Cannot mount NFS file system!

[Igor Sovin]

Hi!
when I'm trying to mount nfs file system from another host db00 I get the following message

NFS server db00 not responding still trying

but all nfs daemons on both hosts are running.
What's the problem?

[Steven E. Protter · Accepted solution]

Diagnostic steps:

1) Can you ping it? If ping is permitted and you can't ping it, check network connectivity. See that cables and switches are all properly configured. Check the lanadmin output.

2) On the server tail -f /var/adm/syslog/syslog.log try the connect. If there are log entries, act on them, if not, go back to item 1.

3) check the /etc/exports file on the server and see if it has host restrictions and if they effect the client having the problem.

SEP

[Binu_5]

Please try this

1)First try to ping the server
2)check wheather you are ble to telnet
3)check /etc/exports file
4)use showmount to check the file system is exported
5)If the file system is exported stop
the nfs services in both system
/sbin/init.d/nfs.server stop
/sbin/init.d/nfs.clinet stop

5)Start the services

6)If not working reboot he sytem

Thanks
Binu

[Muthukumar_5]

Check whethere there is a same mount available in client machine.

1. Check ping connectivity
2. unmount if there is existing mount from db00 machine.
3. create new mount as,

mkdir /db00mount
mount -v db00:/ /db00mount

Check with rpcinfo command to see the NFS problem.

hth.

[Gopi Sekar]

few reasons:

* Network is not available between server and client
* Firewall is blocking NFS traffic
* Portmap service is not running on the client (which is more likely), for NFS mounts to work you should run portmap service first.

[Igor Sovin]

Previosly nfs filesystem was mounted from server. Everything was okay.
Then IP and subnet mask of host were changed.
and now I cant umount the nfs file system and bdf hangs with the message:
NFS server db00 not responding still trying

I can ping server.

[Igor Sovin]

the hostname of the client is still the same

[Ermin Borovac]

Try the following on the client. Assumes that lan0 is valid/connected LAN card.

# ifconfig lan0:1 netmask up
# umount /mount/that/hangs
# ifconfig lan0:1 0.0.0.0

[Igor Sovin]

after server reboot, everything is ok.
thanks for advices