I gotcha. I don't know if I have seen a SCSI DVD drive. I guess I have never looked for one. That's a good idea though. When I run low on CD-Rs I'll have to look for one.
Thanks, - Peter On Sun, Dec 7, 2025 at 8:30 PM Wayne S <[email protected]> wrote: > I was just suggesting thst you might be atto replace the cd drive with a > dvd drive. Maybe there is a driver available for vms. > > Sent from my iPhone > > On Dec 7, 2025, at 17:19, Peter Ekstrom <[email protected]> wrote: > > > 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] >> >>>> >> >>>> >> >>> >> >
