Bug#779133: Ok, solved, but still a strange thing...

2015-02-25 Thread Ritesh Raj Sarraf


On 02/25/2015 02:07 PM, Marco Gaiarin wrote:
 Simply i've had in /etc/fstab:
 
   dixie:/srv/wviola/sources /srv/wviola/sources nfs acl   0   0
 
 and worked perfeclty[1] just before rebooting the NFS client machine.
 Now i was forced to put instead:
 
   dixie:/srv/wviola/sources /srv/wviola/sources nfs nfsvers=3,acl 00
 
 so seems to me that ''something'' changed the default NFS version from
 3 to 4.


   nfsvers=n  The  NFS  protocol  version  number  used  to
contact the server's NFS service.  If the
  server does not support the requested version, the
mount request fails.  If this option
  is not specified, the client negotiates a suitable
version with the server, trying ver‐
  sion 4 first, version 3 second, and version 2 last.



Given that most vendors are trying to push NFSv4 further for adoption,
this must have happened.


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Bug#779133: Ok, solved, but still a strange thing...

2015-02-25 Thread Marco Gaiarin

After updating also the NFS server, after fiddling a bit with NFS
parameters, after hitting my head around the room... i've found a
solution.

AFAIK NFSv3 use a ''nonstandard'' ACL mechanism that works well only
for POSIX ACL, while NFSv4 use a more complex one, suited to take into
account different ACL schemas.
I use POSIX ACL, so NFSv3 is well suited for me.

Simply i've had in /etc/fstab:

dixie:/srv/wviola/sources /srv/wviola/sources nfs acl   0   0

and worked perfeclty[1] just before rebooting the NFS client machine.
Now i was forced to put instead:

dixie:/srv/wviola/sources /srv/wviola/sources nfs nfsvers=3,acl 0   0

so seems to me that ''something'' changed the default NFS version from
3 to 4.


Trying to downgrade lead me to the suspect that the guilty is not the
kernel; but really i've gone back on upgrade history and found nothing
related to NFS of mount upgraded recently...


Boh...


[1]: i was sure because i've a cron script that hourly try to mangle ACLs,
 and never complained about missing ACL before the reboot...


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