Device busy

[Josee Bourget-Thuma]

I'm trying to umount a mount point so I can vgexport.
I'm getting the following error message:

umount: cannot unmount /u01: Device busy.

I know that this device is not busy...
What is it I don't know?

Thanks again!
Josee...

[Uday_S_Ankolekar]

Hi,

Make sure that you are not in that directory..

secondly use fuser to check who is using that mountpoint..

Goodluck
-USA...

[Josee Bourget-Thuma]

Thanks for your help.
I figured out myself.

Do you know if there is a way to force a umount?

Thanks again!

Josee...

[Sanjay_6 · Accepted solution]

Hi Josee,

Try this,
First check who is using this mount point

fuser -cu /mount_point

then do

fuser -ck /mount_point

This will kill any user or process using this mount point.

Then do a umount for this mount point.

Hope this helps.

Regds

[Josee Bourget-Thuma]

Sanjay,

Thanks for the tip, I had managed to cure my problem the "clean" way but this is good for future reference.

Thanks!
Josee...

[Darrell Allen]

Hi Josee,

I feel positive you already know, but for some who may read this later and don't know:
verify what the processes are actually doing before killing them. It's obviously best to shut them down gracefully instead of just slamming them.

Darrell