错误信息提示
# mount /dev/sdb1 /mnt/usb Mount is denied because the NTFS volume is already exclusively opened. The volume may be already mounted, or another software may use it which could be identified for example by the help of the ‘fuser‘ command.
遇到的问题，有进程占用硬盘，我们需要找到进程并kill
查看进程
# fuser -m -u /dev/sdb1 /dev/sdb1: 1977(root)
结束进程
# kill 1977
重新挂载一次
# mount /dev/sdb1 /mnt/usb
原文：https://www.cnblogs.com/libra13179/p/12705418.html