NFS enh automounter

[Peter Lachnitt]

Hello,

I hav a problem with the automounter.
In case a NFS-Server is temporaly not aviable (8 Min.)The automounter give up gives up after 15 sec. to mount the requestet filesystem. How can I expand the timeout to retry the mount?
Configs:
- /etc/auto_master
/home /etc/auto_home -rw,hard,intr,quota,retry=5

- /etc/rc.config.d/nfsconf
AUTOFS=1
AUTOMOUNT_OPTIONS="-f $AUTO_MASTER -t 300"
AUTOMOUNTD_OPTIONS="-n"

- SW-Version Automounter
ENHAUTOFS B.11.11.01

Thanks

Peter

[Enrico P.]

Hi,
I think you need to increase the retrans=n value (default is 5).

- /etc/auto_master
/home /etc/auto_home -rw,hard,intr,quota,retry=5,retrans=n

See the man mount_nfs at the session "Background vs. Foreground" for clearify

Enrico

[Jannik]

Hey Peter try to change the -t 300 to -d a try it again.
As fare as i can seen the -t option is for mount_nfs and the -d option:

-d
Turn off the dynamic retransmit timeout estimator. This may be useful for UDP mounts that exhibit high retry rates, since it is possible that the dynamically estimated timeout interval is too short.

You could change the -t value to something else...

[Enrico P.]

Hi,
see http://docs.hp.com/en/B1031-90043/ch02s03.html
also for the timeo option.
It seem the good solution for you.

The -t option Specify a duration, in seconds, that a file system is to remain mounted when not in use and it is not for the situation which the server is down.

Enrico

[Peter Lachnitt]

Hi,

now I tried this options in /etc/auto_master:
ro,hard,intr,quota,retry=5,retrans=20,timeo=20
then stop/start the nfs.client
But it is still the same, the automounter trys only 30 sec. to mount.

root # time cd /inaetc/httpd
/usr/bin/cd[7]: /inaetc/httpd: Permission denied.

real 30.0
user 0.0
sys 0.0

[Enrico P.]

Hi,
did you have restart the automount daemon for reload the master file configuration?

Run the automount command, also you need umount e remount the nfs filesystem

Enrico

[Peter Lachnitt]

Hi Enrico,

yes I do that.

umount /inaetc/httpd

/sbin/init.d/nfs.client stop
/sbin/init.d/nfs.client start

Regards Peter

[Enrico P.]

Hi,
you don' t need to restart the nfs client after a auto_master file modify, you only need to reload the automountd daemon with the "automount" command and probably to umount/mount the nfs filesystem.

Enrico

[Peter Lachnitt]

Thanks Enrico & Jannik,

I found my failure.
In the /etc/auto_master the option retry=5 was set, but in the /etc/auto_inaetc I this option was ignorred because I set only the option -ro.
Fault auto_inaetc:
httpd -ro hp00000:/mnt11

Right:
httpd -ro,retry=5 hp00000:/mnt11

Regards Peter