NFS and amd on older FreeBSD

[Holger Kipp]

Dear Karl,

> On 12 Jan 2017, at 20:29, Karl Young <karly at kipshouse.org> wrote:
> 
> Daniel Braniss(danny at cs.huji.ac.il)@2017.01.12 10:25:03 +0200:
>> 
>>> On 12 Jan 2017, at 9:49 AM, Daniel Braniss <danny at cs.huji.ac.il> wrote:
>>> 
>>> 
>>>> On 12 Jan 2017, at 1:47 AM, Karl Young <karly at kipshouse.org> wrote:
>>>> 
>>>> I inherited a lab that has a few hundred hosts running FreeBSD 7.2.
>>>> These hosts run test scripts that access files that are stored on
>>>> FreeBSD 6.3 host.  The 6.3 host exports a /data directory with NFS
>>>> 
>>>> 
>>>> On the 7.2 hosts, I can see the exported directory:
>>>> 
>>>> $ showmount -e 6.3-host
>>>> Exports list on 6.3-host
>>>> /data                              Everyone
>>>> 
>>>> And access it with amd
>>>> 
>>>> $ ls -l /net/6-3.host/data
>>>> 
>>>> drwxr-xr-x     5 root  wheel      512 Jun  4  2009 git
>>>> drwxr-xr-x  4586 root  wheel    83968 Nov  2 04:50 home
>>>> 
>>>> I'm trying to retire the 6.3 host and replace it with 9.3 (I know it's
>>>> old, but it's the best I can do for now).
>>>> 
>>>> I export the /data directory on the 9.3 system, and I can see it on my
>>>> 7.2 hosts.
>>>> 
>>>> $ showmount -e  9.3-host
>>>> Exports list on 9.3-host:
>>>> /data                           Everyone
>>>> 
>>>> But I can't automount it:
>>>> 
>>>> $ ls -l /net/9.3-host/data
>>>> ls: /net/9.3-host/data: No such file or directory
>>>> 
>>>> If I manually mount the exported directory, it works:
>>>> 
>>>> $ sudo mount -t nfs 9.3-host:/data /mnt/data/
>>>> $ mount | grep nfs
>>>> 9.3-host:/data on /mnt/data (nfs)
>>>> 
>>>> $ ls -l /mnt/data
>>>> total 4
>>>> drwxr-xr-x  9 root  wheel  512 Dec 20 17:41 iaf2
>>>> 
>>>> I've spent some time on Google, but haven't found a solution.  I realize
>>>> these are very old versions, but I'm not in a position to upgrade them
>>>> right now.  My last resort will be to use /etc/fstab to do the NFS
>>>> mount, but I'd rather avoid that if I can.
>>>> 
>>>> Thanks for any pointers on how to resolve this.
>>>> 
>>>> -karl
>>>> 
>>>> 
>>> 
>>> if you changed the export file on the server after you tried to mount in on the client,
>>> and will not realise this, if that’s the case, usually rebooting the client helps.
>>> 
>> s/and/amd/ ^%$# hate spell checkers
>> 
> 
> Thanks Danny
> 
> I did try rebooting the client (and server) multiple times to no avail.
> 
> -karl

I'm not sure if this is related, but afaik FreeBSD up to 8.x used oldNFS by default. Are you using option -o for nfsd on your 9.3 nfs Server to force using old NFS?

It is just a guess of mine, I'm usually not working much with nfs.

Best regards,
Holger