解决卸载U盘问题:umount: /mnt/usb: device is busy
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问题:
#umount /dev/sda1
umount: /mnt/usb: device is busy
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查找占用目录进程:
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#lsof |grep /mnt/usb
bash 1971 root cwd DIR 8,1 16384 1 /mnt/usb/
bash 2342 root 3r DIR 8,1 16384 1 /mnt/usb/
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杀掉进程:
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#kill -9 1971
#kill -9 2342
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卸载:
#umount /mnt/usb
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