If you have a fully configured parallel sysplex, disruption to clients
should be minimal. On balance, less disruption than a system crash caused
by downlevel maintenance.
On Thu, Sep 23, 2021 at 9:33 PM Brian Westerman <
brian_wester...@syzygyinc.com> wrote:
> One of the things that you "lose"
One of the things that you "lose" when only IPLing once or twice per year is
the ability to install maintenance on a more frequent basis, at least anything
but individual fixes. To try to install an RSU upgrade without an IPL will be
very foolish.
As we previously stated by me and others,
Yes, SET SYSSCAN=0 is the same as SET =0.
By default, SYSSCAN=16. If it is overridden as, say, SET SYSSCAN=2 then
SYSSCAN=2 remains in effect until it is overridden again or restored to
its default value SYSSCAN=16 (which always applies, by default, unless
overridden.)
"You can assign a value
I was maintaining an IMS DB/DC and on occasion we would run a mid day
update. The online application would not see the update until the
next day.
On Thu, Sep 23, 2021 at 3:21 PM Ward, Mike S wrote:
>
> Hello, all. I don't know if any of you are doing disk replication to a DR
> site, but we
Hello, all. I don't know if any of you are doing disk replication to a DR site,
but we are, and we are trying to resolve a specific problem with CICS and VSAM
file.
CICS, in the case of LSR pools hold the data in the buffers until a buffer
shortage\wait type of condition occurs. When that
thank you for that information!
Are there any DB2 zParms that control CICS elapsed time reporting? like
ACCUMMAC?
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Bill,
DB2 will hold the thread open for a short time waiting to see if it can be
reused. It's expensive to create/destroy threads.
Do you have Omegamon, or CICS/Mon, or some other monitoring tool, mostly
for CiCS? If so, take a look at those transactions
and I think you'll see the DB2 time is
This is a question about at what point does CICS signal Db2 that the thread is
to be closed.
Db2 will close the thread and write the accounting record.
Situation:
DB2 SMF accounting records are showing subsecond Db2 time, and elapsed time of
30-50 seconds.
The caller is CICS, on the
oh yes I forgot SAS and when they moved to providing a DVD only it got
worse for mainframe installs and configuration
I don't have SAS here so I'm not sure it's changed but I'd hope so
Carmen
On 9/23/2021 12:23 PM, Allan Staller wrote:
Classification: Confidential
A "basic sysplex" would
Classification: Confidential
A "basic sysplex" would need an Instance of CTL-M on each image with little or
no overlap. Commands would need to be issued by the batch job to
(for example) set the "CICS DOWN" flag so the batch jobs can run. What a PITA!
Agreed on Candle. SAS is also notable in
On Thu, 23 Sep 2021 16:33:34 +0100, CM Poncelet wrote:
>To prevent the command processor from substituting whatever looks like a
>variable, code SYSSCAN={0||1|2|3},
>
(I don't know CLIST.) Is that equivalent to what I see in the Ref.:
SET =0
You can assign a value from 0 to
that's great info - I didn't know about them not supporting basic
sysplex, is that unsupported also for a single image system I wonder?
IIRC Candle's Omegamon suite was the same way - our way or no way, what
a pain.
for me IOA and the CONTROL configuration ISPF tool was far easier that
the
Classification: Confidential
From the standpoint of functionality, I consider Control-M to be one of the
Cadillacs of job schedulers.
That being said, I abhor the packaging of the product and the "my way(BMC's)
or the highway" approach to configuration and deployment.
There is one major
To prevent the command processor from substituting whatever looks like a
variable, code SYSSCAN={0||1|2|3}, then issue the (), then reset
to SYSSCAN=16 (default.) SYSSCAN=n means substitute up to n
SYSSCAN=0 means no & should be substituted.
To debug/trace, code CONTROL LIST SYMLIST CONLIST
On Thu, 23 Sep 2021 09:30:43 +0100, Martin Packer wrote:
>I'm not familiar with FANOUT but if it writes a record to, say, two
>destinations, it's got to copy one of them.
>
It could be deferred; Copy-on-Write, optimizing for what Hobart earlier
calledd the "typical case" of stages that don't
Thanks to all who have replied.
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Ward, Mike S
Sent: Wednesday, September 22, 2021 2:06 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: [EXT] Control-M
Please Note: This email is from an [EXTERNAL] sender. Do not click on links
Yes, checkpointing is increasingly important in a high volume workd, but it is
also increasingly more difficult. There is an OS facility for restarting from a
checkpoint, but it has significant restrictions and I wonder whether it has
been used in the last half century.
--
Shmuel (Seymour J.)
There are cases where you can apply a PTF to a live system and pick up the
service with dynamic LPA. There are cases where you can't pick up the service
without an IPL. And there are cases where you will break things.
It's not my dog.
--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3
Peter,
Thanks for getting the information.
The unique key was critical in being able to re-bundle the "broken" records.
Regards, Pierre.
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Not aimed at you Lennie :-) , not pre-announcing anything :-), having no
insight to bring, but at that price I'd like to think of that also as
Retiree Edition. No smiley because I'm serious that I would consider it.
It's about the price of an Apple Developer annual subscription - which I
would
Has anyone else any information on the zD Learner's Edition that was
recently shown on the IBM zZ pages?
https://www.ibm.com/products/z-development-test-environment/pricing
It appears that IBM has removed some references to it now, although the FAQs
on that page (need to scroll down) still show
There are lots of things that breaks pipelines - and so recovery is a
necessary thing to think about and build in.
I guess the difference between Pipes and pipes :-) is one of granularity.
A (CMS-style) pipeline is probably one you're more willing to restart in
its entirety.
Cheers, Martin
I'm not familiar with FANOUT but if it writes a record to, say, two
destinations, it's got to copy one of them.
Cheers, Martin
Martin Packer
WW z/OS Performance, Capacity and Architecture, IBM Technology Sales
+44-7802-245-584
email: martin_pac...@uk.ibm.com
Twitter / Facebook IDs:
Doesn't Dynamic LPA cover this?
Cheers, Martin
Martin Packer
WW z/OS Performance, Capacity and Architecture, IBM Technology Sales
+44-7802-245-584
email: martin_pac...@uk.ibm.com
Twitter / Facebook IDs: MartinPacker
Blog: https://mainframeperformancetopics.com
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