Newsweek has an interesting short story on the 50th birthday of the hard
disk. On September 13, 1956, IBM shipped its first RAMAC.
http://www.msnbc.msn.com/id/14096484/site/newsweek/
- - - - -
Timothy Sipples
IBM Consulting Enterprise Software Architect
Specializing in Software Architectures
There are two ways:
OK, I can't count!
To paraphrase: There are 11 kinds of people in the world, those who
understand base 3, and those who don't
11 (base3) equals 4 (base10), doesn't it?
Maybe I just don't understand base 3. I used to know this as:
There are 10 kinds of people in the world,
Hi,
The TSO/E logon screen has a field named command.
Where is the data in this field stored between sessions?
It looks like the data in the other fields comes from RACF.
TIA
GAdi
--
For IBM-MAIN subscribe / signoff /
Frank Yaeger is always the best at answering these types of questions but
he's on vacation this week. So I forwarded your question to Vicky Vezinaw
and she supplied the following answers.
ANSWER to Q1:
When you say:
I used the following syntax:
OMIT
Hi:
In response to the query:
The TSO/E logon screen has a field named command.
Where is the data in this field stored between sessions?
It looks like the data in the other fields comes from RACF.
The contents of the command field, last line of the TSO Logon Screen, is also
stored in RACF.
Hello list,
We are investigating the performance differences of the various MIM
Control File configurations. We are fully Ficon and combine four z/OS
1.6 Systems from two Sysplexes in the Mimplex, so our options are:
Dasdonly, CTCDasd and CTConly.
Does anybody have information about
Well, a large part of it for over three days. Anyone remember when a mainframe
last brought
down a hospital for three days, let alone eighty of them? Also a cautionary
tale for the
outsourced - if there are only enough engineers to bring up n customers an
hour, have you got
your priorities
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of Hunkeler Peter (KIUB
34)
There are two ways:
OK, I can't count!
To paraphrase: There are 11 kinds of people in the world, those who
understand base 3, and those who don't
11 (base3) equals 4 (base10), doesn't
I can't believe the cost of that system either - I think I saw on BBC News at
some point that it will end up having cost over 20 BILLION. That's UK Pounds..
so more than that in USD.
Gimme a mainframe and some decent programmers and I'll do it for a tenth of
that.. ;-)
This e-mail message is
roughtly 37.6 billion USD at an exchange rate of 1.88 per pound sterling.
Daniel McLaughlin
ZOS Systems Programmer
Crawford Company
PH: 770 621 3256
*
Everything comes to him who hustles while he waits.
? Thomas A. Edison
Perryman, Brian [EMAIL PROTECTED]
Sent by: IBM Mainframe
If it was IBM equipment then it would have been 37.6 Billion Dollars as UK
pays pound for dollar for hardware and software
Crispin Hugo
Systems Programmer, Macro 4
http://www.macro4.com/
Macro 4 plc, The Orangery, Turners Hill Road, Worth, Crawley, RH10 4SS
Direct Line: +44 (0)1293 872121
http://www.timesonline.co.uk/article/0,,2-2203396,00.html
-
This e-mail message is for the sole use of the intended recipient(s)and may
contain confidential and privileged information of Transaction NetworkServices.
Any unauthorized review, use, disclosure or distribution isprohibited. If
Well, that's the cost of the entire new IT system. What went down this time
was a relatively small part of the NHS's current IT. The BBC (initially at
least) reported this as a SAN failure. This follows swiftly on from a
well-publicised SAN failure at a largish UK ISP, and an entirely
unpublicised
On 8/1/2006 4:09 PM, [EMAIL PROTECTED] wrote:
In a recent note, Walt Farrell said:
On 8/1/2006 10:10 AM, Edward Jaffe wrote:
No. Holding a shared ENQ prevents others from acquiring an exclusive ENQ
on the same resource and modifying it. To maintain the integrity of the
resource, you use
Gadi,
DO LU userid NORACF TSO. It will print your TSO segmemnt (stored in racf). As
you can see, COMMAND is a field in this segment.
TSO INFORMATION
---
ACCTNUM= XXX
PROC= $SPFQ
SIZE= 4096
MAXSIZE= 00010240
UNIT= SYSDA
USERDATA=
COMMAND=
Regards,
Itschak
We got hit with this yesterday and had to IPL 2 production systems.
DO NOT issue an MVS VARY ONLINE to a JES3 managed tape device that is
already online.
See APAR OA16212. PTFs not available yet.
Richard Habres
AVP; Enterprise Storage Technology
Merrill Lynch
Dasdonly
-- slowest
CTCDasd
-- medium
CTConly
-- fastest
I think you will be hard pressed to break any of them.
We did around 20,000 DASD SIO/s in a 5-image three processor SYSPLEX (105, 1C5,
1C8) with no measurable impact.
When in doubt.
PANIC!!
On Wed, 2 Aug 2006 14:15:40 +0200, Vernooy, C.P. - SPLXM
[EMAIL PROTECTED] wrote:
We are investigating the performance differences of the various MIM
Control File configurations. We are fully Ficon and combine four z/OS
1.6 Systems from two Sysplexes in the Mimplex, so our options are:
Habres, Richard (GTI) wrote:
We got hit with this yesterday and had to IPL 2 production systems.
DO NOT issue an MVS VARY ONLINE to a JES3 managed tape device that is
already online.
See APAR OA16212. PTFs not available yet.
Yikes!. The APAR (against 5752SC1B4 -- i.e., allocation)
On Tuesday 01 August 2006 08:29, Tom Marchant wrote:
On Mon, 31 Jul 2006 20:52:43 -0400, Gilbert Saint-Flour wrote:
... I have an EDIT macro called LVL which recycles gas levels,
i.e. it compresses level numbers by reusing those which have no
corresponding record in the member and adjusting
I must be missing something, what is the reference to 'Finger trouble'?
-Original Message-
Phil Payne
Well, a large part of it for over three days. Anyone remember when a
mainframe last brought down a hospital for three days, let alone eighty
of them? Also a cautionary tale for the
On 2 Aug 2006 05:30:34 -0700, in bit.listserv.ibm-main you wrote:
I can't believe the cost of that system either - I think I saw on BBC News at
some point that it will end up having cost over 20 BILLION. That's UK Pounds..
so more than that in USD.
Gimme a mainframe and some decent programmers
Radoslaw,
If you have access to SyncSort you can accomplish everything you are
trying to do very easily.
Answer to question #1. To receive the desired output you will need to
use the parm of VLTESTI=2. This tells the sort to treat just the single
comparison as false if the entire field is
Mark Zelden [EMAIL PROTECTED] wrote in message
news:[EMAIL PROTECTED]...
On Wed, 2 Aug 2006 14:15:40 +0200, Vernooy, C.P. - SPLXM
[EMAIL PROTECTED] wrote:
We are investigating the performance differences of the various MIM
Control File configurations. We are fully Ficon and combine four
Nothing in my posting suggested that I got from the original posting the
information about the NHS not using mainframes.
-Original Message-
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED]
Behalf Of Clark Morris
Sent: 02 August 2006 15:35
To: IBM-MAIN@BAMA.UA.EDU
Subject:
Talk to MIM support, they have always been willing to review control
file configurations and settings and make recommendations for tuning.
IIRC there is/was a presentation/whitepaper on CF performance (SHARE,
CMG, CA conferences?) maybe even on their web site.
Ken Porowski
AVP Systems Software
Hi John,
The AIX box is Ethernet connected thru a Visara 1174. It was connected
thru a 3174 - we are testing the Visara unit. So, no NCP.
I think I read something the past few days that said the trace must be
active on the owning system. Whatever it said, I wasn't sure if it
applied to me. Sounds
[EMAIL PROTECTED]
[EMAIL PROTECTED]
X-Mailer: CTM PowerMail version 5.2.3 build 4406 English
http://www.ctmdev.com
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Hi,
I am looking for the RMF report(s) where I can find out how much CPU time
my
In [EMAIL PROTECTED], on 08/01/2006
at 01:47 AM, Robert A. Rosenberg [EMAIL PROTECTED] said:
You trimmed my quote back too far. I acknowledged in my statement
that the root cause of the need to not include the VOLSER in the
RNAME is that the ENQ is being done prior to the allocation of the
In [EMAIL PROTECTED], on 08/01/2006
at 06:44 AM, Paul Gilmartin [EMAIL PROTECTED] said:
View this from the perspective of the initiator: RET=CHNG is
available, yet the initiator never exploits it -- it can't by design
objective.
You're overlooking DYNALLOC.
Likewise, if RET=CHNG were not
In [EMAIL PROTECTED], on 08/01/2006
at 07:59 AM, Paul Gilmartin [EMAIL PROTECTED] said:
You understood my intent. And I briefly considered the UCB address,
but passed over it because I don't know that it's guaranteed to be
canonical across multiple systems.
The UCB address is pretty much
In [EMAIL PROTECTED], on 08/01/2006
at 11:01 AM, (IBM Mainframe Discussion List) [EMAIL PROTECTED]
said:
Device numbers are canonical across systems.
Alas, no. But I would argue that it is sound practice to keep them
consistent.
--
Shmuel (Seymour J.) Metz, SysProg and JOAT
ISO
In [EMAIL PROTECTED],
on 08/01/2006
at 09:16 AM, Thompson, Steve (SCI TW)
[EMAIL PROTECTED] said:
I must assume that UNISYS uses PD.
Unisys has or had a successor to the B6500 family, so they must have
supported PD. The 1108 didn't have PD, and I don't know whether the
Unisys successor added
In [EMAIL PROTECTED], on 08/01/2006
at 11:17 AM, (IBM Mainframe Discussion List) [EMAIL PROTECTED]
said:
But there must be something canonical across systems that is unique
to the device for a cross-system ENQ involving devices to work.
The volume serial number.
--
Shmuel (Seymour
I am looking for the RMF report(s) where I can find out how much CPU
time
my system (2066-0A2 w/8 GB) to perform paging. I am trying to
determine
how much CPU I will get back if we buy more memory.
WAS on z is involved ;)
I am not aware of any specific RMF report that gives you what you want.
In [EMAIL PROTECTED], on 08/01/2006
at 11:17 AM, (IBM Mainframe Discussion List) [EMAIL PROTECTED]
said:
But there must be something canonical across systems that is unique
to the device for a cross-system ENQ involving devices to work.
In a message dated 8/2/2006 10:33:54 A.M.
Craig,
I may be wrong, but I don't think there is an RMF report that tells you how
much CPU is used by paging. Obviously, you can tell just how many pages per
second you are doing. Someone may have a rule of thumb that says that for X
processor, so many pages per second equals 1% of the
Shmuel Metz (Seymour J.) wrote:
But there must be something canonical across systems that is unique
to the device for a cross-system ENQ involving devices to work.
The volume serial number.
When duplicates volsers exist, you get prompted at IPL time to indicate
which device should
On Wed, 2 Aug 2006 16:35:56 +0200, Vernooy, C.P. - SPLXM
[EMAIL PROTECTED] wrote:
I was wondering if and why CTConly is faster than Dasdonly. We use Ficon
and ESS and have no I/O queing and 100% cache hit ratio for the control
file. In the Dasdonly configuration each system has to
The relationship is not easy to quantify, and even harder to predict how
adding more of a resource will affect meeting your goals. IBM marketing
has some tools that will do a credible job of answering your questions.
Check with your business partner or friendly IBM rep.
With ample main (a
Paul Gilmartin wrote:
I believe it's a requirement of ANSI C that all standard library
headers should be coded so they may be #include'd repeatedly, and
subsequent invocations are benign. This is usually accomplished
by similar conditional compilation.
And each library header must #include all
Richard Tsujimoto wrote:
I think Paul made a good point about not creating labels that are similar
in format as the ones IBM distributes with their code.
And, we must keep reminding IBM to fix their macros when sloppy
developers choose too-common labels. My most recent effort in this
regard
Unisys still covers the two different families, so if the Burroughs
equipment had it, then they do support it on that ClearPath line. (POP for
Unisys, anyone?)
Later,
Ray
-Original Message-
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf
Of Shmuel Metz (Seymour
And get them to at least do test assemblies on stuff xlated from PL/X. (I
found one in DB2 V71 recently that was introduced by a recent PTF; a PMR has
been opened.)
Later,
Ray
-Original Message-
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf
Of Edward Jaffe
The method in which I've acheived the most success in these types of
scenarios was to model. Not to run a commercial, Best/1 was my tool of
choice. In this manner you can take your actual workload and do different
what if cases and see pretty accururately how your environment will perform
Check the SMIT panels on AIX , there is a fairly comprehensive set of
traces under Comm Server for AIX. It should be able to tell you what's
going on. Also you can check the Topology database on AIX to see if has
information on the routing that's going on. Alternatively you can trace the
I may be wrong, but I don't think there is an RMF report that tells you how
much CPU is used by paging.
We used to use, as suggested by IBM, SRB time in performance group zero.
Now, in goal mode, would it be SRB in *MASTER*?
When in doubt.
PANIC!!
Have you also seen OA17548 - S0C4 in Vary Offline processing?
We have not seen these symptoms, but have an exposure b/c we have APARFix on
for OA16173
and OA16743.
Seems to be some problems with allocate and JES3 in z/OS R7.
Best,
BK Kosmach
US Steel
From: Habres, Richard (GTI) [EMAIL
problem with the interruptible power supplies
I gotta get me one of those IPS. Much more fun than UPS.
From: Phil Payne [EMAIL PROTECTED]
Reply-To: IBM Mainframe Discussion List IBM-MAIN@BAMA.UA.EDU
To: IBM-MAIN@BAMA.UA.EDU
Subject: Finger trouble brings down NHS
Date: Wed, 2 Aug 2006
In a message dated 8/2/2006 1:53:34 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
gotta get me one of those IPS. Much more fun than UPS.
Yeah just in time. Looks like Chris is gonna follow Katrina into the Gulf.
Bump off Fla/, bulk up and wham NOLA.
In a recent note, Edward Jaffe said:
Date: Wed, 2 Aug 2006 09:04:38 -0700
IBM would have done well to follow such conventions uniformly.
They don't appear to, with some exceptions such as IATYREGS.
IATYREGS is not an exception. *All* JES3 macros allow repeated inclusion.
On Wed, 2 Aug 2006 10:00:58 -0500, Johnston, Robert E
[EMAIL PROTECTED] wrote:
...
I think I read something the past few days that said the trace must be
active on the owning system. Whatever it said, I wasn't sure if it
applied to me. Sounds like it does.
...
Actually, you may need to run the
On Wed, 2 Aug 2006 08:51:55 -0700, Edward Jaffe
[EMAIL PROTECTED] wrote:
...
When duplicates volsers exist, you get prompted at IPL time to indicate
which device should remain offline. There's nothing stopping an operator
from responding differently as different systems are IPLed. Even without
Patrick O'Keefe wrote:
Ok, that will give 2 different devices with the same volser, but you
won't get 2 different volsers for the same device. In the case of ENQ/DEQ
you won't an ENQued device accessable by another name. I *think* that
was the context of the statement, but I may be wrong.
On Wed, 2 Aug 2006 15:25:15 -0500, Peter Ten Eyck
[EMAIL PROTECTED] wrote:
I have read various posting about the problems of compressing a PDS
proclib.
Then I'm wondering why you didn't find what you needed in the
archives.
I have a proclib call TEST.PROCLIB which out of space.
snip
OK, maybe I'm living a charmed life. But if I need to compress a
PROCLIB, I just run IEBCOPY with a DISP=SHR on it. I've never had a
problem. The only problem that I can think of that might occur is if a
job went to the converter and tried to use the PROCLIB during the actual
compress process.
On Wed, 2 Aug 2006 15:49:24 -0500, McKown, John
[EMAIL PROTECTED] wrote:
OK, maybe I'm living a charmed life. But if I need to compress a
PROCLIB, I just run IEBCOPY with a DISP=SHR on it. I've never had a
problem.
On Wed, 2 Aug 2006 15:46:36 -0500, Eric N. Bielefeld
[EMAIL PROTECTED] wrote:
I
On Wed, 2 Aug 2006 15:55:19 -0500, Mark Zelden [EMAIL PROTECTED] wrote:
On Wed, 2 Aug 2006 15:49:24 -0500, McKown, John
[EMAIL PROTECTED] wrote:
OK, maybe I'm living a charmed life. But if I need to compress a
PROCLIB, I just run IEBCOPY with a DISP=SHR on it. I've never had a
problem.
On Wed,
I think there are actually a couple of solutions here.
1) Do not put user proclibs in JES2. Use the JCLLIB statement instead.
2) If you do put a user proclib in JES2 then make it with only primary
allocation and no seconday. Allow for growth. If it fills up then use the
JCLLIB statement
3)
At 09:04 -0700 on 08/02/2006, Edward Jaffe wrote about Re: S99RBXLN
Head's Up:
IATYREGS is not an exception. *All* JES3 macros allow repeated inclusion.
If I remember correctly, so do the JES2 mapping macros. IOW: As they
are expanded, they set a I've been expanded/invoked Global SETB
flag
In a recent note, Edward Jaffe said:
Date: Wed, 2 Aug 2006 12:58:12 -0700
Reply-To: IBM Mainframe Discussion List IBM-MAIN@BAMA.UA.EDU
Sender: IBM Mainframe Discussion List IBM-MAIN@BAMA.UA.EDU
From: Edward Jaffe [EMAIL PROTECTED]
Organization: Phoenix Software
I can not find a LISTSERV or anything useful(like the Dino Ring) on this
subject. Can anyone point me to such or .
More than you probably want to know on my current project.
We have a problem tracking system under CICS.
Mainframe problems usually involve a JOB name and or TSO USERID.
I have a
At 12:22 -0400 on 08/01/2006, Wayne Driscoll wrote about Re: Data set
ENQueues and DEQueues in Jobs:
I could see how a downgrade would be useful. For instance: I have a
resource shared. Now I need to update the resource, so I perform an
S-E. Now, I want to allow others to see the update,
Shmuel Metz , Seymour J. wrote:
In [EMAIL PROTECTED], on 07/31/2006
at 09:40 AM, Anne Lynn Wheeler [EMAIL PROTECTED] said:
cms had update command from mid-60s ... which applied an update
control file to source,
I'm not sure when it came along, but by VM/SE there was a somewhat
more
IF
you have JBB77S2 (z/OS 1.6) or JBB772S (z/OS 1.7) zIIP Web Deliverable
installed,
AND
if you have crypto,
THEN
you WILL want the fix for OA17104.
Without OA17104's fix, when you shut down your ICSF started task, apparently
z/OS dispatching queue damage occurs resulting in a spin loop.
Actually, because JES2 normally does not have a ENQueue on its PROCLIBS,
you should be able to compress it with DISP=OLD. That will stop any I/O
errors for JCLLIBs.
Regards
Bruce Hewson
--
For IBM-MAIN subscribe / signoff /
Can you say IEBUPDTE? and Yes, XEDIT had it all over TSO's EDIT command.
But go back before XEDIT and it was not that nice. I've said it before:
Maybe I've been doing this too many years. (Can you say Autocoder?)
Rob Weiss
z/SWITA and z/Series I/T Security and Privacy Consultant
IBM Software
Craig Dudley writes:
I am looking for the RMF report(s) where I can find out
how much CPU time my system (2066-0A2 w/8 GB) to perform
paging. I am trying to determine how much CPU I will get
back if we buy more memory. WAS on z is involved ;)
If it's WebSphere Application Server on z/OS, and you
If it's WebSphere Application Server on z/OS, and you can get up (at least for
an LPAR) z/OS 1.6 or
higher and WAS 5.1 or higher, then you can
probably get a whole lot of CPU back with a zAAP on a z9 BC model.
The OP was asking for advice on how to determine the CPU requirement for paging.
NOT,
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