List active NFS connections?

I'm looking for a way to list all hosts that are mounting anything from
a given server via NFS. netstat doesn't show any NFS connections, and
rpcinfo seems to be too low-level for this.

--
* John Oliver http://www.john-oliver.net/ *

John Oliver wrote:
> I'm looking for a way to list all hosts that are mounting anything from
> a given server via NFS. netstat doesn't show any NFS connections, and
> rpcinfo seems to be too low-level for this.
>

showmount

Note that it may be in sbin which may not be in non-root PATHs.

On Fri, 05 Jan 2007 14:45:48 -0500, Joe Beanfish wrote:
> John Oliver wrote:
>> I'm looking for a way to list all hosts that are mounting anything from
>> a given server via NFS. netstat doesn't show any NFS connections, and
>> rpcinfo seems to be too low-level for this.
>>
>
> showmount
>
> Note that it may be in sbin which may not be in non-root PATHs.

showmount winds up dumping the contents of /var/lib/nfs/rmtab That file
appears to list every host that has ever made an NFS connection. Some
Googling indicated that it would be a bad idea to null out that file for
some reason. So, I'm wondering what is the "right" way to reset it, so
I don't see records of hosts that haven't existed in years :-)

--
* John Oliver http://www.john-oliver.net/ *

In news:(E-Mail Removed),
John Oliver <(E-Mail Removed)> wrote:

> I'm looking for a way to list all hosts that are mounting anything
> from a given server via NFS. netstat doesn't show any NFS
> connections, and rpcinfo seems to be too low-level for this.

mount -t nfs

John Oliver wrote:
> On Fri, 05 Jan 2007 14:45:48 -0500, Joe Beanfish wrote:
>> John Oliver wrote:
>>> I'm looking for a way to list all hosts that are mounting anything from
>>> a given server via NFS. netstat doesn't show any NFS connections, and
>>> rpcinfo seems to be too low-level for this.
>>>
>> showmount
>>
>> Note that it may be in sbin which may not be in non-root PATHs.
>
> showmount winds up dumping the contents of /var/lib/nfs/rmtab That file
> appears to list every host that has ever made an NFS connection. Some
> Googling indicated that it would be a bad idea to null out that file for
> some reason. So, I'm wondering what is the "right" way to reset it, so
> I don't see records of hosts that haven't existed in years :-)
>

Never really used showmount much but I see the cruft you're describing.
I would think it would be safe to truncate that file on startup before
nfs services are started.