Re: Ownership problem with NFS exported /home

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On Mon, 2004-09-20 at 19:10, CB wrote:
> On Tue, 2004-09-21 at 00:49, David L Norris wrote:
> > On Mon, 2004-09-20 at 21:02 +1000, CB wrote:
> > > /home-ext/<username>           
> > > 192.168.0.1/24(rw,wdelay,insecure,root_squash,no_subtree_check,fsid=0,anonuid=65563,anongid=65535)
> > 
> > > Anyone know what I am doing wrong, or can suggest how to troubleshoot
> > > further?
> > 
> > What's with all the options?  Have you tried exporting the home
> > directory using simple options?  Just divide and conquer the options
> > until you find the one that is causing your problem.
> > 
> > This should always work:
> >   /home    192.168.0.0/255.255.255.0(rw,root_squash)
> 
> For some reason on my (FC2) system, the fsid option is necessary, but I
> can get away without the other options, at least for testing purposes.
> So that leaves me with:
> 
> 	/home    192.168.0.0/255.255.255.0(rw,root_squash,fsid=0)
> 
> (Without the fsid, I can't connect the client).
> 

I am not sure why the fsid option would be affecting you that way.... 
Your client really should be able to connect whether you use fsid or
not...  Do you have other things in the exports file?  That seems to be
what fsid is more for to differentiate between exports and to address
what I thought were some bugs where the fsid changes on us creating
inode mismatches....  Try to change your exports to be only this item
and see if it impacts....

Of course, perhaps we are looking at this from the wrong side.  What are
you using to mount from the client (options, etc)???

> But whichever options I do or don't use, I'm still finding that the UID
> and GID of all files and dirs shown  by ls -n in the user's home
> directory once connected are 0 and 1 respectively, whereas on the server
> they are 500 and 500. The upshot is that the user on the remote machine
> only has read access to most of the home directory.
> 
> Why would the UID and GID be different on the NFS and client machines?
> 

Only if we are doing some sort of "mapping...", but that is usually
forced onto "anonymous" connections - hence your earlier anonuid and
anongid uses....

I really think your requirement of the fsid option is indicative of some
other fundamental problem.  Have you changed anything in /etc/sysconfig
related to nfs or added anything to /etc/sysctl.conf?

--Rob



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