How to Fix 'umount: 1831-015 16 error while unmounting' Error (Resource Busy)

'umount: 1831-015 16 error while unmounting' Error: A Troubleshooting Guide

Encountering the 'umount: 1831-015 16 error while unmounting' message in Linux? This error signals that the resource you're attempting to unmount is currently in use by another process. Let's walk through the steps to fix this:

1. Pinpoint the Conflicting Processes:

Begin by identifying the processes using the resource with the fuser command. Replace '/mnt/backup' with your actual mount point:

fuser -m /mnt/backup

2. Manage the Identified Processes:

Once you've identified the processes, you have two options:

• Terminate: If it's safe to do so, terminate the processes to release the resource. Be cautious, as this may lead to data loss or system instability depending on the process.
• Restrict Access: Explore ways to stop the processes from accessing the resource without complete termination. This might involve stopping a service, closing files, or unmapping the resource within the application.

3. Retry Unmounting:

After ensuring no active processes are using the resource, try unmounting again:

umount 198.1.1.24:/mnt/backup

Need More Help?

If the problem persists, further investigation might be needed. Consider checking system logs for additional clues or consulting with your system administrator for assistance.