DEVINIT to a new file, delete the old.

Hello,

an an actually used (TK4-) system, printer output files tend to get large over time. So I want to truncate them to zero. I'm running 4.3.9999.0-SDL-g9ceed2cc on Linux.

What is the recommended way to do this without stopping and restarting hercules? Usually, a program has to be forced to close and reopen a file, so the actual blocks on disk are freed.

I did some research on the net but found nothing related.

Thanks!

:wq! PoC

PGP-Key: DDD3 4ABF 6413 38DE -

On 2020-07-16 3:05 AM, cjar1950 via groups.io wrote:

in SYS2,LINKLIB, I have?37.0, which may have been installed from the Prycroft site.
in SYSC.LINKLIB (which is Jays SYSCPK v 1.17), I also have 37.0. Jay appears to have added this to SYSCPK very recently.
in SYS2.CMDLIB, I have v 47.1, which appears to have been installed from a REVIEW installation.

Can/should I just delete the old version from SYS2.LINKLIB?

Sure, why not?

The later version has support for processing segment overlay programs.

Cheers,
Greg

I was looking at the versions of software on my MVS38J builds, and noticed that I have 2 different versions of REVLMOD.

in SYS2,LINKLIB, I have?37.0, which may have been installed from the Prycroft site.
in SYSC.LINKLIB (which is Jays SYSCPK v 1.17), I also have 37.0. Jay appears to have added this to SYSCPK very recently.
in SYS2.CMDLIB, I have v 47.1, which appears to have been installed from a REVIEW installation.

Can/should I just delete the old version from SYS2.LINKLIB?

Chris

?

Hi Mark,

Can you point me to some documentation for interconnecting 2 MVS guests using CTCs and VTAM?? I've got the CTCs genned in MVS, but haven't found any documentation yet on how to take advantage of them.? I'd prefer to work outside of VM, but I'll start there to get it working and then move it outside if I have to.

Thanks,
Jeff

Mark is right.? When LPARs first came out every once and awhile you would get some VM errors messages as it crashed. It was originally just a VM system with the covers closed so that you didn't have to "learn" VM and could not run applications on it.

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Creating paging volumes at the guest or host level?

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Rahim,

If you load and run VM/370 as the primary OS, then you can run multiple operating systems under it, each in their own "virtual machine."? You could run DOS/360, DOS/VS, OS/360 (MFT or MVT, your choice), or OS/VS1 or MVS 3.8J ...

And of course you can also have multiple users signed on to VM running CMS... all at the same time.

Where do you think "LPARs" came from originally?? :-)

Hope that helps,

Mark S. Waterbury

The JCL listed in the manual has 2 errors in it.? For the "IN" dd, delete one of the DISP= keywords.? For the "COPY" statement, delete the space after the comma.

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$VS,'V SYSLOG,HARDCPY'

This seems to only work from the console, and not after shutting down JES2 and restarting it.? Odd.

However, SYS1.PARMLIB(IEASYS00) can also be tweaked, changing the HARDCPY line from 30E to SYSLOG:

HARDCPY=(SYSLOG,ALL,CMDS),

This captures everything from IPL start.

My primary problem was that I didn't think it was supported at all in the current SYSGEN.? Clearly it is, and simply not enabled.?

I'm not sure log to spool is useful on a Hercules system where browsing can be done on the host system output of 30E, but it's what I'm used to.? :-)

-- 
Drew Derbyshire

"Buckaroo . . . can you verify operational capability??"

On 7/11/20 12:57 AM, Greg Price wrote:

$VS,'V SYSLOG,HARDCPY'

Holy Ceiling Cat, it worked.? I thought I tried that, or something close to it.

--
Drew Derbyshire

Those who cannot remember the past are condemned to repeat it.
-- George Santayana

On 2020-07-11 7:40 AM, Drew Derbyshire wrote:

Does someone know the exact work need to enable it SYSLOG to spool?

My memory is that back in the day, we did not specify any hardcopy console or printer in the I/O gen, and would have set SYSLOG to hardcopy, quite possibly with a
$VS,'V SYSLOG,HARDCPY'
command at the end of JES2PARM.

Then the trick becomes getting JES2 up before you run out of WTO buffers.? The only time it became an issue was when there were problems which prevented JES2 from coming up, and if you entered into a long WTO dialog the 80% buffer full message came along, continuing to escalate until JES2 came up and relieved the buffer shortage.

Cheers,
Greg

As had been pointed out before the the basic MVS 3.8j sysgen which is the basis for what most of us use has SYSLOG to spool disabled, and the log has to go to a physical printer,

Does someone know the exact work need to enable it SYSLOG to spool?? (And what it would break in terms of lost patches and the like?)

-ahd-

--
Drew Derbyshire

"I have always wished for my computer to be as easy to use as my
telephone; my wish has come true because I can no longer figure out
how to use my telephone." -- Bjarne Stroustrup

Thanks. I had discovered the first two a different way, but now searching the file names brought me to bitsavers. Thanks. The stash of manuals will keep me busy for a while.

Hi Patrik,

It's great to hear that Volker is alive and well!

If you are able to get in touch with him, perhaps he can also sign over his ownership of the domain to you, and/or someone else as well.? As it is, no one except him can do anything with the original domain, except for paying the renewal fee, when it comes due.? At this point, it seems that Network Solutions is only "hosting" the domain name.? When the renewal comes up again, prior to 6/30/2022, another hosting company could be paid much less, to just register the name, and no one will have to pay a "re-instatement fee".? Without ownership of the domain, none of this is possible, as transfer to a new registrar cannot be accomplished without ownership.

ScottC