12-08-2008
If the NFS servers are all still working and have some form of Unix running on them then I would run a "showmount -a" on the NFS server you wish to move client mounts from, this will list the clients that have mounts from that server and what directories they are mounting.
At the client you could run a "snoop" filtering on NFS type packets only and then run a command to an "ls" inside each NFS mount to generate some traffic and see what IP addresses it is going to that way? A bit drastic I know!
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showmount
showmount(1M) System Administration Commands showmount(1M)
NAME
showmount - show remote mounts
SYNOPSIS
/usr/sbin/showmount [-ade] [hostname]
DESCRIPTION
showmount lists the clients that have remotely mounted a filesystem from host. This information is maintained by the mountd(1M) server on
host, and is saved across crashes in the file /etc/rmtab. The default value for host is the value returned by hostname(1).
The showmount command does not display the names of NFS Version 4 clients.
OPTIONS
-a Print all remote mounts in the format:
hostname : directory
where hostname is the name of the client, and directory is the root of the file system that has been mounted.
-d List directories that have been remotely mounted by clients.
-e Print the list of shared file systems.
FILES
/etc/rmtab
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWnfscu |
+-----------------------------+-----------------------------+
SEE ALSO
hostname(1), mountd(1M), attributes(5)
Solaris 10 Installation Guide: Basic Installations
BUGS
If a client crashes, its entry will not be removed from the list of remote mounts on the server.
SunOS 5.10 26 Oct 2004 showmount(1M)