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Re: umount Dead NFS Directory

On Wed, Nov 06, 2002 at 10:03:35AM +0800, axacheng wrote:
> Hello there, 
>       I got a problem while trying to umount NFS. I have two web servers,
>     one exports its /var/www for NFS share and the other mounts it as its own
>     DocumentRoot too, thus I got two web servers with exactly the same
>     contents. If the one as NFS server malfunctions, the other NFS
>     client should umount its /var/www and link it to the other place.
>       Well, how can I umount the NFS client's /var/www while the NFS
>     services is not available? I use "-o bg,soft,intr,retry=5,timeo=2"
>     as mount arguments and "-f" as umount option. I found that if the
>     NFS client's active interface, eth0 here, is down, I can umount
>     /var/www after a short time due to NFS error. Otherwise, the console 
>     is full of messages like "NFS not responding, time out", and it always 
>     says "/var/www: Device busy" While I try to umount it. 

You should try

	fuser -vmk /var/www/
	halt -w
	umount /var/www -f -l
	mount /var/www
	/etc/init.d/apache start
or something like that...
Hope this helps.

               Helios de Creisquer
http://www.tuxfamily.org/    <creis@tuxfamily.org>
http://www.vhffs.org/            <creis@vhffs.org>

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