partprobe命令
partprobe: 通知系统分区表的变化
常用的命令展示：
查看帮助
[root@localhost omc]# partprobe --help Usage: partprobe [OPTION] [DEVICE]... Inform the operating system about partition table changes. -d, --dry-run do not actually inform the operating system -s, --summary print a summary of contents -h, --help display this help and exit -v, --version output version information and exit
查看某个系统分区有无变化
partprobe /dev/sdb