I have a stack of CD-R disks so I'll burn an ISO image I have onto one of those and give that a try. A CDROM drive can't read a DVD so it has to be a CD-R.
- Peter On Sun, Dec 7, 2025 at 5:27 PM Wayne S <[email protected]> wrote: > Also: what kind of cd is your cdrom going to use? I have an Alphastation > 200 and the cdrom only takes the old 640 mb cd’s which are difficult to > find. > Maybe a dvd drive could work? > > Sent from my iPhone > > > On Dec 7, 2025, at 14:25, Wayne S <[email protected]> wrote: > > > > Anything interesting software on the system? > > > > Sent from my iPhone > > > >> On Dec 7, 2025, at 14:20, Peter Ekstrom via cctalk < > [email protected]> wrote: > >> > >> Yeah, both ideas are good ideas. I am considering replacing the rz25, > or > >> adding a ZuluSCSI, that way I could assign one of the devices for > backups. > >> For now, I am just trying to preserve what's on the disk now. I want to > do > >> a fresh install once the CDROM arrives. It is an interesting exercise > to me. > >> Right now that RZ25 is running nicely without much noise so no rush I > don't > >> think, but still. > >> > >> - Peter > >> > >>> On Sun, Dec 7, 2025 at 5:00 PM Hans-Ulrich Hölscher via cctalk < > >>> [email protected]> wrote: > >>> > >>> ... and the resulting backup will be much more reliable than the one > >>> written by an old tape drive (which model, by the way?) on a possibly > old > >>> tape, if that ever succeeds. > >>> I made especially frustration experiences using the once famous TK50 > >>> drives, and even (a little) more recent DAT drives tend to fail very > often > >>> nowadays. > >>> One disadvantage, however, is the necessary struggle with licensing, > >>> although that can be managed with a little help. > >>> Another option is a backup over network WITHOUT using an operating > system > >>> running on the system to be saved. Unfortunately it has up to now been > >>> tested on MicroVAX I and MicroVAX II systems using a DEQNA or DELQA > network > >>> adapter only. It uses a simh VAX to send a special machine language > program > >>> to the backup target computer, on that the program in turn uses MSCP > >>> commands to send a bit-wise disk copy back to the simh VAX. It is new, > it > >>> is unconventional, but it has been successfully tested on several > MicroVAX > >>> I and MicroVAX II computers. I think it is time to get out one of my > >>> VAXstation 3100s (won't make any difference) and test it there. But you > >>> will need to be patient – other projects have priority for the time > being. > >>> To be honest - I expect the program will need adaptation to the newer > >>> hardware, especially the network adapter - MSCP hasn't changed I think. > >>> > >>> Am So., 7. Dez. 2025 um 22:27 Uhr schrieb Antonio Carlini via cctalk < > >>> [email protected]>: > >>> > >>>>> On 07/12/2025 20:27, Peter Ekstrom via cctalk wrote: > >>>>>> I managed to reset the system password so now I can login as well. > It > >>>>> runs > >>>>>> pretty well. > >>>>>> I tried to make a tape backup of what's on the disk but it seems > all my > >>>>>> tapes dirty-up > >>>>>> the head of the tape drive. Anyone know of a way to clean an actual > >>> tape? > >>>>> Pull all the > >>>>> tape out and wipe it with a dry cloth? > >>>> > >>>> One option would be to create a SIMH VMS host, configure it to be in a > >>>> cluster, configure your real HW uV3100 to be a satellite node (booting > >>>> off a root on the SIMH host system disk), boot the uV3100 into the > >>>> cluster, mount the uV3100 disk and back it up with BACKUP. > >>>> > >>>> That might be easier and quicker than cleaning a tape. > >>>> > >>>> > >>>> Antonio > >>>> > >>>> > >>>> -- > >>>> Antonio Carlini > >>>> [email protected] > >>>> > >>>> > >>> >
