NFS unmounts fail

DISCUSSION Johan van Reijendam 2 participants 2 messages Dec 23, 2002

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Johan van Reijendam

author

2002-12-23 00:01 UTC #0 lore raw

Hi all,

I have been unable to find the cause and a solution for this problem

I am mounting NFS filesystems. Both the client and the server are running Redhat 7.3. The problem is the following :

I am able to mount a filesystem (automount or otherwise ) and can browse that filesystem. When I pull out of that filesystem automount will unmount it after a while and if manually mounted I am then able to manually unmount it. However whenever I execute a binary from the mounted filesystem I am no longer able to unmount that filesystem. The message I get is:

umount: umount2: Device or resource busy
umount: umount: /auto/packages/binaries: device is busy

Neither lsof or fuser report any open files.

Any help is appreciated.

Johan

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Robert Myers

2002-12-23 01:02 UTC #1 lore raw

Quoted 6 lines · Johan van Reijendam

Hi all,
I have been unable to find the cause and a solution for this problem
I am mounting NFS filesystems. Both the client and the server are running Redhat 7.3. The problem is the following :

Quoted 7 lines

I am able to mount a filesystem (automount or otherwise ) and can browse that filesystem. When I pull out of that filesystem automount will unmount it after a while and if manually mounted I am then able to manually unmount it. However whenever I execute a binary from the mounted filesystem I am no longer able to unmount that filesystem. The message I get is:
umount: umount2: Device or resource busy
umount: umount: /auto/packages/binaries: device is busy
Neither lsof or fuser report any open files.

The most frequent cause of inexplicable "Device or resource is busy" messages when attempting an unmount has been that the device or some directory of the device is theoretically visible from Nautilus. In those cases, closing the /mnts tab on the Nautilus tree and moving the view window to some other directory usually solves the problem.