EVMS is the only supported volume manager for NSS volumes on OES 2 Linux.
Although some administrators have successfully created NSS volumes on hard disks managed by non-EVMS volume managers, there are serious management and configuration limitations associated with this unsupported implementation. For more information, see Using NSS on Devices Managed by Non-EVMS Volume Managers (Linux)
in the NW 6.5 SP8: NSS File System Administration Guide.
NOTE:EVMS support is automatic and requires no manual configuration unless NSS is being installed on the device that contains the boot (/boot) and root (/) partitions (the system device). In that case only you must follow the instructions in Installing with EVMS as the Volume Manager of the System Device
in the OES 2 SP2: Installation Guide.