RE: NFS over TCP on v5r4?

["Crump, Mike" <Mike.Crump@xxxxxxxxxxxxxxxx>]

The NFS server supports up to version 4 at V6R1 of i/OS and up to version 3 at V5R4 of i/OS.

In v5r4 NFS uses the UDP protocal - that is probably your problem.


Michael Crump
 
Manager, Computing Services
SGCI
1509 S. Macedonia Ave.
Muncie, IN  47302
 
765.741.7696
765.741.7012 f 
 



Leave the gun, take the cannoli
Clemenza in The Godfather

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-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Ingvaldson, Scott
Sent: Thursday, April 15, 2010 12:27 PM
To: Midrange Systems Technical Discussion
Subject: RE: NFS over TCP on v5r4?

The *UDP connection on port 2049 should be your NFS daemon.  Do an 8 to display the job and you should see QNFSNFSD.

IIRC the System i NFS implementation is version 2.  I could be wrong, it's been awhile and I haven't verified this lately.

Can you force the client to use V2 for the mount?


Regards,
 
Scott Ingvaldson
Senior IBM Support Specialist
Midwest Region Data Center
Fiserv.


-----Original Message-----
From: dino [mailto:dino@xxxxxxxxxxxxx]
Sent: Thursday, April 15, 2010 3:24 AM
To: midrange-l@xxxxxxxxxxxx
Subject: NFS over TCP on v5r4?

hi,
I activated nfs service via STRNFSSVR *ALL on v5r4 in order to present a share of some IFS directories to remote linux machine.
Linux machine(ubuntu client) was not able to mount it. I also tried the same operation from vmware ESXi client which returns the following: "NFS
Error: Unable to Mount filesystem: The NFS server does not support MOUNT version 3 over TCP."
doing      rpcinfo -p as400.local.com     gives:
    program vers proto   port
     100000    3   udp    111  portmapper
     100000    2   udp    111  portmapper
     100000    3   tcp    111  portmapper
     100000    2   tcp    111  portmapper
     100003    2   udp   2049  nfs
     100003    3   udp   2049  nfs
     100005    1   udp  57063  mountd
     100005    3   udp  60135  mountd
     100024    1   udp  60101  status
     100024    1   tcp  13221  status
     100021    1   udp  27447  nlockmgr
     100021    1   tcp  34928  nlockmgr
     100021    3   udp  13310  nlockmgr
     100021    3   tcp  40688  nlockmgr
     100021    4   udp  18111  nlockmgr
     100021    4   tcp  50195  nlockmgr
     100021    2   udp  13214  nlockmgr
     100021    2   tcp  52844  nlockmgr
     100020    3   tcp  13347  llockmgr
     100020    3   udp  50079  llockmgr



back to v5r4 machine,     netstat *cnn gives no tcp port 2049!

       *                *          21         000:00:00  In ascolto
       *                *          telnet     000:00:01  In ascolto
       *                *          25         000:00:00  In ascolto
       *                *          www        000:00:38  In ascolto
       *                *          89         017:57:12  In ascolto
       *                *          pop3       000:00:01  In ascolto
       *                *          111        010:22:52  In ascolto
       *                *          111        010:22:33  *UDP
       *                *          123        +++++++++  *UDP

     *                    *   2034  +++++++++  In ascolto
     *                    *   2049  010:22:20  *UDP
     *                    *   2301  +++++++++  In ascolto

..There is no nfs over tcp!

Is nfs over tcp supported in v5r4 ?


thanks
dino muzic



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