Re: take away nfs write permissions instantly

[Stuart Sheldon <stu@actusa.net>]

Did you run exportfs -r after you changed exports?

Stu


Kapeller Rene PSI wrote:
> Can anyone help me on the following problem:
> 
> In order to take away nfs write permissions instantly for a previously 
> mounted
> nfs directory called '/data', I'm changing the export options for '/data'
> on the server to 'ro', while keeping the mount on the client.
> 
> exportfs -io ro,sync,wdelay,no_root_squash nfsclient:/data
> 
> exportfs -v
> /data   nfsserver(ro,wdelay,no_root_squash)
> 
> Surprisingly the client can still write to /data at this point, unless I do
> umount/mount of /data.
> 
> Is this the way it's suposed to work?
> 
> Changing the nfs export options on a  SunOS 5.6 while clients have mounted
> a nfs path, write permissions are instantly taken away from it.
> 
> share -F nfs -o ro,root=nfsclient /data
> 
> In both cases I used the following nfs mount options:
> mount -o rw,sync,nfsvers=3,wsize=32768,rsize=32768
> 
> Thanks!
> - Rene
> 
> 
> 
> 
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