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来自http://blog.sina.com.cn/s/blog_4fcb99ae0101hhmr.html
Warning: WARNING: the kernel failed to re-read the partition table on /dev/sda (设备或资源忙). As a result, it may not reflect all of your changes until after reboot.
CentOS虚拟机下partprobe(或者partx -a)报警解决
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原文地址：http://www.cnblogs.com/ylion/p/4373953.html
