Is anyone actively using z10 (or z196!!) Large Pages in any significant way
yet?
As a fallout of some initial testing in our sandpit, I had previously raised
some issues with IBM regarding some missing RMF3/RMF1 metrics for large
pages, mainly in the area of unaccounted-for unused Large Page
I know how to process MODIFY and STOP (and the operands of START) commands
in a non-IBM-written started task (using EXTRACT, CIB, and QEDIT). Is it
possible to use some roughly similar interface to accept DISPLAY commands?
How?
Just out of curiosity, if it's not possible, does anyone know why it
Hi,
Where can the 3 (or more) volumes of
*GA22-7820-xx z/OS and z/OS.e DOC APAR and PTF ++HOLD Documentation*
nowadays been found?
This URL, for example, is no longer valid:
http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/ZIDOCMST/CCONTENTS?DT=20100723070406
jan
Jan Vanbrabant wrote:
Hi,
Where can the 3 (or more) volumes of
*GA22-7820-xx z/OS and z/OS.e DOC APAR and PTF ++HOLD Documentation*
nowadays been found?
http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/Shelves/ZDOCAPAR
Bob
Unfortunately, it appears to have the same issue: Could not open the
document /home/webapps/zoslib/htdocs/bookszidocmst.book or the document was
not found.
On Sat, Aug 14, 2010 at 8:48 AM, Bob Rutledge deerh...@ix.netcom.comwrote:
Jan Vanbrabant wrote:
Hi,
Where can the 3 (or more) volumes
Is it merely a missing path separator (/) between books and
zidocmst.book?
On Sat, Aug 14, 2010 at 9:11 AM, Steve Horein steve.hor...@gmail.comwrote:
Unfortunately, it appears to have the same issue: Could not open the
document /home/webapps/zoslib/htdocs/bookszidocmst.book or the document was
Some variants of POST LINKAGE=BRANCH do save most registers; some do not.
The authorized assembler reference is quite clear on this subject.
You're right that in the most extreme case, only register 9 is preserved.
Peter Relson
z/OS Core Technology Design
*Re. *
*Where can the 3 (or more) volumes of
*GA22-7820-xx z/OS and z/OS.e DOC APAR and PTF ++HOLD Documentation*
nowadays been found?
*
*http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/Shelves/ZDOCAPAR*http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/Shelves/ZDOCAPAR
*Bob
*
No
Jan Vanbrabant wrote:
*Re. *
*Where can the 3 (or more) volumes of
*GA22-7820-xx z/OS and z/OS.e DOC APAR and PTF ++HOLD Documentation*
nowadays been found?
*
Charles
As far as I am aware, there is no *easy* way for you to get your software to
respond to just D FOO,BAR
You would have to have a subsystem and process the broadcast function code 10
(system commands). You could then intercept the command string that you seek
and queue it up for your
On Sat, 14 Aug 2010 10:24:02 +0100, Graham Harris harris...@gmail.com wrote:
Is anyone actively using z10 (or z196!!) Large Pages in any significant way
yet?
Yes. On my clients WebSphere LPARs. First we used a small LFAREA and
migrated some WAS regions to 64-bit. All was fine. Then on a
My current main concern is that once large pages are deployed, a complete
memory map of real memory will no longer be possible until the missing
metric(s) are added (and at what level of z/OS that would take effect/be
retro-fitted). As things stand, this missing 'unused large pages' metric in
What about NETTIME used by NTP (and friends).
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Rex,
The meaning of Time is explained quite nicely at
http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/ERBZRA91/5.1.3?SH
ELF=ERBZBK91DT=20091215152130. If you're having a problem reading the fine
manual, it says The time the interval began, where hh is hours, mm is the
minutes, and ss
Peter, not sure if you are replying to me or Binyamin but in any event I
have absolutely no complaints with the documentation. It is eminently
thorough and clear. I just had not yet read that part. The question I had
been researching at this point was will I need an R13 save area? not how
does
Hmmm. Thanks. I guess I'll stick with F server,STATS
Charles
-Original Message-
From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf
Of Rob Scott
Sent: Saturday, August 14, 2010 10:14 AM
To: IBM-MAIN@bama.ua.edu
Subject: Re: DISPLAY command for non-IBM started
It turns out the support didn't work as documented and 1M pages weren't
really used for 4K when there was a shortage! After we opened a Sev 1
PMR with IBM during the problem IBM said something like well, this isn't
really supported.
Mark. Ouch! In my sandpit testing, I had tried to force the
On Sat, 14 Aug 2010 15:50:44 -0400 Charles Mills charl...@mcn.org wrote:
:Peter, not sure if you are replying to me or Binyamin but in any event I
:have absolutely no complaints with the documentation. It is eminently
:thorough and clear. I just had not yet read that part. The question I had
Thanks, Ron. I don't know how I missed that explanation for TIME but I did.
Obviously I was looking in the wrong place.
As far as the disk symptoms, I agree wholeheartedly as to the cause (sibling
pend). Convincing the vendor that's the problem and figuring out what to do
about it are the
On Sat, 14 Aug 2010 15:50:44 -0400 Charles Mills charl...@mcn.org wrote:
:Peter, not sure if you are replying to me or Binyamin but in any event I
:have absolutely no complaints with the documentation. It is eminently
:thorough and clear. I just had not yet read that part. The question I had
The problem was Top Secret. The fix from CA Top Secret corrected the
storage overlay in DFHSM. Which eliminated the cpu utilization. DFHSM is
behaving normally again.
Lizette
What I have found out so far is our Primary Space management
gets
started
and then all of a sudden, DFHSM, is
Thus there is a hole in the RMF metrics (unless ALL large pages are being
used) covering unused large pages, and indeed, the total large pages present
on the system.
Actually my thought is also a so what. It seems that the other issues of 4K
to 1M split and coalesce are certainly legitimate
Rex,
Perhaps an oversimplification, but if you had an IO rate of 5/sec at 200ms
response time for 20 minutes, and then 500/sec and 2ms response time for 10
minutes the average response time for the whole 30 minutes would be just shy
of 6ms.
Avgrspms
I'd like to make a few comments regarding instruction performance in newer
models. In no particular order:
1. Newer z/OS releases are getting progressively more efficient. You can
find some quantification of that phenomenon in SHARE presentations, for
example.
2. IBM has already let it be known
Ron,
I sure appreciate your help. The thing I neglected to mention is that when the
backup isn't running, the disk is idling. We don't run 24/7 (yeah, lucky us),
so when the backups are running, batch (and online) is pretty much done for the
night.
I'll check out the monitor 2 options
IBM Mainframe Discussion List IBM-MAIN@bama.ua.edu wrote on 08/14/2010
07:31:36 AM:
Does anyone know the significance of CIBVERB = CIBSTCOM, documented as
COMMAND CODE FOR STC COMMUNICATION?
START command processing builds a separate CIB for each
STC Communication Keyword. The STC
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