Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

Jerry Weiss jsw at ieee.org
Sat May 6 15:21:35 CDT 2017


I stand corrected.  It appears that the handwritten label has a ODS1 style numerical UIC.

The printed directory may not actually be from the floppy media itself.  It is
hierarchical.   So perhaps it is from some ODS2 media that is holding the files 
that are being transferred to/from the Floppy. 


Jerry 


> On May 5, 2017, at 6:16 PM, allison via cctalk <cctalk at classiccmp.org> wrote:
> 
> After looking at all that...
> 
> The prompt is VMS the $.  The date makes it V3.6 to 4.2.
> I'd still bet that its Files-11 not ODS-II.
> 
> I'd have to check of the DCL prompt under RSX-11 is also $.
> 
> Either way the save command under VMS will have defaults for the device
> target
> and that a lookup on the Orange or Grey wall (manuals).
> 
> Allison
> 
> 
> On 05/05/2017 06:26 PM, Jerry Weiss via cctalk wrote:
>>> On May 5, 2017, at 5:13 PM, Jerry Weiss <jsw at ieee.org> wrote:
>>> 
>>> 
>>>> On May 5, 2017, at 4:58 PM, Terry Stewart via cctalk <cctalk at classiccmp.org <mailto:cctalk at classiccmp.org>> wrote:
>>>> 
>>>>> In case not everyone noticed, but Terry's already given up on this
>>>> Lol, true. The disks will be given back on Monday.  It's no big deal.  The
>>>> owners can decided what they want to do.  Even if I can't read it the
>>>> disks, however, pondering just what the format might be is fun. I'm
>>>> certainly learning something. Feel free to keep speculating if you are so
>>>> inclined.
>>>> 
>>>>> I still think the best suggestion was the one about posting what's on the
>>>>> printed sheet that appears to be a directory listing
>>>> Here it is:
>>>> 
>>>> http://www.classic-computers.org.nz/blog/images/2017-04-15-vax-disk-cover.jpg <http://www.classic-computers.org.nz/blog/images/2017-04-15-vax-disk-cover.jpg>
>>>> 
>>>> Some more info.  Anadisk tells me the disks are Single Sided, Single
>>>> Density.  It can see ID marks as it tracks a disk but that is all.  It
>>>> can't see any data.  Could be an RX02 disk as people say...
>>>> 
>>>> Terry (Tez)
>>> 
>>> Looks like ODS2.  The files appear to be RUNOFF.   Quick guess is that they
>>> are the appendices to some document or manuscript.
>>> 
>>> 
>> Mr Obvious here (missed the handwritten text in the label at first). 
>> 
>> The .RNO files should contain human readable text.  It no-one has a VAX
>> with an RX02, it should be possible to image the disk from a PDP11 and
>> then mount the image in elsewhere to recover the data.
>> 
>> 
>> 
>> 
>>>> 
>>>> On Sat, May 6, 2017 at 8:50 AM, allison via cctalk <cctalk at classiccmp.org <mailto:cctalk at classiccmp.org>>
>>>> wrote:
>>>> 
>>>>> On 05/05/2017 03:39 PM, Fred Cisin via cctalk wrote:
>>>>>>>> Terry is doing it for fun; we can't expect the others to.
>>>>>> On Fri, 5 May 2017, Bill Gunshannon via cctalk wrote:
>>>>>>> I would.  :-)  Or maybe for beer.
>>>>>> I doubt that Allison will want to underbid THAT!
>>>>>> 
>>>>>> 
>>>>> Free beer?!?  No, no,no...
>>>>> 
>>>>> Allison
>>>>> 
>>> Jerry Weiss
>>> jsw at ieee.org <mailto:jsw at ieee.org>
>>> 
>>> 
>>> 
>> Jerry Weiss
>> jsw at ieee.org
>> 
>> 
>> 
> 






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