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Re: [Linux-cluster] GFS2 lockf(): Function not implemented



I tried with a new 2.6.35 kernel, still won't work.

No mandatory locking here:

ls -al /srv/data/shared/locktest
-rw------- 1 root root 62  2. Aug 13:27 /srv/data/shared/locktest

Any ideas? Should I try redhat-cluster 3.0.14?


TIA,
Oliver


Am Donnerstag, 29. Juli 2010 19:07:12 schrieb rhurst bidmc harvard edu:
> This may be a red herring, but can you check your permission bits on the
> file, /srv/data/shared/locktest
> 
> If an 'ls -al locktest' shows it like 'rwxr-Sr-x' with the 'S' in the
> permissions for the group, that indicates mandatory locking -- I know GFS
> does/did not support that; I have not checked since my first encounter
> with that limitation from October 2006, so it may not be true today or
> with GFS2.  Perhaps you can 'chmod g-s locktest' and try it again -- that
> had worked for me back then.
> 
> 
> -----Original Message-----
> From: linux-cluster-bounces redhat com
> [mailto:linux-cluster-bounces redhat com] On Behalf Of Oliver Heinz Sent:
> Thursday, July 29, 2010 8:56 AM
> To: linux-cluster redhat com
> Subject: Re: [Linux-cluster] GFS2 lockf(): Function not implemented
> 
> 
> Here's the 'strace -f' which might be more useful than the plain strace
> originally attached.
> 
> 
> Oliver
> 
> Am Donnerstag, 29. Juli 2010 13:45:43 schrieb Oliver Heinz:
> > Am Donnerstag, 29. Juli 2010 13:27:09 schrieb Steven Whitehouse:
> > > Hi,
> > > 
> > > On Thu, 2010-07-29 at 12:52 +0200, Oliver Heinz wrote:
> > > > Hi,
> > > > 
> > > > I'm trying to get a pacemaker/gfs2 setup working. Everything works
> > > > good so far, but when applications try to do locks on the shared
> > > > gfs2 volumes I get "function not implemented".
> > > > 
> > > > 
> > > > For testing purposes I used the locktest script here:
> > > > http://nfsv4.bullopensource.org/tools/tests/locktest.php
> > > 
> > > Was it trying to do mandatory locking? We don't support that. Can you
> > > strace the failing process and also show the exact error message that
> > > you are getting?
> > 
> > That's what I get:
> > 
> > root server-c:~# ./locktests  -n 2 -f /srv/data/shared/locktest
> > Init
> > process initalization
> > ....
> > --------------------------------------
> > 
> > TEST : TRY TO WRITE ON A READ  LOCK:Master: can't set lock
> > 
> > : Function not implemented
> > 
> > Echec
> > 
> > : Function not implemented
> > 
> > strace output is attached.
> > 
> > 
> > The real world problem I'm facing is when I try to start vservers that
> > reside on the gfs2 Filesystem, strace output is also attached.
> > 
> > root server-c:~# vserver -v testshared start
> > secure-mount: lockf(): Function not implemented
> > Failed to update mtab-file
> > secure-mount: lockf(): Function not implemented
> > Failed to update mtab-file
> > secure-mount: lockf(): Function not implemented
> > Failed to update mtab-file
> > 
> > 
> > 
> > 
> > TIA,
> > Oliver
> 
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