linux 磁盘读写检查

<p><strong>找一个磁盘目录空间足够的用来做临时磁盘读写，正常运行的生产环境谨慎进行磁盘读写检查，以免影响正常的业务运行</strong></p> <ul> <li> <h4>写入测试</h4> <p><code>dd if=/dev/zero of=test bs=64k count=4k oflag=dsync</code> <img src="http://60.191.64.5:16100/server/index.php?s=/api/attachment/visitFile/sign/bbf74815a955de2342b1773c129918fc" alt="" /> 正常写速度：机械磁盘在 50 MB/s~90 MB/s，固态硬盘在 150 MB/s-300 MB/s</p> </li> <li> <h4>读取测试</h4> <p><code>dd if=test of=/dev/zero bs=64k count=4k oflag=dsync</code> <img src="http://60.191.64.5:16100/server/index.php?s=/api/attachment/visitFile/sign/ca1ebb9203ed2c42b001854d43e781fc" alt="" /></p> </li> </ul>