In a message dated 1/18/2008 9:05:19 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
IBM, EMC and HDS send faulty drives back to Seagate and
Hitachi for analysis for their modular products as well. There is no
difference between drives used in Enterprise and Modular arrays. IT's not
On Thu, Jan 17, 2008 at 11:26 AM, in message
[EMAIL PROTECTED], Clark Morris
[EMAIL PROTECTED] wrote:
VSAM is already FBA
Sort of. A VSAM file, once loaded, consists of blocks of all the same size,
but VSAM allows more than one block size (e.g., 4K and 8K). FBA, to me,
means that
In a message dated 1/17/2008 10:01:17 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
Does the ECKD dasd give us the ability to have fixed record lengths and
blocksizes?
Yes, but not automatically. Fixed record lengths and block sizes must be
imposed by the software first.
In a message dated 1/16/2008 6:50:56 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
Totally ignores the effects
of outsourcing on the workers in Seattle who lost
their jobs. But, hey, it's Hollywood.
Maybe there's an Indian movie that concentrates on the effects of insourcing
on
Kill this thread.
All these wonderful posts are certainly on topic, but the topic has nothing
to do with mainframes. IMHO
Bill Fairchild
Franklin, TN
**Start the year off right. Easy ways to stay in shape.
In a message dated 1/8/2008 7:36:42 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
The summary of the Schonberg paper begins:
1. Mathematics requirements in CS programs are shrinking.
It doesn't take a professional paper to realize that mathematics
requirements in virtually ALL
In a message dated 1/8/2008 7:57:10 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
I do not remember the split parameter on JCL on(in) JCL from MFT 18.6
days but you say in was still there in MVS 2.0 are you sure it was
there(or when it was dropped)?
I probably erred. I
In a message dated 1/8/2008 10:00:11 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
The way I
remember it, we could ask for more LCS than main, but it was much slower.
You're right. I remembered it backwards. LCS was slower than normal
storage but also much less expensive.
In a message dated 1/8/2008 12:15:58 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
I have a degree in Computer Science with a minor in stats.
So, I have a strong mathematical background.
But, over the last 26 years, I've found that it intimidates my management.
...
So, I've
In a message dated 12/29/2007 2:13:19 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
Documented or not, DIAG is heavily used, both in IBM and non-IBM code.
One example: I don't remember the CPU model, but in 1987 I studied the
microfiche for the various initialization modules
In a message dated 1/7/2008 1:38:24 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
The error occurred on a write count key data command X'1D' with the
multi-trk bit on, hence the 9d to device AA1A on chpid 52.
Close. It is actually a write count, key, and data next track
In a message dated 1/7/2008 1:33:50 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
The IOS050I is stating you have a hardware error. The only way to fix it
is to correct the issue.
Not necessarily. I always assume that I have made an error in building the
channel program
In a message dated 12/31/2007 2:13:53 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
When processors srarted to include High-Speed Buffers, now commonly called
cache, any published timings became very difficult to determine. When
memory references were simple real memory
In a message dated 12/31/2007 12:25:48 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
IIRC, the various S/360 instruction timings were in a manual called
Functional Characteristics. The various DIAGNOSE code might have been
included there, since the manual was model dependant.
In a message dated 12/31/2007 12:47:22 P.M. Central Standard Time,
[EMAIL PROTECTED] writes
What was Fmt6 for ?
Originally in DOS/360 you could, and in some cases were encouraged to,
allocate files so that more than one file would share the same cylinder
numbers as
another file.
In a message dated 12/28/2007 2:45:03 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
On Fri, 28 Dec 2007 01:14:48 -0500 Gerhard Postpischil [EMAIL PROTECTED]
wrote:
:On the 360/40, I used diagnose for two functions - one was to
:rewind all tapes, open the windows, and power
In a message dated 12/28/2007 10:39:46 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
You write a nice little utility to generate a report
by retrieving data from the Support Processor using the Diagnose
instruction. You leave the company, who later installs a new processor.
Your
In a message dated 12/27/2007 3:15:10 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
any other thing we can do to
implement to improve our batch further?
Check RMF (or other monitors') stats for IOS queueing on your batch DASD
farm. If excessive, add some PAVs, if possible,
In a message dated 12/20/2007 5:22:42 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
I seem to remember macro TRACKCAP (?) that would return the needed
information to you (or I may be confused and it had a different
function).
That would be TRKCALC, which is documented in the
In a message dated 12/20/2007 7:43:02 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
AFAIK it is 86, for equal blocks up to 22 bytes.
Q: What is the reason for the limitation ?
Surely, it's not track capacity.
Where can I find further information (some RTFM) ?
The maximum number of
[EMAIL PROTECTED] (mailto:[EMAIL PROTECTED])
(R.S.) wrote:
Where can I find further information (some RTFM) ?
I forgot to add that I found the official formula once, probably on an IBM
reference card for the 3390. And once I even tried to apply the formula to a
specific case. Its
In a message dated 12/20/2007 12:06:21 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
You can also get the formula calculations retruned from a Read Device
Characteristics command to the storage controller.
What is returned are the various constants that must be plugged into the
In a message dated 12/20/2007 12:32:25 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
Why is it a stunning admission that there is a
confidential version of the POPs?
I believe the meaning is that Phil considered it stunning that IBM would
formally admit that the well known open
In a message dated 12/18/2007 7:58:36 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
we have a mainly batch workload, and the main benefit of
PAV's is apparently on multiple reads.
Not true. The main benefit is to reduce IOS queueing. If your batch
workload is being impacted by
In a message dated 12/17/2007 1:43:38 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
Also I wanted to be able to be optimal in terms of reading and
writing multiple blocks at a time to reduce the EXCP count as much as
possible. EXCP is the only think that gives you this level of
In a message dated 12/17/2007 7:52:11 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
I'm not thinking about actual physical disk implmentation of the virtual
3390, purely how I can most optimally write my channel programs based on
the virtual architecture of a 3390.
The optimal
In a message dated 12/17/2007 11:08:27 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
I was under the impression that the access methods (e.g., BSAM, QSAM,
etc.) used EXCPVR rather than STARTIO. Is that not the case?
That is not the case. QSAM, BSAM, BPAM, and BDAM all use EXCP
In a message dated 12/17/2007 11:14:03 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
We do our own EXCP prefixing to limit the size of the define extent as
much as possible -- to cover only those tracks actually being
read/written. This helps avoid contention that otherwise
In a message dated 12/17/2007 9:02:41 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
My understanding is that
exploiting PAV means queueing multiple channel programs against
different extents of the file so that they can be executed
simultaneously due to PAV having allocated
In a message dated 12/17/2007 11:41:57 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
I don't remember whether EXCPVR has a unique Driver ID. I seem to recall
that most of the access methods were grouped under one ID, except for VSAM.
It's been a while since I looked (at the
In a message dated 12/17/2007 9:37:26 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
Only with write intent.
If all activity is read only you can have more active.
Depends on what is meant by extent. If you mean the extent contained
within the DX operands, then yes. If you
In a message dated 12/17/2007 9:50:22 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
There's no point in
implementing code that will have multiple outstanding EXCPs, greatly
increasing the complexity, if all that's going to happen is that they
are going to be executed serially
In a message dated 12/17/2007 10:07:37 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
When you create your channel programs you will
need to make sure that the DEFINE EXTENT ranges do not overlap otherwise
IOS will again queue your I/O.
IOS always queues every I/O, but if
In a message dated 12/17/2007 2:15:38 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
At one time, I had a desire to use a SSCH Exit, whose address is defined in
the
VOID entry for each driver. I had asked IBM to consider a new service to
dynamically define an I/O Driver (so that
In a message dated 12/15/2007 2:53:23 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
but apart from using VSAM LDS there doesn't seem to be must choice for
performing random access on potentially large files but to use EXCP.
-unsnip--
BDAM may
In a message dated 12/8/2007 7:32:57 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
you are only a few minutes away from some problem ticket asking you to
prove/state that your software was not the cause of the system problem.
It's much easier to fix a bug in your own persistent
In a message dated 12/10/2007 2:12:51 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
We have a number of vendor and IBM SCOPE=COMMON data spaces that are
anchored off *MASTER*. None have ever caused a problem so far.
Have any of these vendors even been asked to look at a problem
In a message dated 12/10/2007 2:41:53 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
How could runing a SRB and anchor a CADS cause any problems beside
problems for the SRB itself.
My coding runs now for several customers without any problem/ticket so far.
I didn't modify
In a message dated 12/7/2007 5:47:52 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
[EMAIL PROTECTED]
I thought you were a pommy (not a pom) living in Pomland. Oh, well. I was
close. :-)
BTW, what is the real derivation of that term? Just curious.
Bill Fairchild
In a message dated 12/7/2007 9:59:36 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
Prisoner Of Mother England .. I think .
The ultimate origin may be in question, but I believe the current meaning is
universal. A South Africaner explained to me that people of
In a message dated 11/28/2007 10:23:36 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
IIRC, FLIH effectively ended when enough status was saved that ANY other
interrupt would not lead to a data loss such that the original interrupt
couldn't be processed correctly. Emphasis seemed
In a message dated 11/28/2007 6:12:43 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
...mazal is actually constellation. AFAIK the word came into Hebrew from
Farsi.
Wikipedia to the rescue: _http://en.wikipedia.org/wiki/Mazel_tov_
(http://en.wikipedia.org/wiki/Mazel_tov)
The
In a message dated 11/25/2007 10:45:30 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
No service that I know of tests for possible ways. They always look for
the PSW.
GETMAIN did ca. 1991. I was disabled via PSW swap and tried to get an
authorized-only subpool. It failed with
In a message dated 11/23/2007 4:42:06 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
Peter Hunkeler said
Interrupt Status: An FRR gets control and is entered disabled if,
at the time of the error, the mainline is disabled. Any FRR entered
disabled must remain disabled.
This
In a message dated 11/21/2007 5:44:16 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
Acquiring a lock does not turn on a super bit. It turns on a bit
in the locks held string.
Right. I mis-remembered what I found by instruction stepping through
GETMAIN many years ago, which was
In a message dated 11/21/2007 5:31:09 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
:The manual gives a further explanation:
:MVS does not guarantee preservation of the interrupt status of
:programs that explicitly disable for I/O and external interrupts
:through the STNSM
In a message dated 11/21/2007 9:23:22 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
Nucleus is not going to page fault. And if STARTIO fails before it gets the
UCB lock, no harm - no foul - since nothing is in the middle.
So there are zero defects now in the nucleus? I doubt it.
In a message dated 11/14/2007 7:45:09 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
My thinking,
right or wrong was that if they used the lowest bit to do the signaling,
they would have lost addressability to less.
The lowest bit was assigned a meaning in the mid-1960s, namely an
In a message dated 11/12/2007 4:43:05 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
The consequences from outsourcing(?).
Even the full story does not give any details on his reasons. It mentions
his desire for entrepreneurialism, so I suspect that he would have changed
In a message dated 11/9/2007 9:29:29 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
Your best avenue to get the papers might be to track down Bernard R. Pierce
He worked for IBM long ago, went to Candle, and IBM acquired Candle. Ergo I
believe he now works for IBM again. Cheryl
In a message dated 11/8/2007 9:47:00 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
Is IBM Main down?
This is a test message.
IBM-Main is not down as far as I can determine. It's downness for others is
undetermined.
Bill Fairchild
Franklin, TN
In a message dated 11/8/2007 10:02:17 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
I have not checked this for myself yet, and probably won't have the time
in the next few weeks... In theory... If I allocate 200 bytes of storage
at x'7f00', and my program, the way some Cobol
In a message dated 11/8/2007 12:46:39 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
Who wants to pay for the companies to supply two sets of ATM keys, one
which can be used anywhere, and the other can only be used in walk-up
ATMs?
Which is also why we now have assembly and
In a message dated 11/8/2007 12:55:16 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
tried to put the time for computer events into perspective.
A 100-MIPS processor can execute 100 million average instructions per secon
d, so one average instruction takes one hundred-millionth
In a message dated 11/8/2007 1:02:40 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
A Direct Access Storage Device read of a 4K
block, if the data is not in the DASD Subsystem's cache, would take at
least
one millisecond, which is ten to the minus three power seconds. The
In a message dated 11/8/2007 6:21:04 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
In the MVS world, if a Problem State program attempts to modify 0xxx
(where x is 0-512 decimal and regardless of the content of the current
base register) and LAP is on... So it is not truly
In a message dated 11/6/2007 1:24:37 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
I'm confused. Is the hole between 2GB 4GB for all addresses, or just
those in CSA?
All addresses.
I thought this thread was only about CSA.
Many, if not most, posts' subject eventually strays
In a message dated 11/3/2007 9:49:47 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
The bar is at 2G. But, there is a dead zone between 2G and 4G
that will never be allocated by z/OS. For simplicity, some folks like to
think of the z/OS virtual storage bar as being 2G thick. And,
-Original Message-
From: Bob Stark [EMAIL PROTECTED]
To: IBM-MAIN@BAMA.UA.EDU
Sent: Fri, 2 Nov 2007 11:19 am
Subject: How to force initiator failure
Anyone know a good way to get an initiator to abend and terminate?
(for testing)
You can do this with TMON/MVS if you have the product.?
In a message dated 10/25/2007 1:15:00 PM Central Standard Time,
[EMAIL PROTECTED] writes:
What would you do with dishonest consultants?
The same thing you do with dishonest interns, trainees, employees, managers,
CEOs, Chairmen of the Board, etc. And it depends on who you is. A you
with
In a message dated 10/24/2007 12:52:33 PM Central Standard Time,
[EMAIL PROTECTED] writes:
I am curious If I can induce a Machine check without actually messing with
the pysical machine...
Yes. Any of the 6 interrupt classes can be induced as follows: your
authorized program (must be
In a message dated 10/27/2007 5:47:26 PM Central Standard Time,
[EMAIL PROTECTED] writes:
Look for something like IOS000 (IOS001, etc.) as an IBM message number.
Then tell us everything on that line and all subsequent lines that are part
of
the same message.
I don't mean this in a
In a message dated 10/28/2007 9:44:08 A.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
Does a P390 have a machine check light on it? :)
Beats me. I had a P/390 years ago but don't any more, and can't remember if
it had any lights at all.
Bill Fairchild
Franklin, TN
In a message dated 10/26/2007 7:33:20 AM Central Daylight Time,
[EMAIL PROTECTED] writes:
We are using 3390. Sorry, it was an I/O ERROR
Is the ANANLYZE sufficient?
This is like asking for help when the problem is reported as program error.
We need a lot more detailed information. The
In a message dated 10/22/2007 5:09:38 P.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
Operators (especially console operators) are extremely competent and if
they screw up, IMO, they need to be fired.
That's just ridiculous.
I have seen operators who knew much more about what
In a message dated 10/18/2007 1:21:44 A.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
1. There are still UCBs *below* the line, so while parts are always in
ESQA, parts can still be in SQA.
The poor UCB has undergone cruel and unusual punishment in the evolution of
OS/360 to
In a message dated 10/18/2007 2:02:16 P.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
The captured UCB isn't a copy of the UCB - it is simply another
virtual view of the UCB created via the IARVSERV page level sharing
services.
Thanks for clarifying that. I haven't yet used or
In a message dated 10/7/2007 10:45:51 A.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
Of course we can use a batch job to do it and the initiator will not
terminate as the job ends. But in my opinion, it's still not safe. It's
still possible that the operator will recycle the
In a message dated 10/7/2007 12:21:29 P.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
Let us see if he will go to the effort to determine how big the storage area
should be, or if that will be his next question.
If he's reading all these posts, he just might get a clue from this
In a message dated 10/7/2007 1:30:54 P.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
I cannot fully understand what you mean by 'self-terminate'.
As I know, when the initiator is started the address space will always be
there ready for the incoming job assigned by JES.
One out of
In a message dated 10/5/2007 4:43:46 P.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
initially running on 360/67
machines. it had hack on the side to create a single 16mbyte virtual
address space and some simple interrupt handler for page faults. it
also had CCWTRANS (and associated
In a message dated 10/3/2007 9:39:30 A.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
On the
first reference, the hardware will recognize an 0C4, which will be
handled by the OS on your behalf and RSM and ASM will get involved to
locate a page for you. Your program will NOT see this
In a message dated 10/3/2007 10:19:53 A.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
Just to nit pick a little... It is not a 0C4, but a PIC 4. 0C4 is not an
interruption, but the abend code that MVS produces when it is unable to
resolve the program interruption.
Ah, good
In a message dated 10/2/2007 9:49:58 A.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
More specifically, I'm looking at this from a maintenance perspective. If I
give a programmer an existing program to modify, how long on average will it
take, per line of code, to analyze the
In a message dated 9/26/2007 10:21:58 P.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
Wouldn't it depend on home many DD's were defined and the location of the
datasets?
My first post said that (in z/OS) you can't execute any code above the bar
unless you move it there yourself.
In a message dated 9/27/2007 9:56:17 A.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
don't understand why you would want to turn on the DIRF bit. I used to
have to
I got it backwards. I also used to zap the DIRF bit on, then allocated a
meaningless temporary data set to
As Ralph Nader said, it's a race to the bottom.
Bill Fairchild
Plainfield, IL
** See what's new at http://www.aol.com
--
For IBM-MAIN subscribe / signoff / archive access instructions,
In a message dated 9/26/2007 4:04:51 P.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
I thought the current implementation
required all executing code to reside below 2G.
There's been discussion of this topic before on either IBM-MAIN and/or the
Assembler post place (can't remember
In a message dated 9/25/2007 8:37:56 A.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
Is there a way for an executing assembler program to extract its own load
module name for programmatic examination? (If it matters, it would be the
original load module called via an EXEC statement
In a message dated 9/13/2007 5:59:21 A.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
1-3 extents occupy one VTOC block, next extents if available
occupy another VTOC block. In other words 100+ extents dataset occupy
the same VTOC space as 4 extent dataset.
This is not totally
In a message dated 9/13/2007 9:43:43 A.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
I noticed that both format 1 and format 3 DSCBs use 'lower limit' and 'upper
limit' to describe the scope of each extent and they're all in CCHH format,
not CCHHR as I assumed.
Does that mean all
In a message dated 9/13/2007 9:48:01 A.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
Yes, the smallest data set size is one track, and all
data sets are allocated in units of tracks or cylinders.
That being said, keep in mind that a member in a PDS
may be smaller than a track, and
In a message dated 9/12/2007 6:22:29 A.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
There is only ONE List-Serve that I know of which requires you to use a
corporate e-mail to contribute.
And, that is ISV-Costs (run by John Anderson of IBM Canada).
So, I never joined because my
In a message dated 9/9/2007 8:34:21 P.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
I think the discussion may be accidentally creating confusion about OE and
channel limitations at a single device level. The number of OE on a channel
is the sum of all IO on the channel no matter how
O'Brien, David W. (NIH/CIT) [C] [EMAIL PROTECTED] wrote:
... we in the developed world are in an economic war...
Aiding them is not in our economic self interest...
For my part, I believe a boycott is in order.
Every individual is in an economic war with every other individual on earth
In a message dated 9/7/2007 10:03:18 P.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
I suggest browsing Pat Artis' website for some quality education on FICON.
I am doing that now and browsing the general Internet, too. I have learned
a lot over the years from Pat Artis.
Based
In a message dated 9/7/2007 7:59:47 A.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
I have not been able to find any statement about whether WLM will put
any limit on the number of aliases that can be assigned to a
particular device when using Dynamic PAVs. Does anyone on the
In a message dated 9/7/2007 11:47:40 A.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
This is not quite right. FICON is restricted by the either the number of OE
supported by the channel, or the OE supported by the Storage port. On a z9
there can be 64 OE on every channel on an LCU -
In a message dated 9/6/2007 7:51:17 A.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
What I am hoping for in the future is the Bill Gates strategy (sell an
entire
operating for $79) and make billions.
That's great strategy for Bill, but not for me. In this case, I believe you
In a message dated 9/5/2007 8:12:26 A.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
Why create duplex pairs and split them just to DF-DSS dump the volume?.
There has been a facility in DF-DSS, for quite a number of years now,
called Concurrent Copy. Concurrent-Copy uses a cache
In a message dated 9/3/2007 6:38:18 P.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
As I understand TOD time is the number of mic seconds elapsed since
midnight
of 1900-01-01.
Partially correct. Bit 51 of the 64-bit TOD clock is the number of
microseconds since... etc.
But
In a message dated 8/30/2007 6:41:39 A.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
I guess the OBTAIN-Macro is best for me
because I've got the needed VOLSER already from the CSI and so have
everything what is needed to invoke OBTAIN successfully.
Then you will need to include
In a message dated 8/29/2007 3:41:21 P.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
I would suggest Volume 1 of the ABCs of z/OS System Programming if you
haven't already read it.
http://www.redbooks.ibm.com/abstracts/sg246981.html?Open
I went there and downloaded all of the
In a message dated 8/30/2007 12:27:59 P.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
If they're not on the web site, they're not available yet. I know that
volume 6 needs some updating and major editorial work before they can
release it. I don't know about the volume 4, but it
The analyses of presumed hidden reasons for the original technical question
have reminded me of two things:
(1) In 1977 I asked an IBM SE What system control block in MVS contains the
seek address when the I/O is active? In MVT it used to be the UCB [or
wherever]. Where is it now? The
In a message dated 8/29/2007 11:46:18 A.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
is there a way to get the LRECL and RECFM (and maybe other attributes)
of a dataset without opening it?
Yes - LOCATE and OBTAIN. Look in archives for more details.
Bill Fairchild
Plainfield,
In a message dated 8/27/2007 2:49:45 P.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
If the address are in order, you could enter
V da00-da01,offline
And reduce the number of commands you have to issue.
You can also enter V (DA00-DA01,DA08-DAFF,DB83-DB89,...etc.),OFFLINE to
In a message dated 8/23/2007 2:37:37 P.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
(You do not have to
be concerned about null segments unless you have created a data set
using null segments.)
I think a better way to say that is this: You ought to be concerned about
null
In a message dated 8/16/2007 3:48:18 P.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
Also, with PARM usage, does R1 point to a pointer to the parm field?
Yes, but only sort of.
With PARM='' usage, on entry to the program R1 contains the address of a
fullword. In this
In a message dated 8/22/2007 9:27:33 A.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
However, as far as LPA is concerned, is it protected using another
mechanism? So even you're running in key 0, you still cannot modify LPA.
LPA modules are stored in page-protected storage. This
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