On 2015-06-06 04:08, Mark J. Blair wrote:

On Jun 5, 2015, at 19:05 , Johnny Billquist <[email protected]> wrote:
See if you can spot the RT-11 file system in there.

Aha, is the console tape supposed to be in RT-11 format? That's something I can look for. 
My home-grown RT-11 filesystem finagling utility barfed on my "suspected good" 
raw image, but that could very well be a bug in my own code. I'll dig in with a hex 
editor tonight and look for the filesystem header blocks.

I definitely know that this is the case for the VAX-11/78x and VAX-86x0 machines. And you use EXCHANGE to access the files. I haven't properly looked at the 11/750, 11/730 or 11/725, but I don't think EXCHANGE understands anything else but the RT-11 filesystem. As far as I know, that was EXCHANGE existed for. It might be able to read DOS-11 tapes as well. (If we talk about pure 1/2" magtape.)

        Johnny

--
Johnny Billquist                  || "I'm on a bus
                                  ||  on a psychedelic trip
email: [email protected]             ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol

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