[Info-vax] Connecting uVAX3100-95 or -96 to MSA30 via SCSI

[Bob Eager]

On Tue, 31 May 2011 02:00:10 -0700, Hans Vlems wrote:

> On 30 mei, 10:12, Johnny Billquist <b... at softjar.se> wrote:
>> On 2011-05-30 00.30, Hans Vlems wrote:
>>
>>
>>
>>
>>
>> > On 26 mei, 14:56, CY<christ... at gmail.com>  wrote:
>> >> Anyone seen this be done, did a preliminary test with an old 3100-40
>> >> but it didnt find any from
>>
>> >>>>> sho dev
>>
>> >> Any hope on upgrading the KA420-ROM-PATCH, It seems to fix some boot
>> >> problems on 3100-10 with +1G disks.
>> >> Found a cable SCSI1-SCSI3 (or VHDCI) but what that was intended for
>> >> in the first place - no one knows (remembers).
>>
>> >> Golden egg only show BA Storage work cabinets.
>>
>> >> Going to try a MSA30 if I find one.
>>
>> >> Would like some new replacement for RZ26-VA thats been running a lot
>> >> of years now but dont want to buy refurbished disks with 60 day
>> >> warranty.
>>
>> > Narrow SCSI disks (50 pin connector) are not easy to find, not even
>> > on eBay.
>> > Wouldn't it be possible to partition a drive with a>>  1 GB capacity
>> > with just one
>> > 1 GB partition? Does VMS recognise the partition, and will it boot
>> > off that partition?
>>
>> What kind of partitioning? Something that is visible outside of the
>> controller, then no. VMS does not recognize "partitions". However, if
>> you have a controller that can present a physical disk as several
>> virtual disks, partitioning it, then it will work just fine.
>>
>> For VMS, a disk is a disk. No such things as "partitions".
>>
>> That said, I have found that modern disks works fine with old
>> controllers, as long as you get an adaptor to actually connect them.
>> But finding a disk with less than 1Gb today is impossible, I'd guess.
>>
>>         Johnny- Tekst uit oorspronkelijk bericht niet weergeven -
>>
>> - Tekst uit oorspronkelijk bericht weergeven -
> 
> Johnny,  I know VMS itself doesn't use partitions and has no way of
> knowing about them. I was looking for a solution like Bob Eager offered,
> modifying the disk in such a way it presents itself as a 1 GB disk. Hans

I have a DOS program that I wrote to do it...pretty manual and 
interactive. Of course, you need a PC with a SCSI controller and ASPI.

Google 'scsitool', too.

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