LPI
101-500 · Question #61
After running the command umount /mnt, the following error message is displayed: umount: /mnt: device is busy. What is a common reason for this message?
The correct answer is B. A user has a file open in the /mnt directory. You've hit your Sonnet limit · resets Jun 8, 9am (UTC)
Devices, Linux Filesystems, Filesystem Hierarchy Standard
Question
After running the command umount /mnt, the following error message is displayed: umount: /mnt: device is busy. What is a common reason for this message?
Options
- AThe kernel has not finished flushing disk writes to the mounted device.
- BA user has a file open in the /mnt directory.
- CAnother file system still contains a symlink to a file inside /mnt.
- DThe files in /mnt have been scanned and added to the locate database.
- EThe kernel thinks that a process is about to open a file in /mnt for reading.
How the community answered
(37 responses)- A5% (2)
- B92% (34)
- E3% (1)
Explanation
You've hit your Sonnet limit · resets Jun 8, 9am (UTC)
Topics
#umount#device busy error#open files#mount operations
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