Nigel, If you have two drives of the same volume name in VMS that will cause issues. You did not provide a lot of detail to give you specific answers. Its complex but here is a starting point https://www.vintagecomputer.net/browse_thread_record.cfm?id=604&tid=18 I am a hobbyist in vms, not an expert. Bill On Sun, Dec 5, 2021, 8:46 AM Nigel Johnson Ham via cctalk < cctalk at classiccmp.org> wrote: > I am trying to format a couple of SCSI drives on the Alpha. They are > connected using the external cable and are mounted in an Open Storage > Systems (OSS) box. The drives were working when removed from a PC. > > SRM shows only one of them coming up as DKA200. I have set the two > drive ID switches to 2 and 3. > > Lack of info is hampering me, I have gleaned form various sources that > the following command should work: > >>>> t scsi format a 2 0 > which just returns > >>>> OK > immediately, without doing anything. > > VMS allows me to ini the disk, but then when I try to mount it, I get an > operator services message saying it is offline, please mount volume in > _$3$dka200: > > Anybody with experience here? > > cheers, > > Nigel > > > -- > Nigel Johnson, MSc., MIEEE, MCSE VE3ID/G4AJQ/VA3MCU > Amateur Radio, the origin of the open-source concept! > Skype: TILBURY2591nw.johnson at ieee.org > > > >