What do you get if you run the below commands? OpenBSD defaults to
using UDP for NFS. Linux I believe defaults to using TCP. I would have
expected a more explicit Portmap error though if it was that.

showmount -e hostname

rpcinfo -t hostname mountd
rpcinfo -u hostname mountd
rpcinfo -t hostname nfs
rpcinfo -u hostname nfs


Jazzi Hong <jazzihon...@gmail.com> writes:

> You made the point, thank you Maksim.
>
> I checked /mnt/hdd and nothing there.
>
>> # cat /etc/fstab
> 1593ab2ee369c420.b none swap sw
> 1593ab2ee369c420.a / ffs rw 1 1
> 1593ab2ee369c420.e /var ffs rw,nodev,nosuid 1 2
> 2b6c2b5b929f9a55.i /mnt/hdd ffs rw,noexec,nosuid,nodev 0 0
>
>> # doas sysctl hw.disknames
> hw.disknames=sd0:2b6c2b5b929f9a55,sd1:1593ab2ee369c420
>
>> # doas fdisk sd0
>
> Disk: sd0 geometry: 121601/255/63 [1953525168 Sectors]
> Offset: 0 Signature: 0xAA55
>
>             Starting         Ending         LBA Info:
>
>  #: id      C   H   S -      C   H   S [       start:        size ]
>
> -------------------------------------------------------------------------------
>
>  0: 00      0   0   0 -      0   0   0 [           0:           0 ] unused
>
>  1: 00      0   0   0 -      0   0   0 [           0:           0 ] unused
>
>  2: 00      0   0   0 -      0   0   0 [           0:           0 ] unused
>
> *3: A6      0   1   2 - 121601  80  63 [          64:  1953525104 ] OpenBSD
>
>
> ============
> So /dev/sd0 is my NFS share hard disk, and when I tried to mount it manually:
>
>> # doas mount /mnt/hdd
> mount_ffs: 2b6c2b5b929f9a55.i on /mnt/hdd: Invalid argument
>
> +++++++++++
> The error message mentioned about "Invalid argument" of mount, anything wrong?
>
> So the problem now is why can not mount the drive even it's detected?
>
> Thank you,
> jazzi
>
> On Wed, May 31, 2023 at 2:38 PM Maksim Rodin <a23s4a2...@yandex.ru> wrote:
>>
>> The /mnt/hdd partition on your NFS server might just be not mounted
>> which does not prevent nfs service from successfully serving an empty
>> directory.
>> Or one of your two nfs clients might have deleted all your files and you
>> did not notice this.
>>
>> On Wed May 31 09:27:04 2023, Maksim Rodin wrote:
>> > Hello,
>> > Silly question but...
>> > Are you sure that your NFS server still has any files on /mnt/hdd?
>> >
>> > On Wed May 31 09:07:15 2023, Jazzi Hong wrote:
>> > > Hello,
>> > >
>> > > I have OpenBSD 7.2 installed and NFS service running on Cubieboard2,
>> > > one Linux client and one MacOS client, everything works fine for the
>> > > last 6 months.
>> > >
>> > > Yesterday as usual I mounted NFS share and showed mounting
>> > > successfully even command `df -h` got it, but `ls /Users/jazzi/nfs`
>> > > showed nothing. Tried on both Linux and MacOS.
>> > >
>> > > OpenBSD is 24*7 running and I didn't do anything to change the system,
>> > > maybe it's too hot so I shut it down for the whole night and power on
>> > > the next day but it didn't work.
>> > >
>> > > +++++++++++++++++++++++++++
>> > > Here is how I mount it on MacOS:
>> > >
>> > > > sudo mount -t nfs -o 
>> > > > resvport,async,nolocks,locallocks,soft,wsize=32768,rsize=32768 
>> > > > 192.168.31.231:/mnt/hdd /Users/jazzi/nfs
>> > >
>> > > +++++++++++++++++++++++++++++++++++
>> > > Here is the settings on OpenBSD NFS server:
>> > >
>> > > # $ cat /etc/exports
>> > >
>> > > # For Macbook Air
>> > > /mnt/hdd -alldirs -mapall=root 192.168.31.76
>> > >
>> > > # For Linux desktop
>> > > /mnt/hdd -alldirs -mapall=root 192.168.31.77
>> > >
>> > > ############
>> > >
>> > > Any help will be appreciated, thank you.
>> > >
>> > >
>> > >
>> > > --
>> > > jazzi
>> > >
>> > > Best Regard,
>> > >
>> >
>> > --
>> > С уважением,
>> > Родин Максим
>>
>> --
>> С уважением,
>> Родин Максим
>
>
>
> -- 
> jazzi
>
> Best Regard,

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