4 Jun
2022
4 Jun
'22
10:13 a.m.
The metadata is exactly one extra block, and it's definitely been around
for longer than a month or two.
It's been disagreed on for a while by at least me (and I think some
others). I don't know why it suddenly triggered the big discussion just
recently. Personally, I've mostly been exchanging mails directly with
Mark about it.
But I cannot remember when it actually came about. Like I said, go and
check the last block of your images if there is something "funny" there.
But I'm even more behind than you are. I'm running a version more than 2
years old. And as far as I can tell, that version isn't changing the images.
Johnny
On 2022-06-04 03:12, Robert Armstrong wrote:
I got the impression from the email thread that it
was a fairly recent
(e.g. this May) change, but that might just be when people started noticing.
It looks like the last time I updated my simulators from github was around
April 2021, so hopefully I'm OK. I also see that all my disk images are an
exact multiple of 512 bytes, which is also a good sign (unless of course the
metadata is 512 bytes too!).
It's a bit of a concern because from time to time I copy simh simulated
disk image files to a real, physical, disk (RL02, RA7x, RA8x, etc) and I
also do the reverse (make simh disk images by copying physical disks).
That's always worked flawlessly in the past.
I also had no idea that Bob Supnik was independently working on a simh
update, nor that Mark's github repository was his own personal project. I
guess I always assumed that it was "sanctioned" in some way. Silly me...
Bob
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