Re: RSH Consulting - RACF Survey - June 2019 - Performance - ERV

2019-07-22 Thread Horst Sinram
, namely for DB2 And for both RCCFXET and RCCFXTT AUTO should be in place. Then there are a few that deserve consideration, such as INITIMP=E, MT_ZIIP_MODE=2. It is possible that the defaults will eventually change:-) Horst Sinram - STSM, IBM z/OS Workload and Capacity Management

Re: honorpriority=no in WLM

2019-06-19 Thread Horst Sinram
reasons and and the (significant) effort. And, to add some larger context: For those installations that decide for themselves that the consumption based Tailored Fit Pricing model is the right way to go the whole capping discussion will become a moot point. Horst Sinram - STSM, z/OS Workload

Re: honorpriority=no in WLM

2019-06-17 Thread Horst Sinram
to that partition; the way to go is really having sufficient zIIP capacity for your workload peaks. Horst Sinram - IBM z/OS Workload and Capacity Management -- For IBM-MAIN subscribe / signoff / archive access instructions, send

Re: SAP Processor Utilization

2019-06-04 Thread Horst Sinram
On z/OS, you can use SMF78.3 and the RMF IOQ report. Plus, there are some related overview conditions. Horst Sinram - STSM, IBM z/OS Workload and Capacity Management -- For IBM-MAIN subscribe / signoff / archive access

Re: CBU expiration and activate dynamic

2019-05-13 Thread Horst Sinram
LOADxx, or you would be running out of the limit and you need to utilize more logical processors. z/OS subsystems are usually well prepared to deal with model changes. Horst Sinram - STSM, z/OS Workload and Capacity Management

Re: "Workload" field in SDSF

2019-03-21 Thread Horst Sinram
Hi Andy, there are many different ways to obtain the workload name. The probably simplest is to issue a Sysevent REQ(F)ASD against the space and find the workload name in the IRARASD as RASDWKLD. Horst Sinram - STSM, z/OS Workload and Capacity Management

Re: Novice query on WLM velocity

2019-01-21 Thread Horst Sinram
in https://www.ibm.com/support/knowledgecenter/SSLTBW_2.3.0/com.ibm.zos.v2r3.ieaw100/toc.htm Horst Sinram - STSM, z/OS Workload and Capacity Management -- For IBM-MAIN subscribe / signoff / archive access instructions, send emai

Re: Service class changes

2018-11-12 Thread Horst Sinram
See SMF Type 90, subtype 30: https://www.ibm.com/support/knowledgecenter/en/SSLTBW_2.1.0/com.ibm.zos.v2r1.ieag200/iea3g2_RESET_command_complete.htm Horst Sinram - STSM, z/OS Workload and Capacity Management -- For IBM-MAIN

Re: Measuring Usage of zIIP per address space

2018-09-05 Thread Horst Sinram
describes the accounting scheme. Horst Sinram - STSM, IBM z/OS Workload and Capacity Management -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN

Re: Where is the WLM website???

2018-06-07 Thread Horst Sinram
OS-WLM/WLM%20Documents.md (It is NOT up and running as of today). Horst Sinram - STSM, IBM z/OS Workload and Capacity Management -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with t

Re: Can a job determine its own WLM priority?

2018-05-25 Thread Horst Sinram
ch priority. Are you definitively not interested in e.g. in enclave management? - Is the "job" authorized? Horst Sinram - STSM, IBM z/OS Workload and Capacity Management -- For IBM-MAIN subscribe / signoff / archive a

Re: WLM?

2018-05-04 Thread Horst Sinram
to loop you would consider a multi period goal using a *really huge* duration value. Even in that latter case a resource group would be a better safety net. Horst Sinram - STSM, IBM z/OS Workload and Capacity Management -- For IBM

Re: Advice for WLM tuning of OMVS forked address spaces

2018-02-04 Thread Horst Sinram
may consume some (or more) CPU resources during initiation before classification is in effect. For such cases there is the IEAOPTxx INITIMP parameter. Specifying INITIMP(E), or one of the numeric values, depending on the workload to be protected can be useful to minimize the spike effect due

Re: Hiding cross LPAR capacity information

2017-07-17 Thread Horst Sinram
In addition, by removing Global Performance Data Control authority one would also disable some CPC-wide optimizations in z/OS HiperDispatch. Horst Sinram - STSM, IBM z/OS Workload and Capacity Management -- For IBM-MAIN

Re: DB2 Locks and WLM Blocked Workload Support?

2017-02-06 Thread Horst Sinram
d BLWLINTHD IEAOPTxx parameter (BLWLTRPCT is almost never the limiting fact). Searching for OA44526 will give you a good list of recommendations. DB2 and GRS locks are unrelated (except for allocation related ones). Horst Sinram - STSM, IBM z/OS Wo

Re: LPAR is 100% capped but MVS is busy only 60%. Not too bad, right?

2016-10-28 Thread Horst Sinram
es_and_4HRA_Optimization_2016.pdf you'll find some more details. Horst Sinram - STSM, z/OS Workload and Capacity Management -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN

Re: Would HiperDispatch likely delay heavy multitasking job?

2016-10-04 Thread Horst Sinram
freundlichen Gruessen Horst Sinram - STSM, IBM z/OS Workload and Capacity Management -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN

Re: AW: Re: Would HiperDispatch likely delay heavy multitasking job?

2016-09-30 Thread Horst Sinram
of an address space. Giving the work unit a high priority can help increasing the parallelism because the helper node would select by priority. Horst Sinram - STSM, z/OS Workload and Capacity Management -- For IBM-MAIN subscribe / signoff

Re: WLM Question

2016-08-30 Thread Horst Sinram
tion(s) on your DR backup sets Horst Sinram - STSM, z/OS Workload and Capacity Management -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN

Re: can a program determine the capacity setting of a z-box?

2016-04-27 Thread Horst Sinram
Sysevent REQLPDAT is z/OS only. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN

Re: can a program determine the capacity setting of a z-box?

2016-04-27 Thread Horst Sinram
Sysevent REQLPDAT offers quite a bit more information than Sysevent QVS (https://www.ibm.com/support/knowledgecenter/SSLTBW_2.2.0/com.ibm.zos.v2r2.iead200/iead200821.htm) and could also be called unauthorized when that matters. Horst Sinram - STSM, z/OS Workload and Capacity Management

Re: Silly problem with WLM Classification Rules

2014-12-11 Thread Horst Sinram
Hi Kees, sorry, there is no way to classify based on the existence/specification of a work qualifier. On z/OS V2.1 you could simplify your rules by creating a scheduling environment group but it would still require that the group specification includes all your scheduling environments. Horst

Re: ENF 55(SRM Shortage) event

2014-02-03 Thread Horst Sinram
Miklos, it depends on the qualifier what variables are filled in. We intend to add commentary to provide that information. In the meantime, SYS1.SAMPLIB(IRAEN55S) has a sample exit that you may find useful. Kind regards / Mit freundlichen Gruessen Horst Sinram - IBM z/OS Workload Management

Re: Is it possible to open PCOMM session up to 50?

2013-07-18 Thread Horst Sinram
Personal Communications Version 6.0 supports up to 52 sessions. See http://pic.dhe.ibm.com/infocenter/pcomhelp/v6r0/index.jsp?topic=%2Fcom.ibm.pcomm.doc%2Freadme%2FreadV60.html I think you need to use sessions A-Z and a-z -- but I never tried myself :-) Horst Sinram - IBM z/OS Workload Management

Re: why does WLM Server status change from YES to NO

2013-05-23 Thread Horst Sinram
the AORs) with the full transaction reporting that you would get from Manage to Goal of Transactions. It's primarily useful for systems where CICS is the predominant workload. (And, yes, I have seen data from quite a few large sites using it very successfully.) Horst Sinram - IBM z/OS Workload

Re: why does WLM Server status change from YES to NO

2013-05-23 Thread Horst Sinram
in it. Horst Sinram - IBM z/OS Workload Management -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN

Re: Defined capacity

2013-02-28 Thread Horst Sinram
. These APIs could be used through some products (e.g. Tivoli System Automation ProcOps), or you could (probably, but I did not verify that all operations are supported e.g. in z/OS BCPii) come up with homegrown automation. Horst Sinram - IBM z/OS Workload Management

Re: WLM Intelligent Resource Director (was Defined capacity)

2013-02-27 Thread Horst Sinram
CPU Management such that there is no reason why one would want to continue with the old management in a HD=YES environment Horst Sinram - z/OS Workload Management -- For IBM-MAIN subscribe / signoff / archive access instructions

Re: Defined capacity

2013-02-27 Thread Horst Sinram
distribution of your workload within the LPAR cluster has changed or not, and how long the capping situation persists (with pattern capping there is obviously a much better chance.) Horst Sinram - IBM z/OS Workload Management -- For IBM

Re: Low priority workload

2013-02-26 Thread Horst Sinram
of your resource group (i.e. system or Sysplex), and the amount of work running at a higher priority you may well end up at that order of magnitude for the achievable granularity for *that* resource group in your environment. Horst Sinram - IBM z/OS Workload Management

Re: ''MVS overhead'' (as indicated by OMEGAMON)

2013-02-21 Thread Horst Sinram
work queues... CPUMF counters won't help you diagnosing anything. CPUMF sampling could help -theoretically- but the data may be very hard to evaluate. Horst Sinram - IBM z/OS Workload Management -- For IBM-MAIN subscribe

Re: SMF Type 99 quandry

2012-08-23 Thread Horst Sinram
10 seconds. In the MVS System Management Facilities (SMF) book (http://publibz.boulder.ibm.com/epubs/pdf/iea2g2c1.pdf) you can find a summary of what subtypes are written. And subtype 12-14 are written every 2 sec but they are very small as well. Kind regards - Horst Sinram IBM z/OS Workload