HP-UX 10.20 NFS Client, Linux NFS Server problem

[Michael Spindelboeck]

Hi,

we moved all NFS Server to Linux Redhat 9.0. All HP-UX 11.xx runing fine with the Linux Server. Only the last HP-UX 10.20 has some strange problems.

In the beginning I get always "stale NFS handling" on the 10.20 box, after disableing the cache of the nfs mounts this behavour disappeared.
Now when you execute a bigger binary I get always "Pid xxx killed due to text modification or page I/O error" errors.
Somebody knows this problem or give some hints.

Thanks

Michael

[Umapathy S]

Michael,
Text modification refers to the binary being modified when it is under execution. Usually hpux locks the binary file so that it cannot be overwritten when it is being executed.

If the binaries are not changing, then Page I/O may be the problem. Bigger binaries when executed may get a page fault. When the OS tries to load that page from NFS server, it may get some network error.

Check the patches for NFS on 10.2

HTH,
Umapathy

[Steven E. Protter]

NFS on Red Hat is much more up to date than NFS on HP-UX 10.20.

1) Make sure that you are using NFS v3 on the HP box if thats available on 10.20
2) Get every single NFS patch, read up on them and install them.
3) Remember that NFS connects get stale on the client when the server is rebooted.

SEP

[Michael Spindelboeck]

Hi,

thanks for the hint. I patched the NFS Client to the actuell level. But it doesnt help. Same problem as before.

I build up an test machine with the same OS an it works now. Funny thing is that the only differenz between the test and production machine is, that the test machine has only an 100Mbit interface. The production machine has an 1Gbit. It is a little bit strange or.


Michael