NFS: RPC: Timed out

[romano r]

Hi,
HPUX v11i: I've a problem with a NFS server, all clients UX11i fail to mount (automount -soft) a FS the syslog reports:

vmunix: NFS getattr failed for server lochp33: RPC: Timed out
automountd[660]: Mount nfsbox:/FSaaa on /FAbbb errno 238: Connection timed out

The same FS system could be mounted without problems from any NFS client of UX10.20.

I suspect the problem is on the TCP port connection (UX10.20 uses udp):

rpcinfo -t nfsbox 100003
rpcinfo: RPC: Miscellaneous tli error - bad flags
program 100003 is not available

Any Idea on how to solve the problem without rebooting the server?

Thank you
Romano

[Muthukumar_5]

Can you try without automount intially as,

# server
exportfs -iv /tmp

# client
mkdir /tmp/servertmp
mount -e server:/tmp /tmp/servertmp

Is it working?

Connection timed out means connection to server is response less. Is connectivity to server working fine with ping / telnet ?

hth.

[Arunvijai_4]

Two things,
1) Can you ping from your clients to server ?
2) Restart NFS server and try exporting, and mounting in Client.. That should help.

-Arun

[romano r]

Hi,
Yes the box is working "fine" (ping, telnet...) the mount works!

That means that the timeout is given by automount?

In relation to this furum: http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=948706, i try this on different client:
netstat -an |grep 2049 | grep IP.nfsserver

On one I have that:
tcp 0 0 10.13.0.165.842 10.13.0.183.2049 FIN_WAIT_2
tcp 0 0 10.13.0.165.843 10.13.0.183.2049 FIN_WAIT_2

is there a pending connection? how to individuate?

thanks
romano

[RAC_1]

Lets' start with basic troubleshotting. Are clients able to reach nfs server??
1. ping/nslookup on nfs server
2. Are clients seeing the exported nfs share??
showmount -e "nfs_server"
3. Is the nfs share exported with udp as protocol??-showmount -e and look at /etc/exports file.
If udp, on 11i clinets, you will have to mount explicitely with udp protocol

mount_nfs -o proto=udp nfs_server:/share /local+mount_pt
Also look at nfs versions. 10.20 mount only version2.

[romano r]

Hello,
answer to RAC:
1) Yes
2) Yes
3) No

Arunvijai: I prefer avoid restart the NFS server, anyway find out the process that caused the problem.

thanks
romano

[Muthukumar_5]

Send out NFS server exportfs option usage for this FS?

# showmount -e

hth.'

[romano r]

I rebooted the NFS server. Just restarting NFS corrupted the rpc processes.

thank to all
Romano