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使用fdisk工具只是将分区信息写入到磁盘,如果需要使用mkfs格式化并使用分区,则需要重新启动系统。partprobe 是一个可以修改kernel中分区表的工具,可以使kernel重新读取分区表而不用重启系统。
# partprobe
这个命令执行完毕之后不会输出任何返回信息,你可以使用mke2fs命令在新的分区上创建文件系统。
在Linux中使用fdisk命令进行分区时,有时会遇到“WARNING: Re-reading the partition table failed with error 16: Device or resource busy.The kernel still uses the old table.The new table will be used at the next reboot.”这种告警信息。
[root@rhel7 ~]# man partprobe PARTPROBE(8) GNU Parted Manual PARTPROBE(8) NAME partprobe - inform the OS of partition table changes SYNOPSIS partprobe [-d] [-s] [devices...] DESCRIPTION This manual page documents briefly the partprobe command. partprobe is a program that informs the operating system kernel of partition table changes, by requesting that the operating system re-read the partition table. OPTIONS This program uses short UNIX style options. -d Don‘t update the kernel. -s Show a summary of devices and their partitions. -h Show summary of options. -v Show version of program.
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原文地址:http://www.cnblogs.com/rusking/p/5764245.html