Remote copy status of the volume:

NONE (1) - volume is not associated with remote copy;
PRIMARY (2) - volume is the primary copy;
SECONDARY (3) - volume is the secondary copy;
SNAP (4) - volume is the remote copy snapshot;
SYNC (5) - volume is a remote copy snapshot being used for synchronization;
DELETE (6) - volume is a remote copy snapshot that is marked for deletion;
UNKNOWN (99) - remote copy status is unknown for this volume.