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Force TCP NFS Mount with TCP/IP 5.6

 
Vuffray Joris
Occasional Visitor

Force TCP NFS Mount with TCP/IP 5.6

Hi,
I'm trying to force an openvms system to mount an NFS share over TCP instead of udp.
Is there a special mount command to do that?
11 REPLIES 11
Wim Van den Wyngaert
Honored Contributor

Re: Force TCP NFS Mount with TCP/IP 5.6

ucx set servi nfs/port=xxx/prot=tcp ?

Don't have a system to test it.

Wim
Wim
Wim Van den Wyngaert
Honored Contributor

Re: Force TCP NFS Mount with TCP/IP 5.6

Vuffray Joris
Occasional Visitor

Re: Force TCP NFS Mount with TCP/IP 5.6

I'll check that.

Thanks for the link...

Rgds, Joris
Wim Van den Wyngaert
Honored Contributor

Re: Force TCP NFS Mount with TCP/IP 5.6

For the client part it's not that clear. Unix clients can use mount /protocol (or equiv) but VMS seems to have no option.

The info on service level is simply not used. It's simply a db that a service may read to get params but it's not obliged to do so.

Wim
Wim
Vuffray Joris
Occasional Visitor

Re: Force TCP NFS Mount with TCP/IP 5.6

I've just tried to skip upd on the NFS Server side (RHEL4), but the VMS Client is then unable to connect & mount the FileSystem.
got:
-SYSTEM-F-NOSUCHOBJ, network object is unknown at remote node

Strange...

I'm wondering if TCP is really supported by the client.
Highlighted
Wim Van den Wyngaert
Honored Contributor

Re: Force TCP NFS Mount with TCP/IP 5.6

Oeps. Didn't notice that you only need the client. Whatever. I learned already something.

Could it be that portmapper is used to find the protocol ? Ot says something in the log file about MOUNT and protocol.

Wim
Wim
Wim Van den Wyngaert
Honored Contributor

Re: Force TCP NFS Mount with TCP/IP 5.6

Tried it on TCP 5.3. VMS to VMS. Not working either. Can't force the client into TCP.

I did succeed in getting a hang of the NFS server. Stop/id and disable servi didn't work. After a reboot my client still didn't work. Had to reboot the client too. Nice ...

Wim
Wim
Vuffray Joris
Occasional Visitor

Re: Force TCP NFS Mount with TCP/IP 5.6

TCP for the NFS Client is a new feature of the 5.6 Version; so it won't work with 5.3
Wim Van den Wyngaert
Honored Contributor

Re: Force TCP NFS Mount with TCP/IP 5.6

The server is clearly supported in 5.3 eco 2.

How do you specify the client tcp mode ?

Wim
Wim