Re: Inconsistency when mounting a directory that 'world' cannot access.

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J. Bruce Fields [bfields@xxxxxxxxxxxx] wrote:
> On Mon, Oct 08, 2012 at 08:54:52AM -0500, Malahal Naineni wrote:
> > NeilBrown [neilb@xxxxxxx] wrote:
> > > Mount with NFSv4 and it takes about the same.  However:
> > > 
> > > .....
> > > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2974
> > > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2975
> > > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2976
> > > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2977
> > > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2978
> > > drwxr-xr-x 2 u2979      root 4096 Oct  8 16:19 2979
> > > drwxr-xr-x 2 u2980      root 4096 Oct  8 16:19 2980
> > > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2981
> > > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2982
> > > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2983
> > > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2984
> > > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2985
> > > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2986
> > > ....
> > > 
> > > 
> > > tcpdump shows the server is returning the write stuff, but something if going
> > > wrong on the client.  I've tried unmounting/remounting and killing/restarting
> > > rpc.idmapd.
> > 
> > As you know 4294967294 is (-2, nfs nobody), I have seen this issue with NFS
> > server sending numeric ids by default in AUTH_SYS (commit
> > e9541ce8efc22c233a045f091c2b969923709038), but the client can't handle
> > them (lack of commit 5cf36cfdc8caa2724738ad0842c5c3dd02f309dc in client
> > code).
> > 
> > I hand patched server commit, but my client was an older one. That is
> > how I got into my issue. Not sure, if you are running into a similar
> > issue.
> 
> Oh, could be--but then why would some of the id's still be mapped
> correctly?

Wild guess, those objects are created by client and didn't get their
attributes updated yet from server???

FYI, a co-worker here had RHEL6.3 server and RHEL6.2 client that
exhibited this nobody issue with NFSv4.

Regards, Malahal.

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