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There is error 'device is busy' when umount NFS share

Publication Date:  2016-07-27 Views:  155 Downloads:  0
Issue Description

There is a NFS share on the Linux host, and the system show 'device is busy' error when umount NFS share.

The NFS share mount point is /root/fs8.

Handling Process

Step 1 Check if the current path is in the NFS share mount point, please quit from the path if yes.

Step 2 Run the command 'fuser -m -v nfs NFS mount point'to check if there is any other process is using this folder. The result as below picture:


Root Cause

The root cause is that there is another process is using this share point.


Please close the process if there is a process occupied the NFS share mount point when you are umount the NFS share.

You can use this command 'fuser -k NFS share mount point'.