You might try running strace on the client application, and seeing what file system call results in the error.
Thanks, Sam Sampson Omnibond Systems On Mon, Mar 10, 2014 at 1:56 PM, Becky Ligon <[email protected]> wrote: > Raul: > > Can you give me the exact error message that you are seeing? Is the error > message showing up in /var/log/messages, pvfs2-client.log, > pvfs2-server.log, or stdout from your program? > > Also, are you linking the application with the pvfs2 libraries or just > using the kernel module? > > Which version of OrangeFS are you using? > > Becky > > > On Mon, Mar 10, 2014 at 12:26 PM, Rob Latham <[email protected]> wrote: > >> >> >> On 03/10/2014 08:45 AM, Kist wrote: >> >>> Hi! >>> >>> I'm testing OrangeFS (pvfs2) in a small virtual cluster before we try it >>> on a big cluster for seismic processing. >>> I am running 8 CentOS with 2.6 kernel. All of them are servers (io) and >>> clients and the headnode is the metadata server. >>> >>> So far it's the best DFS I found and our standalone tools are working >>> alright on it but when I try to use our libraries with a different >>> client (as a plugin in another tool) I get a "Function not implemented" >>> error. >>> >>> I have no access to the source code of the client I'm using and, now, >>> I'm looking for the pvfs2 source code for "PVFS_ENOSYS" ("Function not >>> implemented") references but it seems a little bit more work than it >>> should be. >>> >>> So, I would like to know if you guys have some ideas of what could it be >>> (lock?) or some magic flag I can set to check what is this. >>> >> >> If you are using the kernel interface, the one routine we've explicitly >> disabled is fcntl() with the F_SETLKW and related flags. >> >> slang did this years and years ago >> >> http://www.orangefs.org/fisheye/orangefs/changelog/orangefs?cs=6613 >> >> The other thing to look at is certain kinds of mmap operations, but I >> never, even at my peak, remembered all the various details about that one... >> >> ==rob >> >> -- >> Rob Latham >> Mathematics and Computer Science Division >> Argonne National Lab, IL USA >> _______________________________________________ >> Pvfs2-users mailing list >> [email protected] >> http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users >> > > > > -- > Becky Ligon > OrangeFS Support and Development > Omnibond Systems > Anderson, South Carolina > > > _______________________________________________ > Pvfs2-users mailing list > [email protected] > http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users > >
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