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Cygwin NFS Unable to setgroups


Set up Cygwin 1.5.24-1 on a WindowsXP and a Windows2003 server.
(XP to try, 2003 for production use)
I want to use the NFS services.
I followed a HOWTO:

My windows account name is pdon (administrator privileges).
I created a directory /home/fenix (owned by pdon) which I want to
export, so that a backup of some directories of a unix
machine can be performed every night.

My /etc/exports : (AAA.BBB.CCC.DDD = IP address of Unix machine)
/home/fenix     AAA.BBB.CCC.DDD(rw,no_root_squash)

On the unix (Solaris) machine (AAA.BBB.CCC.XXX = IP addr.of Windows machine)
I issue the command:
# /usr/sbin/mount -F nfs AAA.BBB.CCC.XXX:/home/fenix /mnt

Mounting works. I can transfer files, no problem.

Then I transferred a 666 Mb file, no problem, but... this generates TENS of THOUSANDS of error messages in the Application log :
The description for Event ID (0) in Source (nfsd) cannot be found.
The local computer may not have the necessary registry information
of message DLL files to display messages from a remote computer. You
may be able to use the /AUXSOURCE= flag to retrieve this description;
see Help and Support for details. The following information is part
of the event: nfsd: PID 3676: Unable to setgroups: Invalid argument

filling my whole event log file (making me loose all information on
other previous events :-(
-- this I don't like ....

In Cygwin's /var/log/nfsd.log, also over 80.000 messages :
nfsd[3676] 06/04/107 12:02 auth_clnt.c 332 : Unable to setgroups: Invalid argument

How can I make the errors not to happen?

I tried alternative lines in /etc/exports
(the UID/GID are those of the user under which I installed Cygwin and by
which /home/fenix is owned)
/home/fenix     AAA.BBB.CCC.DDD(rw,root_squash,anonuid=1004,anongid=513)
/home/fenix     AAA.BBB.CCC.DDD(rw,all_squash,anonuid=1004,anongid=513)

Same results. and by
Also in WinXP, same messages.



/ Pieter Donche \____________________________________________
| ITC Manager                  e-mail \
| Dept. Mathem. & Computer Science, University of Antwerp    |
| (UA) Middelheimlaan 1, B 2020 Antwerpen,      BELGIUM (EU) |
| room G1.16,      tel +32 03.265.3870, fax +32 03.265.3777  |

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