Le 09/09/2013 10:50, Xavier Hernandez a ?crit : > Al 09/09/13 09:59, En/na Olivier Desport ha escrit: >> Hello, >> >> I've created a distribued volume with two bricks. The shares are >> partitioned in XFS. Locking doesn't seem to be activated : when I >> write in the same file with two different clients, no error occurs. >> >> What option should I enable on the volume to enable locking ? >> > Locking is active always, however POSIX (the standard used by > GlusterFS) does not impose an exclusive access to files. Under POSIX, > it is the responsibility of the application to coordinate concurrent > accesses to files using explicit calls to fcntl() to coordinate them. > Even using this, another application can read/write the file if it > does no use an explicit call to fcntl(). > > Since GlusterFS is POSIX-compliant, it is the expected behavior that > two clients could write to the same file at the same time. The > resulting file may have a mix of writes from both clients. > > Best regards, > > Xavi Thanks for your answer. > >> Thanks >> >> >> >> >> _______________________________________________ >> Gluster-users mailing list >> Gluster-users at gluster.org >> http://supercolony.gluster.org/mailman/listinfo/gluster-users > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://supercolony.gluster.org/pipermail/gluster-users/attachments/20130909/8d0fe110/attachment.html>
