Aw darn! I was hoping you'd be there until I retired next summer!
Congratulations, and enjoy it.
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We've just done a couple of REPRO MERGECATs that were fairly large, and took
some time, so I was wondering:
Can MERGECAT performance be improved by altering the buffer space values for
either the input or output catalog, or both?
Well, if IBM still started with markup (DCF / GML etc.) for their documents,
then they could use a different set of markup handlers and output something
that would be a good start. If they're using something else for document
creation, I think doing a 'save as' to certain document formats
Bear in mind that Kindle, and many other ereaders, are designed to
automatically reflow text to fit user options like text size. Which works
great for text, not so well for images like diagrams. The best think I've
found for diagrams so far is to put the diagram on a page by itself and make
I am reading and posting via the web interface, so I don't always see the
messages real time.
I am trying to find my way with this Copy/Export business.
It doesn't seem as though modifying virtual volumes to indicate anything makes
sense, but I'm reserving judgement on that.
I can see
I would like to assign a sequence number to the input of ICETOOL, with a limit
on the maximum number - so for example, the number would increment from 1
to 6, then start at 1 again.
Can I combine the seqnum and MOD operations to do it in one pass, or do I
need to add sequence numbers, create
Example input, RECFM=FB,LRECL=14:
DSK001 100
DSK002 3962002
DSK003 0001001
DSK005 200
DSK006 200
DSK008 010
DSK007 0001002
DSK004 0527192
Two fields: VOLSER in 1-6 and SIZE in 8-14.
I want to assign a 'sequence' number to the input from 1 to 4, so that I can
sort these into 4
SMFDUMP is used on some of the LPARs at the consolidated site where I work.
The program is run via automated job scheduler; frequency varies by how
busy that LPAR is.
SMFDUMP has a problem sometimes where it hangs. I haven't seen an
enqueue cause. I haven't taken a dump of it yet but I
As with all things, YMMV, but I have had success moving from VTS/VSM to
DASD. It was hard to quantify cost savings, because the vendor didn't
separate out cost of the virtual box (including its DASD) from the cost of the
robotic library.
Some important factors, in my opinion:
1. Do you have
No, and I didn't mean to imply that it was.
We use native high-capacity cartridges for ML2. It has its own management
challenges of course, but is working well for us right now.
One question often comes up when discussing using tapeless systems for ML2:
If I'm going to have it on disk
Thanks to all who replied, and apologies for not tracking this in a timely
manner (life intervenes, etcetera) to the thread on IEFBR14 DELETEs and HSM
recalls.
I had not heard of the enhancement to z/OS 1.11 that should do just what I
want it to, but I'll check it out.
In a 2008 thread on people using IEFBR14 to do deletes there as this:
Indeed, how should Allocation know whether the program about to execute
wants to do something with the dataset(s) before deleting it/them?
Perhaps Allocation could be educated to issue HDELETE iff the dataset
is migrated *AND*
We need to TERSE a fairly large (for us) amount of data. This data is in
multiple separate datasets now, but needs to be sent as one large sequential
dataset. We can TERSE the concatenated sequential input of course; but out
of curiosity I'm wondering: can you TERSE the individual components,
Somewhere in our migration to z/OS 1.9 (pretty sure it wasn't this way on
1.7), our IEFUJV exit started getting invoked for OMVS address spaces. Since
this exit tries to enforce TIME= and account numbers on job cards, it fails our
OMVS address spaces.
We coded, in SMFPRM, SUBSYS(OMVS,NOEXITS)
Really two questions I guess.
1. We have variable length records with the data similar to COBOL 'OCCURS
DEPENDING ON' clauses - a count of the number of segments to follow,
followed by those segments. Is there a way to handle these in
INREC/OUTREC/OUTFILE ? I already thought of using IFTHEN
I know the offset and format of the count, and I certainly can compare it to a
literal. The problem is not knowing the maximum value the count could have in
any group of records (and each record can have a different value for the
count). I could for example, code the IFTHEN statement to handle
-dataset
volumes... but others don't. The only thing I could think of would be to
rewrite the dataset with DISP=OLD and a new EXPDT= but I can't see that
you could do it without recreating the dataset - for example, by reading
it and coding EXPDT= in the JCL.
Tim Hare
Senior Systems Programmer
Support Management
Systems Management
Several of those might be of interest to manager types.
Tim Hare
Senior Systems Programmer
Florida Department of Transportation
(850) 414-4209
Lizette Koehler [EMAIL PROTECTED]
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07/13/2007 07:48
http://arstechnica.com/news.ars/post/20070711-legacy-matters-why-the-ibm-mainframe-continues-to-thrive.html
referenced article
http://www.itjungle.com/big/big071007-story01.html
Tim Hare
Senior Systems Programmer
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:
with the large number of servers, automating how things go daily is a
challenge I'm sure... I am, as are many of us, spoiled by the 'set it and
forget it' way of the mainframe where you can set up a process and it's
still working 3 decades later (recently had to review one of these!).
Tim Hare
Senior
the calculations correctly.
Tim Hare
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, in other
words. If I'm overlooking something, please enlighten me.
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address in the ICC's address range to connect and match up; but as far as
I know you can't do it from any IP address you want.
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Do you have PDSFAST, FDRREORG, or other product which replaces IEBCOPY ?
You may need to re-install, or at least look into, the usermod or other
hook that does provides the IEBCOPY entry point.
Tim Hare
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IBM
,
and I'm sure it's improved since then.
Tim Hare
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to route
through an MTA in that infrastructure it's possible I could get an
exception granted.
Tim Hare
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And, Carmen, even if you _are_ perturbed because we didn't solve your
problem for you, there are more polite ways to express it.
Most of us have our own fires to fight, for employers who put money in the
bank, so forgive us if our volunteer work comes second.
Tim Hare
Senior Systems
Question: how do we know that your organization is not just asking us to
provide a way to disrupt mainframe systems? No offense intended, at all;
it's just a basic security question.
Tim Hare
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(for example, ABR's MOUNT STORGRP=).
Tim Hare
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are at the moment
non-SMS.
Tim Hare
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That's like asking why we need IKJEFT01 to run TSO commands in batch. The
commands need an environment which supplies the services needed to
execute. BPXBATCH et al provide that environment for Unix commands.
Tim Hare
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they see, and then they
complain to me about it.
Tim Hare
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off, preventing the productivity loss.
Tim Hare
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I have a rule for when Sender, To, or CC contain IBM-MAIN, which moves
mail to a different Notes folder. since the folder is highlighted when it
contains unread mail, this sort of provides color coding.
Tim Hare
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needed to run our apps, including CICS, WebSphere, and DB2,
and they priced it for what z/OS goes for now? Would our bean counters be
happy?
Tim Hare
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lease...
Thanks
Tim Hare
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-speed networks).
But that's not part of my original question either, I'm just trying to
find out whether the virtual tape component being 20% of the total cost is
legit or not.
Tim Hare
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guys left for IBM and elsewhere.
Tim Hare
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Wayne Driscoll wrote: Makes me wish there was a certification test
required to run for public office!
Why? We all know that those guys are certifiable!
Tim Hare
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Make changes to the current member of VTAMLST, issue V
NET,ACT,ID=,UPDATE=ALL and it should implement your changes on the
fly.
VTAM has quite a bit of update-while-running functionality, rarely
mentioned, but it is documented.
Tim Hare
Senior Systems Programmer
Florida Department
microcoded to emulate zSeries instruction set, perhaps with some
parallel-processing instructions and/or networking added.
Tim Hare
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than assembling the module in Rexx, I think.
Tim Hare
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that this contributes to a faster problem resolution cycle and
therefore improved reliability.
Thanks, IBM support crew - wherever you are now.
Tim Hare
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Florida Department of Transportation
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You need only one instruction: DOIT
The rest is just operands and microding
g,d, r
Tim Hare
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Well, there go my aspirations for attending NIU after I retire.
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aware of a real CPU hog that could benefit; if response time is
within the SLAs, and all work is getting done, then no one much bothers
with further code optimization.
Tim Hare
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That's a shame. I would love to propose we start using XML to store all
our data. If it offloaded to the special CPU's we can really save $$$.
Consider: you're going to create it once, but parse it many times
thereafter. The more you read the data, the better the economics will be.
Tim Hare
In the protest/Abby Hoffman spirit we could write a green card titled
Steal This Green Card and run a turkey for president.
Tim Hare
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the
latter, it works pretty well. Requires a small DB2 database which contains
some mapping info (I think it's one row). There's an Oracle subsystem
(usually named ORAC); you use ORAC commands to start and stop gateway
pieces which let us fit it into our AF/Operator automation.
Tim Hare
Senior Systems
In my previous post I mentioned the DB2 gateway - I'm not sure it works
bi-directionally; Oracle's DRDA gateway is probably what you want.
Tim Hare
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Florida Department of Transportation
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that Windows OS security is as good as
z/OS Security Server, but I think we just want to compare apples to
apples.
Tim Hare
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for you? Is it vulnerable to a
denial-of-service attack if someone keeps hammering at it? And for those
of you using AF/Remote or a similar product with an HMC interface - do you
allow people to dial into that product from outside your LAN to do HMC
functions?
Tim Hare
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ways around
it.
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file and FTP in that case. If the two share
spool, you don't even need an NJE connection.
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, you're going to need 365 cartridges. It can
quickly become expensive if it's done wrong!
We faced this even when we moved to 9840s.. for some of our longer
retention migrations, we've reduced the frequency of the runs to reduce
the number of tapes needed.
Tim Hare
Senior Systems Programmer
Will DCOLLECT gather data on all management classes in use from the
catalog (i.e. including migrated datasets)? I suspect I have several
management classes which aren't in use, inherited from someone's previous
work, and I'm looking for a good safe way to clean up.
Thanks
Tim Hare
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.
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I have a bit of a weird situation in which I'm running a clist in a step
of a batch job. In this clist I'm reading an input file containing
variables that I would like to use in the following steps of the same
job.
For example as datasetnames, PARM options etc. I hope I'm making sense.
(state holiday or whatever).
Then I want to be able to read prefix.whatever.JAN as the complete set,
as you can do with GDGs.
Are there any holes in this theory that I'm overlooking?
Tim Hare
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be able to issue a command like that for your tapes, sit back, and wait.
Once you're in gzip you can decompress it on a PC I'm sure.
Oh - you might have to pipe it through iconv to get it into ASCII /
Unicode before zipping it.
Tim Hare
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have), then run SETUP.SH
Tim Hare
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) is
going to get a lot of new customers, so I don't know if an economic case
can be made for building a new language for it.
Tim Hare
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anything major to look out for? Our CA-1 is at R11.5 .
Tim Hare
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I would look into FILE-STATUS-CODE in FILE-CONTROL; I believe LE sets a
value for this case (but don't have my COBOL manuals with me so I can't
check it out).
Tim Hare
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Florida Department of Transportation
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There are 3490-compatible drives that attach to PCs (one example:
http://tapedrives-3480to3590.com/134-04-11025) . Get one, use it to read
the tape file at the PC end, then FTP the resulting file to your
mainframe.
Tim Hare
Senior Systems Programmer
Florida Department of Transportation
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You'll need people at both ends for a tape drive, too - tape drives end up
with all sorts of issues requiring operator intervention.
Tim Hare
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Florida Department of Transportation
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That would work but does require that we have people at both end
have
to engineer the opposite on the silo end.
Why we could get an IP connection on a Wolf Creek (9360) but not on a 9740
escapes me.
Tim Hare
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Florida Department of Transportation
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out bugs over the past couple of SHAREs. It's definitely a great
improvement over the download the entire agenda to my PDA days.
Tim Hare
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was just an all around good guy as near as I could tell.
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afraid there's not a
debugging tool for the software running on the old grey matter box, so
I'm looking for solutions that run on z/OS .
Tim Hare
Senior Systems Programmer
Florida Department of Transportation
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worked at a shop that used
TMONSMxx in a long time. I just let TAPEREQ control what type
of media (virtual, physical 3490, physical 9840 etc.).
So, you don't define any scratch pools in CA-1, or you just don't assign
them in CA-1?
Thanks,
Tim Hare
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that or not.
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make sense to do the not scratch change at OPEN time if the DCB is
opened for any kind of output function- however as Mr. Zelden says, that
would involve hooks in the same place as tape management software like
CA-1.
Tim Hare
Senior Systems Programmer
Florida Department of Transportation
.
Tim Hare
Senior Systems Programmer
Florida Department of Transportation
(850) 414-4209
I still have some 3745's and the maintenance contract is horrendous. I
have no control over the far end, only my end.
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If you are using any sort of storage array where the disk volumes are
virtualized (such as a Shark), define some 3390-3 volumes with just
enough storage to hold your STK CDS - one little volume for each CDS. This
will ensure that any reserve only affects your STK work and nothing else.
Tim
anyone verify they are running SL8500s
with z/OS?
Thanks
Tim Hare
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, while giving us some more flexibility. Anyone done this? What
were your pros and cons?
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INTRDR command.As with any other
SYSOUT file, the resources are in use from ALLOCATE until FREE, although I
think you can use FREE=CLOSE to make sure it's freed when closed.
Tim Hare
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Florida Department of Transportation
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I remember seeing cautions
this technique successfully, for example, when allocating an HFS for
a product ported to USS where the vendor says you need xMB to install.
If you like, you can do an allocation like this and use some other tool to
determine the tracks or cylinders that it occupies.
Tim Hare
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to draw comparisons. It also helps to point
out to such bean-counters that often you are serving the _same_ number of
customers with _one_ piece of hardware.
Tim Hare
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Florida Department of Transportation
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If they're like our users, they no longer use the report but just don't
bother to tell us. Someone dutifully files it on a shelf, because they
don't know what that report is for, but the IT guys send it every week
Tim Hare
Senior Systems Programmer
Florida Department of Transportation
(850
: for
example if you want to later invoke it from a CICS HTTP application, or
from a calling program invoked in a servlet or something.
Tim Hare
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For educational purposes, would you please tell us what piece of hardware
failed that took out both SEs?
Tim Hare
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Florida Department of Transportation
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IBM Mainframe Discussion List IBM-MAIN@BAMA.UA.EDU wrote on 11/28/2006
02:17:07 PM:
Due
We're a CA-1 and RACF shop. You can, in CA-1, specify the FORNDSN option
as NONE
FORNDSN NONE Foreign DSN check
Which prevents CA-1 from calling RACF for datasets specified as foreign
(ACCODE=XCANORES is how we do it, some use EXPDT=98000).
Tim Hare
Senior Systems Programmer
.
The variables within the STRIP function are created in other parts of the
Rexx code.
Is there an easier- to-maintain, more elegant way to do this? The
above code works, but I don't think it's easy to understand or maintain.
Tim Hare
Senior Systems Programmer
Florida Department
data format, so I could export from one scheduler and import into
another if management decides that some other scheduler is superior
(read: the salesman offered us a cheaper price or showed us a pretty GUI)
Tim Hare
Senior Systems Programmer
Florida Department of Transportation
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I thought the FAQ for us old mainframers was called RTFM?
Tim Hare
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Just turn on the AUDIT attribute for those users, I believe RACF will then
record everything they do (that is everything which invokes RACF such as
OPEN, CICS checking for access to transactions, etc.)
Tim Hare
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Florida Department of Transportation
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I just have to ask: why do would an installation need both sort products
unless you're at an ISV where you have to test your product with both?
Tim Hare
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.
Tom Conley (hope I got that right) has done presentations on this many
times at SHARE.
Tim Hare
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Why not just install gzip on z/OS? There's a USS version available.
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is built, and so on.
This means my TMM buffer doesn't have to be all that large.
Tim Hare
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Sounds like they were assembled with a version of JES2 macros prior to
1.7; there were changes in this area for 1.7 I'm told (we are doing our
prep for 1.7 now). This may be an AF/Operator bug, or it may be a
problem with assembling a JES2 interface table .
Tim Hare
Senior Systems
is a plus for this scenario.
So - that's _our_ thinking on the topic, but I'd be interested to hear the
opinions - and we _know_ this list has them - on the topic of migrating
away from virtual tape...
Tim Hare
Senior Systems Programmer
Florida Department of Transportation
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out which is cheaper for us.
Tim Hare
Senior Systems Programmer
Florida Department of Transportation
(850) 414-4209
IBM Mainframe Discussion List IBM-MAIN@BAMA.UA.EDU wrote on 10/31/2006
- Why do you send your migrations to 9804? We run CA-DISK and I don't
know ABR, but you can:
1. Migrate
.
Tim Hare
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Florida Department of Transportation
(850) 414-4209
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Please respond to
IBM Mainframe Discussion List IBM-MAIN@BAMA.UA.EDU
To
IBM-MAIN@BAMA.UA.EDU
the ID of the person logging in.
IF (and it's a big if I guess) that is the case, then the maximum that
applies is the one set to the user ID of the FTP server and you probably
don't want to limit that one.
Tim Hare
Senior Systems Programmer
Florida Department of Transportation
(850) 414-4209
Thanks to all who replied. I found it in the VTCS Admin Manual as
suggested; not much there but it does say you need an ESCON director to
provide connectivity from VSM and z/OS.
Tim Hare
Senior Systems Programmer
Florida Department of Transportation
(850) 414-4209
with z/OS? Does it
require additional ESCON cables/ channels from z/OS? If not, how is the
physical connection made? Is it over the same ESCON channels used to the
VSM box??
Thanks
Tim Hare
Senior Systems Programmer
Florida Department of Transportation
(850) 414-4209
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