IBM Systems Magazine, Power Systems - October 2017 - 12
throughout its operations,
including development, testing
and production, making the
platform an essential part of its
business. As Carhartt's system of
record, it runs a variety of software
resources, including several
SAP applications, Manhattan Associates WMi, IBM
WebSphere* Application Server and IBM WebSphere
Commerce. These currently run on the company's
POWER8 production server.
"We never have to worry about this environment.
In fact, in all of the time I've been here, we've had
only one outage due to a minor hardware failure-
and that's it. It just runs, and I
never have to worry about it. It
doesn't require many people to
support it, which means we can
leverage our team's experience
to grow for the future," says John
Hill, CIO at Carhartt.
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12 // OCTOBER 2017 ibmsystemsmag.com
And that's what Carhartt did
in 2015. It decided to use that
expertise to consolidate its off-site
disaster-recovery and developing
and testing environment. At the
time, it had five Power Systems
servers, ranging from POWER5 to
POWER7, all with onboard storage.
"One of my jobs is to find
the best value for Carhartt,"
Karasienski said. "So with that in
mind, I began working with Randy
Moeller at Mainline Information
Systems to address those five older
servers that we were paying a
boatload in maintenance for.
"We had a traditional
architecture where every system
had its own I/O card. So Mainline
said, 'Hey, why don't we start
looking at virtual I/O server
(VIOS) facilities.' And we did,
allowing us to consolidate our
previous systems onto a single
POWER8 system. This reduced our
data-center footprint from three
full racks to roughly half a rack."
During this process, Carhartt
also decided to ditch its internal
disk-based storage system in
favor of a multitier IBM Storwize*
V7000 device that contains both
flash and disk. Using real-time
compression, the company was
able to move all of its dedicated
Power Systems storage down to
a single array that's faster and
more efficient than what it had
previously been using. In fact, the
company is now experiencing a
roughly 75 percent compression
ratio for its IBM i and SAP data.