Hello Dmitry You seem to have exactly the same problem as I did (you may find my topic here dated month ago with subject "What does it mean (unify bug ?)"). This problem was fixed in latest tla releases. Specially I use QA-release from here: http://gnu.zresearch.com/~amar/qa-releases/glusterfs-1.3.9tla787.tar.gz and it seems to work fine. > When I coping many files to the unify over 2 afrs mount point it sometimes > places files on afr1 and one node of afr2. So I'm getting I/O errors because > file may exist only in one unify's subvolume (i.e. only in one afr). > > GlusterFS 1.3.9 (release, not tla). -- Best regards, Anton Khalikov