How to restart NFS server safely

[senthil_kumar_1]

Hi All,

I am using HP-UX 11.11, NFS service are running on that.

Now i want to add some new NFS shares in /etc/exports file. so that i have to restart the NFS service running.

I have some following questions on restarting NFS service:

1)How to view what are the NFS clients are accessing NFS shares available in NFS server?


2)What happen if we are restarting the NFS server while NFS client is accessing some NFS shares?

3)Will the NFS mount points of NFS client automatically connect to NFS server after restarting the NFS server?


4)How to restart the NFS server safely? what are the commands to be used.

[Michal Kapalka (mikap) · Accepted solution]

hi,

just add lines ( entries ) to the /etc/exports and use command exportfs -va

the server will automaticaly using new settings without restarting of the NFS server.

on the client side add the entries to the /etc/fstab and mount -a or youst mount it manually.


mikap

[Michal Kapalka (mikap)]

hi,

showmount -e hostname_of_nfs_server

will show you wich FS are exported for which hosts, and which access privileges.

mikap

[senthil_kumar_1]

1)So if we are using "exportfs -a", the existing NFS mount will not be disconnected? am i correct?


2)But if we are restarting NFS, then all the NFS mounts will be disconnected and connected (after some times) automatically? am i correct?

[Pete Randall]

1) correct

2) sounds more like NFS with automounter - NFS by itself will not mount/dismount automatically.


Pete

[senthil_kumar_1]

what is the purpose of the service NFSLOCK.

[Johnson Punniyalingam]

It handles file locking for remote and local NFS requests.

Have a look at the rpc.lockd manual page for details

[Steven E. Protter]

Shalom,

NFS Lock handles file locking for NFS. NFS file locking in version three of NFS is not very reliable. NFS version 4, which is only available on 11.31 HP-UX handles file locking efficiently.

sEP

[Michal Kapalka (mikap)]

hi,

check the man page :

http://h30097.www3.hp.com/docs/base_doc/DOCUMENTATION/V50_HTML/MAN/MAN8/0209____.HTM

mikap

[Steven Schweda]

> check the man page :
> [...]

Who thinks that a "man" page for an obsolete
version of Tru64 is the best source of
information for "HP-UX 11.11"?