how to force umount of remote NFS share

From: Matt.Wilkie <Matt.Wilkie_at_gov.yk.ca>
Date: Fri, 12 Jan 2001 13:58:57 -0800

How do you forcibly unmount a (no longer available) NFS share?

I was testing out a time limited demo Windows NT NFS server
and neglected to unmount the NT share from our T64 box before
the demo self destructed.

-The NFS server on the NT machine is no longer running and
 cannot be made to run

-'umount /var/www/htdocs/maps/rhino' does nothing for a
 lengthy period, periodically reporting:
  "NFS3 server rhinoceros.gov.yk.ca not responding still
   trying"

-'umount -f /var/www/htdocs/maps/rhino' tells me :
  "/var/www/htdocs/maps/rhino: Device busy"

-'mount' output:
    root_domain#root on / type advfs (rw)
    /proc on /proc type procfs (rw)
    usr_domain#usr on /usr type advfs (rw)
    usr_domain#var on /var type advfs (rw)
    data_domain#local on /usr/local type advfs (rw)
    data_domain#gisdata on /data type advfs (rw)
    rhinoceros.gov.yk.ca:/d/maps on /var/www/htdocs/maps/rhino \
    type nfs (v3, rw, udp, hard, intr)

I killed the following processes:
        nfsd
        nfs* # nfs process which I don't remember the name of
        rpc.lockd
        rpc.statd

Does the "device busy" message indicate there is a local
process using that dir? How can I determine what that process
is?

-name -a'
        OSF1 tarantula.gov.yk.ca V5.0 910 alpha

thanks in advance,

-matt
========================================
Matt Wilkie * GIS Technician * Yukon Renewable Resources GIS
http://renres.gov.yk.ca/pubs/rrgis/
Received on Fri Jan 12 2001 - 22:00:18 NZDT

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