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09-16-2004 01:59 AM
09-16-2004 01:59 AM
umount a NFS resource that have been disconnect
not responding still trying
unable to perform umount
when I did bdf, it stops
cvdpar1:/#uname -a
HP-UX cvdpar1 B.11.00 A 9000/800 1193911547 two-user license
i have found one process which is trying to do a cp to this NFS ressource, but I am unable to kill it (try all signal)
thanks for your help
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09-16-2004 02:27 AM
09-16-2004 02:27 AM
Re: umount a NFS resource that have been disconnect
Unfortunately, the current version of NFS has no capability to forcibly unmount a non-responsive NFS mount. The only way to clean this up is to re-boot.
Pete
Pete
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09-16-2004 02:30 AM
09-16-2004 02:30 AM
Re: umount a NFS resource that have been disconnect
I think you only can reboot the ws after deleting the NFS mount point from /etc/fstab.
Volkmar
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09-16-2004 02:32 AM
09-16-2004 02:32 AM
Re: umount a NFS resource that have been disconnect
V.
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09-16-2004 02:56 AM
09-16-2004 02:56 AM
Re: umount a NFS resource that have been disconnect
But without the above, reboot only needed there. And remove the fstab entries for the particular export informations.
umount problem not responding still trying
is coming on nfsv3.. I hope dave (NFS guru and developer) will give more details on this issue
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09-16-2004 02:59 AM - last edited on 06-18-2021 04:06 AM by Ramya_Heera
09-16-2004 02:59 AM - last edited on 06-18-2021 04:06 AM by Ramya_Heera
Re: umount a NFS resource that have been disconnect
Hi Chris,
I've written a technical paper that deals with this exact scenario. There may be ways for you to get your client back in order without rebooting it, even without a forcible unmount facility.
The technical paper is titled "Forcibly Unmounting NFS Filesystems" and it is located at:
http://docs.hp.com/hpux/onlinedocs/3929/ForciblyUnmountingNFSFilesystems.pdf
Hopefully some of the tricks in this guide will help you resolve your problem.
In case you haven't heard, HP will be providing the ability to forcibly unmount hung NFS filesystems in the very near future. In October (current plan) we will release HP-UX 11i v2 update 2, which will allow HP-UX 11i v2 to run on both PA-RISC and Itanium processors. One of the new features that we've added to this release is forcible NFS unmounts. Once 11i v2 update 2 is installed, you could do a "unmount -f " and the client will forcibly unmount the filesystem, even if there are pending I/Os on the device.
For now, your best bet is to try the tricks I outline in the technical paper.
Good luck,
Dave
I work at HPE
HPE Support Center offers support for your HPE services and products when and how you need it. Get started with HPE Support Center today.
[Any personal opinions expressed are mine, and not official statements on behalf of Hewlett Packard Enterprise]

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09-16-2004 03:16 AM
09-16-2004 03:16 AM
Re: umount a NFS resource that have been disconnect
This is the real Chris Johnson.
I do not know why someone is posting questions using my ID, but it is not me.
I apologize to those who have replied to this post, whether it is a valid question or not.
This incident has been reported to HP.
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09-16-2004 03:20 AM
09-16-2004 03:20 AM
Re: umount a NFS resource that have been disconnect
Could it be a colleague innocently using your login because they don't have their own?
I used a colleague's login for a short while before getting set up with my own account (with his knowledge I hasten to add).
Mark Syder (like the drink but spelt different)
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09-16-2004 03:26 AM
09-16-2004 03:26 AM
Re: umount a NFS resource that have been disconnect
No, I am a sole proprietor. I do not give out my user IDs to anyone.