I did the same thing my first month as a sysprog. Thank goodness for shared
DASD and a second system.
Since it's Friday:
On a similar note, we were running a very early release of MVS on an
Amdahl V6 (serial #19).
We had been told that a couple of other accounts were doing this
successfully.
We started getting very strange failures on JES2, IMS, TCAM and
assorted other products & jobs.
The standalone dump showed code running in random address spaces, e.g,
JES in IMS, TCAM in JES, and so forth.
Turns out that the segment table origin stack was mapping every address
to the same segment table.
We were told it was an engineering bug (not a specific machine hardware
problem),implying that we were actually the first to run MVS on an Amdahl.
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf
Of John McKown
Sent: Friday, October 30, 2015 7:57 AM
To: [email protected]
Subject: Re: Releasing Orphan Storage without IPL
On Fri, Oct 30, 2015 at 5:25 AM, Elardus Engelbrecht <
[email protected]> wrote:
> Shane Ginnane wrote:
>
> >Junior sysprog was using a well-known monitor that showed a bunch of
> "unused" shared storage. He decided we could use it, so decided to free it.
> ...
>
> >... Still scratching our heads when afore-mentioned junior returned
> >and
> wanted to know what all the kerfuffle was ....
>
>
> Ouch! Ouch! Ouch!
>
> Did you 'freed' that junior to the pavement and reclaimed his office table?
>
Telling on my own idiocy. My first year as trainee sysprog, on OS/VS1. I did
an IEBCOPY compress on the running SYS1.LINKLIB. System went belly up.
And it was _not_ a test system. It was in use as the dispatching system for the
police force in the city of Ft. Worth, TX (A "big" city. Yes, I hear the NYC
people laughing at me for calling it that). Luckily, we had an identical
system on a 2nd box and I was able to copy the SYS1.LINKLIB on that system onto
the other system, then reIPL.
>
> ;-D
>
> Groete / Greetings
> Elardus Engelbrecht
>
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--
Schrodinger's backup: The condition of any backup is unknown until a restore is
attempted.
Yoda of Borg, we are. Futile, resistance is, yes. Assimilated, you will be.
He's about as useful as a wax frying pan.
10 to the 12th power microphones = 1 Megaphone
Maranatha! <><
John McKown
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