partprobe 更新分区表变化 /dev/sd* 丢失问题解决

partprobe: 通知系统分区表的变化

[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