Hello,
I cannot access my home directory on an OpenSolaris server from a Linux NFS
client. This is how I shared the ZFS dataset (public subnet censored):
zfs set sharenfs=sec=none,r...@2002:****:****:3::/64:10.84.54.0/26
rpool/export/home/andrej
Output from share:
-...@rpool/export /export/home/andrej
sec=none,r...@2002:****:****:3::/64:10.84.54.0/26 ""
In fact I have no idea what this means. If I share rpool, rpool/export,
rpool/export/home, ..., does it make any difference?
On the Linux client, I mounted the share like this:
mount -t nfs4 10.84.54.10:/ /mnt/helium -o rsize=32768,wsize=32768
The command succeeded. I could list /mnt/helium and /mnt/helium/export.
However, something went wrong one level deeper:
# ls -l /mnt/helium/export/home
ls: cannot access /mnt/helium/export/home/andrej: Permission denied
total 0
?????????? ? ? ? ? ? andrej
What's wrong with this? Who denied the permission and why? I thought this could
be a problem similar to the absence of no_root_squash. (BTW, how can one say
'no_root_squlash' on OpenSolaris?) The standard stupid brute-force solution
'chmod -R ugo+rX andrej' did not help. Still the same error.
I could mount /, /export and /export/home. But presumably, /export/home/andrej
could not be mounted:
# mount -t nfs4 10.84.54.10:/export/home/andrej /mnt/helium -o
rsize=32768,wsize=32768
mount.nfs4: access denied by server while mounting
10.84.54.10:/export/home/andrej
I have no idea why access is denied. With ZFS, it's not clear what's mounted
and whether I'm crossing file system boundaries or not...
(BTW, I have the same user name on both machines, but a different user ID. Is
it possible to establish a mapping so that the unprivileged user on the client
can access his directory on the server? Anyway, first of all I need to mount it
*somehow*...)
Any piece of information would be very helpful. I'm just about to through both
machines through the window. :-( Perhaps this bug is be due to the poor NFSv4
implementation on Linux... But it's much more probable that I just
misconfigured something. Any suggestions?
Andrej
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