Linux硬盘读写的相关内容

文章 2023-01-04 来自：开发者社区

LINUX下使用iostat查看硬盘读写情况

　有时候想了解一下硬盘读写情况，那么可以使用iostat来查看：1. iostat 2. 3. iostat -t 1

问答 2021-11-01 来自：开发者社区

1、先熟悉两个特殊的设备：（1）/dev/null：回收站、无底洞。（2）/dev/zero：产生字符。 2、测试磁盘写能力 time dd if=/dev/zero of=/testw.dbf bs=4k count=100000 因为/dev//zero是一个伪设备，它只产生空字符流，对它不会产生IO，所以，IO都会集中在of文件中，of文件只用于写，所以这个命令相当于测试磁盘的写能力。....

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更新时间 2023-01-05 23:24:11

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