This article outlines the steps to resolve the issue if you are unable to execute FSCK during file system problems.

You might receive the error Mount target is busy or partition is mounted and cannot continue aborting

1. When you are unable to clear file system inconsistencies using the FSCK command utility as indicated in symptoms

2. You can unmount the respective partition.

umount -l <partition name>

Sample 

umount -l /dev/mapper/jmpvgnocf-lvvar

3. Execute fsck command.

fsck -fy <parition name>

Sample 

fsck -fy /dev/mapper/jmpvgnocf-lvvar

4. Post which issue should be fixed. If the issue persists, please contact JTAC support for further assistance.