Peter, just an FYI, my cdrom is an RRD45. Sent from my iPhone
On Dec 7, 2025, at 17:43, Peter Ekstrom <[email protected]> wrote: 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]<mailto:[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]<mailto:[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]<mailto:[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]<mailto:[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]<mailto:[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]<mailto:[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]<mailto:[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]<mailto:[email protected]> >>>> >>>> >>>
