an Integrated xSeries<sup>®</sup> Adapter-attached xSeries server
because the xSeries can
boot directly from the diskette and CD-ROM drives. An Integrated xSeries Server
card does not have its own diskette or CD-ROM drives and therefore cannot
boot from the Rescue diskette or Recovery mode CD-ROM. </p>
<p>If you are unable to recover a failed standalone Linux server
then your only other alternative is to rebuild it. In the case of an integrated Linux server,
you should rarely, if ever, need to either use the Linux recovery options or rebuild the
server because you can save a complete image of the server using <span class="keyword">i5/OS™</span> storage space backup. In this
case, all you need to do to recover a failed server is to restore a previously
saved copy of the servers drives (storage spaces) and then restart it. Note
that you might need to also restore volatile files from your
file-level backup to make sure that the data is up-to-date. </p>
<p>You can effectively use these techniques to eliminate the need for the
Rescue diskette and Recovery mode CD-ROM options that are available to recover
a standalone Linux server.</p>
<div class="note"><span class="notetitle">Note:</span> The ability to quickly and easily recover a failed Linux server
is one of the major benefits of the Linux integration support.</div>
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<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="rzau9linuxbackup.htm" title="This topic introduces the techniques you can use to perform Linux-centric backup and recovery on an Integrated xSeries Server or Integrated xSeries Adapter running Linux.">Linux-centric backup and recovery</a></div>
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