08-14-2014
This is showing that there is something using the NFS mounted filesystem. This could be a user or scheduled process using this for input or output files or the current working directory. Another alternative would be that there is a sub-mounted filesystem.
Commands such as df | grep patch_mount & fuser -c /path_mount might give you more information about what is in use.
Be aware that deleted files that are still open will still hold the filesystem in-use until their processes end.
I hope that this helps,
Robin
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