I totally forgot the PDP11-C manuals I do have contain instructions for
multiple OSes, including RSTS/E.
So it seems the step I was missing was to create the AUTOIN$: directory.
Once I did that and ran autoin
I have been able to install it. So that problem is solved now.

- Peter

On Tue, Oct 13, 2026 at 11:55 PM Zane Healy <[email protected]> wrote:

> This sounds really familiar, but it has probably been close to 15 years
> for me and it was real hardware.  My /73 has a DEC TLZ06 4mm and a TZ30
> (TK50).  I installed the OS from 4mm, but had to install the at least one
> layered product from TK50.
>
> I would recommend that you switch your tape drive type to TMSCP, and give
> that a try.
>
> Zane
>
>
>
> On Oct 13, 2026, at 7:04 PM, Peter Ekstrom <[email protected]> wrote:
>
> 
> Hi Zane,
>
> It is a simulated one, to be completely honest. :) I am using the TS05
> drive and I can restore the auto-installer,
> and I can get the directory of the tape, as well as the backup sets. It's
> just when I try to install CCC that it fails.
> It seems to look for something under [1,2] but I don't know what. And
> sometimes it just says something is corrupt.
>
> - Peter
>
> On Tue, Oct 13, 2026 at 9:57 PM Zane Healy <[email protected]> wrote:
>
>> What type of tape drive?  I seem to recall the layered products being
>> pickier than the OS.  Real HW or emulsion?
>>
>> Zane
>>
>>
>>
>>
>> > On Oct 13, 2026, at 6:48 PM, Peter Ekstrom via cctalk <
>> [email protected]> wrote:
>> >
>> > Hi all,
>> >
>> > So I have started playing around with RSTS/E v10.1 on one of my PDP-11s
>> and
>> > I am trying
>> > to install PDP11-C v1.2. I have the auto-installer in [82,6] and the
>> tape
>> > mounted but it fails:
>> >
>> > $ @[82,6]autoin
>> > RSTS/E Auto-Install Procedure V1.1
>> >
>> >     18-Oct-26 01:47 AM
>> >
>> > Type "?" for help; CTRL/Z to end; or valid input.
>> >
>> > Which product(s) do you want to install? ccc
>> >
>> > Type "?" for help; CTRL/Z to exit Auto-Install; or valid input.
>> >
>> > Where are the update files located <PATCH$:>?
>> >
>> > Type "?" for help; CTRL/Z to skip this product; or valid input.
>> >
>> > Which device are the distribution files for CCC (CCC) located on
>> (include
>> > colon)
>> > ? ms0:
>> >
>> > Products being installed:
>> >    Device Product Task name
>> >    ------ ------- ---------
>> >    MS0:   CCC   (CCC)
>> >
>> > Determining system configuration.
>> >
>> > FATAL -- Auto-Install internal data structure corrupted; procedure
>> >         aborting.
>> >
>> > Auto-Install ended at 18-Oct-26 01:47 AM.
>> >
>> >
>> > I don't have the documentation for C for RSTS/E so, what am I missing?
>> > Following this exact same process in RSX-11M+ works fine with the media
>> for
>> > RSX.
>> >
>> > I have the RSTS/E manuals, just not the ones for the layered products.
>> >
>> > Thanks in advance for any help or pointers.
>> >
>> > - Peter
>>
>>

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