IBM Systems Magazine, Power Systems - May 2015 - 12

library. In Poland, we also backup
to a virtual storage library and
replicate the entire save to the
Medina Power Systems server,"
Livingood says. "We also replicate
production partitions between
boxes, using iTERA Availability
from Vision Solutions to copy
the production PG&A side of the
business to our main Infor XA
production box in a different
partition and our main Infor
XA production partition to the
production PG&A system in a
different partition. We're pretty
much covered when it comes to
backups and disaster recovery."
	

By employing IBM's journal caching feature, Polaris was able to save a great
deal of money, says Keith Livingood, the company's IBM i senior administrator.

Thumbs Up

us if we brought someone in from
MPG to help educate us on how to
use it,' " Livingood recalls.
Haanpaa gave the thumbs
up to this proposal, and Polaris
contacted MPG to suggest an
in-house training session. MPG
sent a representative to Polaris
to conduct a two-and-half day
briefing explaining in more
detail what the tool was and the
capabilities it could provide.
During the briefing, Livingood
mentioned the long-running job,
and the MPG representative used
Performance Navigator to look
into it. As it turned out, some 70
percent of the 400 minutes the
job was consumed by journaling,
or as Livingood describes it,
"journal thrashing." Already
having an open ticket with IBM
regarding this issue, Livingood
contacted IBM with a description
of what was happening and

m

Polaris was also covered when
it came to running jobs-until
one of them inexplicably began
taking 400 minutes to complete,
significantly longer than what
it had taken in the past. It
created a cascading effect, with
subsequent processes running
past the expected termination
time of 6 a.m. As a result, critical
reports and jobs, including the
transmittal of FTPs to vendors,
were delayed.
Somewhat flummoxed by
this increase in job runtime, the
company's IT department tried
several workarounds, including
moving some jobs from one
queue to another. Although this
did address some of the issues
regarding job delays, it wasn't
an ideal solution. The company
wanted to clearly identify and
rectify the problem.
It rooted around its stable of
administrative tools and found
one that it had on hand but was
not using to its fullest potential:
MPG's Performance Navigator.
"I had exposure to it at other
companies, so I went to our
manager, Mark Haanpaa, and
said, 'We have this tool; there's so
much that can be done with it and
I think it would be beneficial for

One rogue job
went from taking

400
minutes
back to

100
minutes

after diagnosing
with MPG
Performance
Navigator

was presented with a possible
solution-journal caching.
A separately chargeable IBM
feature, this tool allows users to
bundle or cache journal entries in
main storage before writing them
to disk. "Instead of sending one
record at a time, it bundles and
sends them in groups. So based
on the results we got from that
Performance Navigator report, we
decided to spring for the journal
caching feature, and that job went
from 400 minutes back to 100,
which was a pretty big difference.
The average now is around 140
minutes, 150 minutes, but even
that's still pretty significant."
As a result, processes and
reports are no longer being
delayed, vendor FTPs are going
out as scheduled and reports are
getting into the hands of decision
makers as expected. Notably,
the correct diagnosis of the issue
negated the need for the company
to deploy additional processors,
extra memory or expanded disk
space, saving the company a great
deal of money.

A Huge Return
Since the MPG training session,
Polaris has found other beneficial
uses for the Performance
Navigator tool. For example,
another job was consuming a
great deal of CPU. Livingood
initially thought it might be

12 // MAY 2015 ibmsystemsmag.com

new_pg 10-14.indd 4

5/1/15 8:23 AM


http://www.ibmsystemsmag.com

IBM Systems Magazine, Power Systems - May 2015

Table of Contents for the Digital Edition of IBM Systems Magazine, Power Systems - May 2015

Table of Contents
Editor's Desk: Speaking the same language
IBM Perspective: Turning to OpenPOWER
Partner PoV: Adopt a business-first strategy for your IBM i applications
Case Study: Cool Runnings: Polaris Industries reduces job runtimes, saves CPU usage and specs out new systems
Cover Story: Infrastructure: It's a Matter of Choice: How CAPI, OpenPOWER and Linux help businesses find the best solution
Feature: Infrastructure Matters. Myth or Truth?: People hold many misconceptions about IT infrastructure -- about what it can do and what it can't -- especially in terms of cloud and big data and analytics deployments
Trends: A deeper look at POWER8 CAPI and Data Engine for NoSQL
HotTECH Products
Tech Showcase: The hows and whys of migrating to Power
Solutions: RDB Connect 4.0; TLA Forms
Snapshot: Annie Fahy
Reference Point - Global Events, Education, Resources for Power Systems
2015 Power Systems Solution Edition Product Index
IBM Systems Magazine, Power Systems - May 2015 - Intro
IBM Systems Magazine, Power Systems - May 2015 - Cover1
IBM Systems Magazine, Power Systems - May 2015 - Cover2
IBM Systems Magazine, Power Systems - May 2015 - 1
IBM Systems Magazine, Power Systems - May 2015 - Table of Contents
IBM Systems Magazine, Power Systems - May 2015 - 3
IBM Systems Magazine, Power Systems - May 2015 - 4
IBM Systems Magazine, Power Systems - May 2015 - Editor's Desk: Speaking the same language
IBM Systems Magazine, Power Systems - May 2015 - IBM Perspective: Turning to OpenPOWER
IBM Systems Magazine, Power Systems - May 2015 - 7
IBM Systems Magazine, Power Systems - May 2015 - Partner PoV: Adopt a business-first strategy for your IBM i applications
IBM Systems Magazine, Power Systems - May 2015 - 9
IBM Systems Magazine, Power Systems - May 2015 - Case Study: Cool Runnings: Polaris Industries reduces job runtimes, saves CPU usage and specs out new systems
IBM Systems Magazine, Power Systems - May 2015 - 11
IBM Systems Magazine, Power Systems - May 2015 - 12
IBM Systems Magazine, Power Systems - May 2015 - 13
IBM Systems Magazine, Power Systems - May 2015 - 14
IBM Systems Magazine, Power Systems - May 2015 - 15
IBM Systems Magazine, Power Systems - May 2015 - Cover Story: Infrastructure: It's a Matter of Choice: How CAPI, OpenPOWER and Linux help businesses find the best solution
IBM Systems Magazine, Power Systems - May 2015 - 17
IBM Systems Magazine, Power Systems - May 2015 - 18
IBM Systems Magazine, Power Systems - May 2015 - 19
IBM Systems Magazine, Power Systems - May 2015 - Feature: Infrastructure Matters. Myth or Truth?: People hold many misconceptions about IT infrastructure -- about what it can do and what it can't -- especially in terms of cloud and big data and analytics deployments
IBM Systems Magazine, Power Systems - May 2015 - 21
IBM Systems Magazine, Power Systems - May 2015 - 22
IBM Systems Magazine, Power Systems - May 2015 - 23
IBM Systems Magazine, Power Systems - May 2015 - Trends: A deeper look at POWER8 CAPI and Data Engine for NoSQL
IBM Systems Magazine, Power Systems - May 2015 - 25
IBM Systems Magazine, Power Systems - May 2015 - 26
IBM Systems Magazine, Power Systems - May 2015 - 27
IBM Systems Magazine, Power Systems - May 2015 - 28
IBM Systems Magazine, Power Systems - May 2015 - HotTECH Products
IBM Systems Magazine, Power Systems - May 2015 - 30
IBM Systems Magazine, Power Systems - May 2015 - 31
IBM Systems Magazine, Power Systems - May 2015 - 32
IBM Systems Magazine, Power Systems - May 2015 - Tech Showcase: The hows and whys of migrating to Power
IBM Systems Magazine, Power Systems - May 2015 - 34
IBM Systems Magazine, Power Systems - May 2015 - 35
IBM Systems Magazine, Power Systems - May 2015 - 36
IBM Systems Magazine, Power Systems - May 2015 - 37
IBM Systems Magazine, Power Systems - May 2015 - Solutions: RDB Connect 4.0; TLA Forms
IBM Systems Magazine, Power Systems - May 2015 - 39
IBM Systems Magazine, Power Systems - May 2015 - Snapshot: Annie Fahy
IBM Systems Magazine, Power Systems - May 2015 - Cover3
IBM Systems Magazine, Power Systems - May 2015 - Cover4
IBM Systems Magazine, Power Systems - May 2015 - Reference Point - Global Events, Education, Resources for Power Systems
IBM Systems Magazine, Power Systems - May 2015 - 2015 Power Systems Solution Edition Product Index
IBM Systems Magazine, Power Systems - May 2015 - SE2
IBM Systems Magazine, Power Systems - May 2015 - SE3
IBM Systems Magazine, Power Systems - May 2015 - SE4
IBM Systems Magazine, Power Systems - May 2015 - SE5
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