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	<title>FAQ Book &#187; badblocks</title>
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		<title>Linux 硬碟壞軌測試 (badblocks)</title>
		<link>https://blog.faq-book.com/?p=3816</link>
		<comments>https://blog.faq-book.com/?p=3816#comments</comments>
		<pubDate>Sun, 20 Nov 2011 23:50:39 +0000</pubDate>
		<dc:creator>Derek</dc:creator>
				<category><![CDATA[badblocks]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[壞軌]]></category>
		<category><![CDATA[硬碟壞軌]]></category>
		<category><![CDATA[硬碟壞軌測試]]></category>

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		<description><![CDATA[<p>&nbsp;</p>
<p class="MsoNormal">一、 <span style="font-family: 細明體" lang="EN-US">badblocks</span>介紹</p>
<p class="MsoNormal"><span lang="EN-US">badblocks</span><span style="font-family: 細明體">是<span lang="EN-US">Unix-like</span>作業系統下用來檢查類似於磁碟分區這樣的設備上是否存在壞道的命令行程序，其功能</span><span style="font-family: 細明體">類似於</span><span style="font-family: 細明體" lang="EN-US">Microsoft Windows</span><span style="font-family: 細明體">或</span><span style="font-family: 細明體" lang="EN-US">DOS</span><span style="font-family: 細明體">作業系統中的</span><span style="font-family: 細明體" lang="EN-US">SCANDISK</span><span style="font-family: 細明體">或</span><span style="font-family: 細明體" lang="EN-US">CHKDSK</span><span style="font-family: 細明體">。運行後</span><span style="font-family: 細明體" lang="EN-US">badblocks</span><span style="font-family: 細明體">會給出一份設備上存在問</span><span style="font-family: 細明體">題的區塊（</span><span style="font-family: 細明體" lang="EN-US">block</span><span style="font-family: 細明體">）列表。</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">badblocks</span><span style="font-family: 細明體">在大多數情況下需要配合<span lang="EN-US">e2fsck</span>或<span lang="EN-US">mke2fs</span>使用，此時需要專門指定合適的<span lang="EN-US">&#8220;-b&#8221;</span>參數，也就是<span lang="EN-US">badblock</span></span>所讀取的區塊大小（<span lang="EN-US">block-size</span>）。因此，用戶應該通過執行<span lang="EN-US">e2fsck</span>或<span lang="EN-US">mke2fs</span>時加上<span lang="EN-US">&#8220;-c&#8221;</span>參數來調用<span lang="EN-US">badblocks</span>，而不是直接使用<span lang="EN-US">badblocks</span>。</p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span style="font-family: 細明體">詳細介紹可參考 <a href="http:// http://zh.wikipedia.org/wiki/Badblocks">維基百科</a></span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span style="font-family: 細明體">二、 <span lang="EN-US">badblocks </span>測試說明</span></p>
<p class="MsoNormal"><span lang="EN-US">1. badblocks</span><span style="font-family: 細明體">實作測試</span></p>
<p class="MsoNormal"><span lang="EN-US">1.1 badblocks</span><span style="font-family: 細明體">語法說明</span></p>
<table style="width: 595px" border="1" cellspacing="0" cellpadding="0">
<tbody>
<tr>
<td width="595">[root@localhost ~]# <span style="color: #ff0000">badblocks  [-svwnf]  [-b block-size] [-c blocks_at_once] [-i input_file] [-o output_file] [-p num_passes] [-t test_pattern ] device [last-block] [start-block]</span></td>
</tr>
</tbody>
</table>
<p>&nbsp;</p>
<p class="MsoNormal"><span lang="EN-US">1.2 </span><span style="font-family: 細明體">測試硬碟是否有壞軌</span></p>
<table style="width: 595px" border="1" cellspacing="0" cellpadding="0">
<tbody>
<tr>
<td width="595">[root@localhost ~]# <span style="color: #ff0000">badblocks -nsv /dev/sdc</span>&nbsp;</p>
<p>Checking for bad blocks in non-destructive read-write mode</p>
<p>From block 0 to 584843264</p>
<p>Checking for bad blocks (non-destructive read-write test)</p>
<p>Testing with random pattern: done</p>
<p><span style="color: #ff0000">Pass completed, 0 bad blocks found.</span>  <span style="color: #0000ff">#測試完成後會在這邊顯示有無壞軌數</span></td>
</tr>
</tbody>
</table>
<p><span style="font-family: 細明體">用此方式測試因為沒有設定重覆測試的次數，預設</span><span style="font-family: 細明體" lang="EN-US">16</span><span style="font-family: 細明體">次。若是硬碟較大的情況下會測試的比較久。</span></p>
<p class="MsoNormal"><span lang="EN-US">  <a href="https://blog.faq-book.com/?p=3816#more-3816" class="more-link">繼續閱讀 &raquo;</a></span></p>

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