ZFS snapshots through NFS

G

guillaje

Hello,

I try to export a ZFS volume with its snapshot via NFS.
The server is a FreeBSD 8.2-RELEASE amd64, the client is a Debian GNU/Linux Lenny i686.

What I did on the server :
Code: 
root@endor:~# zfs set sharenfs="-ro -network 192.168.200.0 -mask 255.255.255.0" tank/backups/praline

What I did on the client :
Code: 
praline:~# mount -t nfs -o ro 192.168.200.254:/data/tank/backups/praline /mnt/backupstation

Everything is fine concerning the filesystem itself. But when I go into the snapshots directory on the client, instead of seeing a list of directories corresponding to the snapshots, half of them are bad links to unexisting files, or strange files :

On the server :
Code: 
ls -als .zfs/snapshot/
total 42
0 dr-xr-xr-x  30 root  wheel  30 Aug 23 15:30 .
0 dr-xr-xr-x   4 root  wheel   4 Aug 23 15:30 ..
2 drwxr-xr-x   3 root  wheel   3 Sep 30  2010 20110824014251
2 drwxr-xr-x   3 root  wheel   3 Sep 30  2010 20110825021047
2 drwxr-xr-x   3 root  wheel   3 Sep 30  2010 20110826004604
2 drwxr-xr-x   3 root  wheel   3 Sep 30  2010 20110827012346
2 drwxr-xr-x   3 root  wheel   3 Sep 30  2010 20110830013042
2 drwxr-xr-x   3 root  wheel   3 Sep 30  2010 20110831004253
[...]

On the client :
Code: 
ls -als .zfs/snapshot/
total 357
  0 dr-xr-xr-x 30 root     root         30 2011-08-23 15:30 .
  0 dr-xr-xr-x  4 root     root          4 2011-08-23 15:30 ..
  1 lrwxrwxrwx  1 user1    user1         5 2011-07-06 15:29 20110824014251 -> ssl.3
  1 lrwxrwxrwx  1 user1    user1        25 2011-07-06 15:29 20110825021047 -> SSL_CTX_use_certificate.3
  2 drwxr-xr-x  3 root     root          3 2010-09-30 11:31 20110826004604
  4 -rw-r--r--  1 user1    user1      5123 2011-06-28 15:52 20110827012346
  1 -rw-r--r--  1 user1    user1       584 2011-06-28 15:52 20110830013042
  2 drwxr-xr-x  3 root     root          3 2010-09-30 11:31 20110831004253
[...]

Do you have any idea what could cause this?

Thank you,
jC
 
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