[rescue] Looking for sun4 SunOS4 QIC tapes

[Dave McGuire]

  Yes, by definition that will work.  But one must know to perform
multiple invocations of dd until reaching EOT.

             -Dave

On 08/30/2017 02:14 PM, Peter Stokes wrote:
> Hi Dave
> 
> If you use a non rewind device then multiple dd per tape should be possible.
> 
> Peter
> 
> Sent from my iPad
> 
>> On 27 Aug 2017, at 17:44, Dave McGuire <mcguire at neurotica.com> wrote:
>>
>>  Unless these are single-file tapes, dumping with dd is unlikely to be
>> sufficient.  It would stop at the first file marker, leaving any
>> subsequent files unread.  It's important to use a program that knows
>> about tape structures to create tape images.
>>
>>              -Dave
>>
>>> On 08/27/2017 12:21 PM, Plamen Mihaylov wrote:
>>> I already made dumps with dd, you can download the files from
>>> m88k.com/4.0.3+4.1.1.7z
>>>
>>>> On Sun, Aug 27, 2017 at 6:05 PM, Andrew Liles <blah at spilk.org> wrote:
>>>>
>>>> Awesome... could I convince you to dump copies of them, or perhaps send
> the
>>>> tapes if you can't? I think the old 'copytape' program would preserve the
>>>> structure of the tapes, but maybe there is a better way. I have a QIC-150
>>>> drive hooked up to a SPARCstation IPC that should be able to read them.
>>>> Assuming the tensioning belt hasn't disintegrated in them...
>>>>
>>>> Willing to pay reasonable costs for the tapes of course.
>>>>
>>>> -a.
>>>>
>>>>
>>>>> On Aug 27, 2017, at 7:23 AM, Plamen Mihaylov <plamenspam at afterpeople.com
>>>>>
>>>> wrote:
>>>>>
>>>>> I have 4.0.3c and 4.1.1 tapes for sun4c.
>>>>>
>>>>>> On Sun, Aug 27, 2017 at 4:23 AM, Andrew Liles <blah at spilk.org> wrote:
>>>>>>
>>>>>> Looking specifically for the 2x QIC-24 SunOS 4.0.3c sun4c SUNBIN tapes
>>>> but
>>>>>> any
>>>>>> tapes relevant to the SunOS 4.0 - 4.1.4 era for SPARC would be nice to
>>>>>> have.
>>>>>> Were tape distros made for sun4m machines?
>>>>>>
>>>>>> Ib m sure many of these tapes are degrading at this point and Ib m not
>>>>>> seeing a whole lot of preservation of pre-Solaris SunOS releases for
>>>> SPARC
>>>>>> around - maybe Ib m mistaken! Also seemingly hard to locate are any of
>>>> the
>>>>>> optional distribution tapes for SunOS4 sun4 - like OpenWindows 1.0,
> etc.
>>>>>>
>>>>>> sun3arc.org <http://sun3arc.org/> seems to be a great source for
>>>> 68k-era
>>>>>> machines but havenb t found an equivalent for sun4[emc]
>>>>>>
>>>>>> Would be happy with the physical tapes themselves or dumps of the
>>>> contents.
>>>>>>
>>>>>> Thanks!
>>>>>>
>>>>>> -a.
>>>>>> _______________________________________________
>>>>>> rescue list - http://www.sunhelp.org/mailman/listinfo/rescue
>>>>> _______________________________________________
>>>>> rescue list - http://www.sunhelp.org/mailman/listinfo/rescue
>>>> _______________________________________________
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>>> _______________________________________________
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>>>
>>
>>
>> --
>> Dave McGuire, AK4HZ
>> New Kensington, PA
>> _______________________________________________
>> rescue list - http://www.sunhelp.org/mailman/listinfo/rescue
> _______________________________________________
> rescue list - http://www.sunhelp.org/mailman/listinfo/rescue
> 


-- 
Dave McGuire, AK4HZ
New Kensington, PA