VMS help

I'm trying to mount a disk on vms and getting an error that I don't understand. I'm attempting to mount a disk (a RZ56 on DKA100:), and get the result %MOUNT-F-ILLOPT, qualifier(s) not appropriate to this device to both of my attempts to mount it: MOUNT /OVER=ID DKA100: MOUNT /FOREIGN DKA100: The drive shows up in a SHOW DEV /FULL DKA100: Disk BERNAL$DKA100:, device type RZ56, is online, file-oriented device, shareable, error logging is enabled. Error count 0 Operations completed 3023 Owner process "" Owner UIC [0,0] Owner process ID 00000000 Dev Prot S:RWED,O:WRED,G:WRED,W:RWED Reference count 0 Default buffer size 512 Total blocks 1299174 Sectors per track 54 Total cylinders 1604 Tracks per cylinder 15 The system came from someone else, and was in a vaxcluster (it's not anymore - I disabled joining a cluster in the boot args for VMS. I've checked in they SYSTEM account's LOGIN.COM file and didn't see any aliases setup for mount. Any ideas? -- Pat