Speeding Performance Problem Solving by Breaking … › share › 120 › webprogram › Handout...
Transcript of Speeding Performance Problem Solving by Breaking … › share › 120 › webprogram › Handout...
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Speeding Performance Problem Solving by Breaking Down Silo Views on Your z/OS Systems
Joe Winterton
IBM Tivoli OMEGAMON
February 5, 2013
Session Number 12616
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Speeding Performance Problem Solving
• Transparent Development – customer driven
• Pro-Active Performance Management
• Problem Solving -- Silo examples (zOS, CICS, IMS, DB2,
MQ, Storage, Networks)
• Problem Solving -- Multi-Domain examples-demo
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How we deliver software – Transparent Development
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Changing How we Develop Software
• Client involvement from the beginning and
throughout the development process
• Over 40 clients throughout North
America and Europe
• Different size IT shops
• Different customers for each monitor.
• Agile (transparent) development model
validates use cases and functions as we
go
• Over 100 pieces of feedback driven into
the product by monthly reviews and
demonstrations.
Request for
enhancements
30 day reviews
90 day response
z/OS WW customer
Advisory Council
Quarterly calls
•Early Adopters Programs
•Monthly Calls and Demos
Development
Roadmap
Beta Program
Release
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IBM interviewed over 200 customers to understand future monitoring challenges needing to be addressed
In addition to customer ranking, conducted:
• Advisory Councils
• “Outside-in design” prototyping
• Early Adopter and Beta programs
#1 Requirement - Enhance 3270 UI with Problem Solving scenarios
#2 Requirement - Improve Maintenance
2010 NA & European Customer Advisory Council Survey
Top 3 Customer Requirements
#3 Requirement - Improve Performance utilizing zIIP
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Now OMEGAMON customers walk side by side as we build new functions
In addition to customer ranking, conducted:
• Advisory Councils
• “Outside-in design” prototyping
• Early Adopter and Beta programs
#1 Requirement - focus on - Design/ review/ code/demo/ feedback/use
#2 Requirement – Then move on to next item - same
zSMC – Service Management Connect – join with us
#3 Requirement – And so on till we have a release set of content
https://www.ibm.com/developerworks/servicemanagement/z/index.html
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Strategy with OMEGAMON 510s
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• Move customers with e3270ui/ITM to PROACTIVE monitoring
• not eyes on over 30 screens looking at lights or numbers
• Do not look at STATUS screens -- get alerted on real issues
• Simplification – reduction in the number of monitoring address spaces
• Go from alerts to SME problem solving
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Sample Situations for my zOS LPARs
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ITM - TEP Situation Event Console
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e3270ui - ITM Situation Event Console
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Simplified OMEGAMON Architecture on z
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Problem Solving Scenario OMEGAMON XE for zOS 5.1.0 USS Process gone WILD !!
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Situation Alerts me – Out of Control Process on SYS LPAR
Two alerts – CPU
Looper warning
and maybe WILD
USS process on
SYS
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zOS Systems -overview who is the LOOPING job?
I can CANCEL
right now if I wish
– but Want to look
some more
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JAVA (of course )– CTG90GP Process
We see the JAVA
Command in
CTG90GP burning
CPU
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CTG90GP USS -JAVA use Details
Wild Process has used
11Hr 28 Min of z114 CPU
in 15 hours
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Bottleneck Analysis and Inspect CTG90GP to get to looping code code
Time to CANCEL
the wild USS
Process !!
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Problem Solving Scenario OMEGAMON XE for zOS 5.1.0 Running out of USS Processes on an LPAR
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Situation Alerts me – impending doom on SP14 LPAR
Look USS
Process use over
90% on SP14
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SP14 -Unix System Service overview
282 out of max 300
Processes in use –
lets see what they
are?
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User WLAND4 – what are they doing?
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Contact the SME – WAND4
• Configuring USS Server on another LPAR
blocking this LPAR
•Cancel this work on other LPAR
•USS Process use goes down to 14%
•Success – SP14 dodges DOOM
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Example of quickly finding and fixing z/OS Problem-Job CPU Looping
Possible Looping Job
Enter ‘c’ to cancel job
Job Cancelled
New E3270UI highlights
problems and simplifies
resolving them quickly
Screen 1
Step 2
Screen 2
In prior releases this may have taken from
5 to 15 screen interactions
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Maybe change PPS -CPU Loop Warning
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Example of quickly finding and fixing z/OS Problem – Job Held Dataset
Waiting Job on Enqueue
Enter ‘d’ for details
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Example of quickly finding and fixing z/OS Problem – Job Held Dataset
Bad Job Holding –Good
Job waiting
Enter ‘c’ to cancel job
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Example of quickly finding and fixing z/OS Problem – Job Held Dataset
Confirm to Cancel
Bad Job-allow Good
Job to run
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Problem Solving Scenario OMEGAMON XE for CICS 5.1.0 MRO delay maybe effecting RT
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Start with Service Level Analysis -
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CICSCTCA and CICSCTAA Better RT
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CICSCAAA to CICSCTCA
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Compare Active Tasks - CICSCAAA
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Active Tasks CICSCTCA- overtyped name
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CICS Dispatcher view
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CICSCAAC 36 active and
CICSCTCA – 68 active
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CICS SME needed to continue
•
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Problem Solving Scenario OMEGAMON XE for Messaging 7.1.0 Queue Filled due to Application not started
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Situation Alerts me – QMGR MQB1 Queue Health Critical
Look MQB1 –
Queue Health
Critical – lets
check why
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Looking at the QNAME - see the issue
Queue
Book.Buy.WS.Prod
is 99.9% FULL
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Queue details shows no applications OPEN for Input
Queue
Book.Buy.WS.Prod
no applications
reading the queue
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Contact the correct MQ SME
• Please start the application to start reading the
queue.
Then the messages in the queue will get
processed !
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Problem Solving Scenario OMEGAMON XE for Messaging 7.1.0 OMEGAMON XE for CICS 5.1.0
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CICS and MQ interaction
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CICS3ABx - Queue CSQB
MQOPEN,MQCLOSE, MQGET,
activity
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CICS shows CSQB details CICS3W8B
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CICS3W8B - Queue CSQB
Statistics
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From CICS we can TAKE ACTION
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MQ Connection – SET ,
FORCE Notconnected
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Now lets go over to MQ – See its view
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Queue CSQB Critical Health
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CSQB Queue list and # Input/Output Opens
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CSQB Queue list by Queue
Name – XMITQ – lets look
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Drill down to a Queue – Channel Status
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Queue CSQB XMIT Queue
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Look at CICS3ABB Queue Details
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CICS3ABB – INITQ details
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CICS3ABB – In flight work from MQ
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CICS3ABB – MQ work
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CSQB Events list – Channel Start/Stops
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Recent Events in last Hour
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Problem Solving Scenario OMEGAMON XE for Messaging 7.1.0 CF Structure lssue
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e3270ui MQ Situation popped
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MQ_QSG_CFStruct_Failed
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MQ Queue Sharing Group
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Q7G2 –lets look
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Q7G2 - Inactive
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Drill Down – CF for Q7G2
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CSQSYSAPPL Connect Failed
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Contact the correct MQ SME
• Please fix the CF Structure failure for this
application!
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Problem Solving Scenario OMEGAMON XE for CICS 5.1.0 DB2 waits impacting CICS Response time
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CICSPlex Service Level Analysis Look at YTRANS group
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YTRANS – Got OK RT and
some DB2 wait %
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YTRANS Transactions – DB2 waits
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CICSxxxx – Drill down on one
Region with DB2 wait%
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One Region details for YTRANS
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CICSxxxx – looking OK
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DB2 Region connected to CICS Region
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CICSxxxx – DBW6 region
connected to this CICS
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Next step go over to DB2 look at the regions and threads to continue
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Problem Solving Scenario OMEGAMON XE for Storage 5.1.0 Storage Allocation and Performance issues
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e3270ui – ZPETPLX2 SMS overview
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Lets Look at Space and then Performance
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Pick “F” for Storage
Groups Space
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SMS Storage Groups Space Summary
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Group Space, Lowest
volume Free space
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Lets Pick Volume Space
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Volume D83VE3 Space details
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Back and Look at Storage Performance
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Dataset – LPARs – Job’s using
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A SME drills down for Volume Space or Performance issues
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Problem Solving Scenario OMEGAMON XE for DB2PE 5.1.1 DB2 Plans running in a Sharing Group
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Look at Active DB2 Data Sharing Groups
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Plans running in the PLEX right now
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Group Thread Statustics
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Problem Solving Scenario OMEGAMON XE for Mainframe Networks 5.1.0 Drill down to TCP/IP details
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Network Health for Applications Overview
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Select TCP Stack overview
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TCP/IP Stack Overview
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Problem Solving Scenario OMEGAMON XE for IMS 5.1.0 Overview drill down
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Monitored IMS Subsystems
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IMS Transactions in the Susbsystem
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Speeding Performance Problem Solving
• Transparent Development – customer driven
• Pro-Active Performance Management
• Problem Solving -- Silo examples
• Problem Solving -- Multi-Domain examples-demo
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Speeding Performance Problem Solving by Breaking Down Silo Views on Your z/OS Systems
Joe Winterton
IBM Tivoli
February 5, 2013
Session Number 12616
Insert
Custom
Session
QR if
Desired.