Mac OS X SERVER + XSAN + Storage

Good afternoon.
At the moment there is a problem with inheritance rights. Namely, there is a server with MAC OS X (opendirectory) + server xsan + storage
The storage is a folder, say, "test", it assigned the following rights: The user admin - reading and writing, the group wheel - reading and writing, the band stuff - read and write, everyone - reading and writing. There are user user (with opendirectory) on your mac pro is connected to the storage and starts as soon as the upload files to test pacu, change the permissions on user - read and write, everyone - no access.
That's why this is so? Why files or folders do not inherit rights from parent folder?