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<page xmlns="http://projectmallard.org/1.0/" type="topic" style="task" id="disk-check" xml:lang="ja">
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<info>
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<link type="guide" xref="disk"/>
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<credit type="author">
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<name>GNOME ドキュメンテーションプロジェクト</name>
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<email>gnome-doc-list@gnome.org</email>
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</credit>
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<credit type="author">
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<name>Natalia Ruz Leiva</name>
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<email>nruz@alumnos.inf.utfsm.cl</email>
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</credit>
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<credit type="editor">
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<name>Michael Hill</name>
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<email>mdhillca@gmail.com</email>
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</credit>
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<revision pkgversion="3.4.0" date="2012-02-19" status="review"/>
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<revision pkgversion="3.13.91" date="2014-09-05" status="review"/>
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<desc>Test your hard disk for problems to make sure that it’s healthy.</desc>
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<include xmlns="http://www.w3.org/2001/XInclude" href="legal.xml"/>
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<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
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<mal:name>松澤 二郎</mal:name>
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<mal:email>jmatsuzawa@gnome.org</mal:email>
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<mal:years>2011, 2012, 2013, 2014, 2015</mal:years>
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</mal:credit>
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<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
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<mal:name>赤星 柔充</mal:name>
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<mal:email>yasumichi@vinelinux.org</mal:email>
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<mal:years>2011, 2012</mal:years>
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</mal:credit>
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<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
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<mal:name>Kentaro KAZUHAMA</mal:name>
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<mal:email>kazken3@gmail.com</mal:email>
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<mal:years>2012</mal:years>
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</mal:credit>
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<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
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<mal:name>Shushi Kurose</mal:name>
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<mal:email>md81bird@hitaki.net</mal:email>
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<mal:years>2012</mal:years>
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</mal:credit>
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<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
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<mal:name>Noriko Mizumoto</mal:name>
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<mal:email>noriko@fedoraproject.org</mal:email>
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<mal:years>2013, 2014</mal:years>
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</mal:credit>
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<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
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<mal:name>坂本 貴史</mal:name>
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<mal:email>o-takashi@sakamocchi.jp</mal:email>
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<mal:years>2013, 2014</mal:years>
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</mal:credit>
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<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
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<mal:name>日本GNOMEユーザー会</mal:name>
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<mal:email>http://www.gnome.gr.jp/</mal:email>
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<mal:years>2011, 2012</mal:years>
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</mal:credit>
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</info>
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<title>Check your hard disk for problems</title>
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<section id="disk-status">
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<title>Checking the hard disk</title>
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Hard disks have a built-in health-check tool called <app>SMART</app>
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(Self-Monitoring, Analysis, and Reporting Technology), which continually
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checks the disk for potential problems. SMART also warns you if the disk
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is about to fail, helping you avoid loss of important data.
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Although SMART runs automatically, you can also check your disk’s
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health by running the <app>Disks</app> application:
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<steps>
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<title>Check your disk’s health using the Disks application</title>
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<item>
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Open <app>Disks</app> from the <gui>Activities</gui> overview.
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</item>
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<item>
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Select the disk you want to check from the list of storage devices on
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the left. Information and status of the disk will be shown.
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</item>
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<item>
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Click the menu button and select <gui>SMART Data & Self-Tests…</gui>.
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The <gui>Overall Assessment</gui> should say “Disk is OK”.
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</item>
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<item>
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See more information under <gui>SMART Attributes</gui>, or click the
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<gui style="button">Start Self-test</gui> button to run a self-test.
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</item>
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</steps>
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</section>
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<section id="disk-not-healthy">
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<title>What if the disk isn’t healthy?</title>
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Even if the <gui>Overall Assessment</gui> indicates that the disk
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isn’t healthy, there may be no cause for alarm. However, it’s better
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to be prepared with a <link xref="backup-why">backup</link> to prevent data
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loss.
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If the status says “Pre-fail”, the disk is still reasonably healthy but
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signs of wear have been detected which mean it might fail in the near future.
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If your hard disk (or computer) is a few years old, you are likely to see
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this message on at least some of the health checks. You should
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<link xref="backup-how">backup your important files regularly</link> and check
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the disk status periodically to see if it gets worse.
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If it gets worse, you may wish to take the computer/hard disk to a
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professional for further diagnosis or repair.
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</section>
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</page>
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