IBM Systems Magazine, Power Systems - June 2018 - 48

FOCUS ON STORAGE

Cloud computing presents a new deployment
model, in which storage is abstracted and presented
to end users and applications as a service.

overall, users can ignore the
questions of how things are
done and simply choose from
a service catalog and pay per
use. The cloud service providers
must then provide the required
capabilities, at the required
scale and at a cost that permits
an adequate margin for their
organization.
New storage requirements
arise out of the cloud model.
A network data portal that can
ingest data uploads from tenants'
own IT operations, or data feeds
from distributed operations or
the Internet of Things (IoT) is
needed. Storage infrastructure
must be shared by tenants, be
able to start small with low cost
and quickly scale as large as
demand requires. Cloud tenants
must be securely isolated. Not
only must their data be separated,
but excessive activity by one
tenant must not slow down
others. Above all, the regular
functions of storage operation
must be highly automated. User
onboarding, provisioning services
selected from the catalog and
even troubleshooting should
be handled programmatically,
because systems are too large and
complex for administrators to be
regularly touching. Fortunately,
the cloud model enforces limited
patterns of user behavior. Users
can have any storage they want as
long as it's in the service catalog.
Right behind the idea of
clouds run by service providers
is the pattern of hybrid clouds.

t

Flash SSDs
reach 15 TB
in the same
space as a
12 TB HDD. With
the added effect
of hardware
compression,
Flash is now
cheaper than
15K and 10K
RPM HDDs and
dramatically
cheaper in cost
per IO/sec.

48 // JUNE 2018 ibmsystemsmag.com

An emerging trend is for
established businesses with
their own IT shops to use service
providers to complement their
own facilities. An enterprise
could use a cloud for backup
or archive of inactive data, to
offload applications during peak
demand or to provide a complete
business process (e.g., email
and collaboration for a mobile
workforce). Hybrid clouds require
management oversight that
spans both on-premises and atcloud infrastructure, and allows
for application and data mobility
between the facilities. The need
to cooperate with cloud services
that become part of enterprise
operations pushes cloud
technology into traditional IT.

The Cognitive Effect
At the same time that clouds are
changing the ownership model
for storage, cognitive computing is
changing the way applications use
data and the storage services that
would benefit them. The attributes
of cognitive systems are that they:
*

*

*

*

Understand a variety of data
sources and imagery the way
humans do
Reason and extract
underlying principles by
forming hypotheses based
on observation of data
Learn by taking actions and
observing results and refining
hypothesis
Interact with humans in
a natural way

Taking the first two of these,
we find that many cognitive
systems require large collections
of unstructured data, presented in
a variety of formats and operated
on by a variety of algorithms. This
is quite different from traditional
rules-based systems, which accept
a limited number of inputs and
then execute a fixed set of steps.
Somewhat less exotic than fully
cognitive systems is the rapidly
growing collection of analytic
or big data systems that seek
insights from large collections
of data. Data scientists have
become an important presence
in many enterprises, and they
deploy a range of tools such as
MongoDB, Spark, Cloudant*,
Couchbase and others to derive
business insights from data. New
applications can usually get by
using whatever storage facilities
are available, but as these become
mission-critical and grow in scale,
storage requirements specific to the
workloads begin to emerge. If the
applications are important enough,
and the benefits large enough,
enterprises seeking competitive
advantage through data will adopt
new storage patterns.

New Storage
Technologies Step up
Fortunately, a new set of
advanced storage technologies
that meet new needs for
performance, cost and function
have reached maturity and are
ready for use. For performance
and cost, there are Flash-based
solid-state storage and
phase-change memory; and the
non-volatile memory express
(NVMe), NVMe over Fabric,
Coherent Accelerator Processor
Interface (CAPI), and zHyperLink
attachments. For cost and
function, software-defined
storage (SDS) includes the
software for object stores,
which are key to cloud services.
Finally, for function, IBM has a


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Table of Contents for the Digital Edition of IBM Systems Magazine, Power Systems - June 2018

Table of Contents
Editor's Desk: A cause (and a pause) for celebration
IBM Perspective: Happy 30th Anniversary, IBM i!
Partner POV: Celebrate the careers and community made possible by the IBM i platform
Techbits: What's in a name?
Currents: POWER9 brings changes to the Hardware Management Console
IT Today: IBM Cloud Private helps organizations tackle consolidation and modernization
Open Source: Improve development costs and time to market with open-source languages for IBM i
Cover Story: 'You can go anywhere from here': Integration and evolution are the hallmarks of IBM i
Feature 1: Better Together: User groups, education programs, clients and business partners coalesce to create the vibrant IBM i community
Feature 2: Developing the Future: How collaboration drives IBM i modernization
Feature 3: Built for Business Innovation: Five underlying architechtural principles of IBM i continue to deliver value to businesses
Tech Showcase: IBM works with a vast partner ecosystem to satisfy IBM i clients' needs
Focus on Storage: Storage technology shifts to accommodate cloud and cognitive demands
Solutions: DBU 11.0, absScheduler
Snapshot: Leila Soufi
Reference Point - Global Events, Education, Resources for Power Systems
2018 Power Systems Solution Edition Index
IBM Systems Magazine, Power Systems - June 2018 - Intro
IBM Systems Magazine, Power Systems - June 2018 - Cover1
IBM Systems Magazine, Power Systems - June 2018 - Cover2
IBM Systems Magazine, Power Systems - June 2018 - 1
IBM Systems Magazine, Power Systems - June 2018 - Table of Contents
IBM Systems Magazine, Power Systems - June 2018 - 3
IBM Systems Magazine, Power Systems - June 2018 - Editor's Desk: A cause (and a pause) for celebration
IBM Systems Magazine, Power Systems - June 2018 - IBM Perspective: Happy 30th Anniversary, IBM i!
IBM Systems Magazine, Power Systems - June 2018 - Partner POV: Celebrate the careers and community made possible by the IBM i platform
IBM Systems Magazine, Power Systems - June 2018 - 7
IBM Systems Magazine, Power Systems - June 2018 - Techbits: What's in a name?
IBM Systems Magazine, Power Systems - June 2018 - 9
IBM Systems Magazine, Power Systems - June 2018 - 10
IBM Systems Magazine, Power Systems - June 2018 - Currents: POWER9 brings changes to the Hardware Management Console
IBM Systems Magazine, Power Systems - June 2018 - 12
IBM Systems Magazine, Power Systems - June 2018 - 13
IBM Systems Magazine, Power Systems - June 2018 - IT Today: IBM Cloud Private helps organizations tackle consolidation and modernization
IBM Systems Magazine, Power Systems - June 2018 - 15
IBM Systems Magazine, Power Systems - June 2018 - 16
IBM Systems Magazine, Power Systems - June 2018 - 17
IBM Systems Magazine, Power Systems - June 2018 - Open Source: Improve development costs and time to market with open-source languages for IBM i
IBM Systems Magazine, Power Systems - June 2018 - 19
IBM Systems Magazine, Power Systems - June 2018 - Cover Story: 'You can go anywhere from here': Integration and evolution are the hallmarks of IBM i
IBM Systems Magazine, Power Systems - June 2018 - 21
IBM Systems Magazine, Power Systems - June 2018 - 22
IBM Systems Magazine, Power Systems - June 2018 - CT1
IBM Systems Magazine, Power Systems - June 2018 - CT2
IBM Systems Magazine, Power Systems - June 2018 - 23
IBM Systems Magazine, Power Systems - June 2018 - 24
IBM Systems Magazine, Power Systems - June 2018 - 25
IBM Systems Magazine, Power Systems - June 2018 - Feature 1: Better Together: User groups, education programs, clients and business partners coalesce to create the vibrant IBM i community
IBM Systems Magazine, Power Systems - June 2018 - 26A
IBM Systems Magazine, Power Systems - June 2018 - 26B
IBM Systems Magazine, Power Systems - June 2018 - 27
IBM Systems Magazine, Power Systems - June 2018 - 28
IBM Systems Magazine, Power Systems - June 2018 - 29
IBM Systems Magazine, Power Systems - June 2018 - Feature 2: Developing the Future: How collaboration drives IBM i modernization
IBM Systems Magazine, Power Systems - June 2018 - 31
IBM Systems Magazine, Power Systems - June 2018 - 32
IBM Systems Magazine, Power Systems - June 2018 - 33
IBM Systems Magazine, Power Systems - June 2018 - Feature 3: Built for Business Innovation: Five underlying architechtural principles of IBM i continue to deliver value to businesses
IBM Systems Magazine, Power Systems - June 2018 - 35
IBM Systems Magazine, Power Systems - June 2018 - 36
IBM Systems Magazine, Power Systems - June 2018 - 37
IBM Systems Magazine, Power Systems - June 2018 - Tech Showcase: IBM works with a vast partner ecosystem to satisfy IBM i clients' needs
IBM Systems Magazine, Power Systems - June 2018 - 39
IBM Systems Magazine, Power Systems - June 2018 - 40
IBM Systems Magazine, Power Systems - June 2018 - 41
IBM Systems Magazine, Power Systems - June 2018 - 42
IBM Systems Magazine, Power Systems - June 2018 - 43
IBM Systems Magazine, Power Systems - June 2018 - 44
IBM Systems Magazine, Power Systems - June 2018 - 45
IBM Systems Magazine, Power Systems - June 2018 - 46
IBM Systems Magazine, Power Systems - June 2018 - Focus on Storage: Storage technology shifts to accommodate cloud and cognitive demands
IBM Systems Magazine, Power Systems - June 2018 - 48
IBM Systems Magazine, Power Systems - June 2018 - 49
IBM Systems Magazine, Power Systems - June 2018 - 50
IBM Systems Magazine, Power Systems - June 2018 - Solutions: DBU 11.0, absScheduler
IBM Systems Magazine, Power Systems - June 2018 - Snapshot: Leila Soufi
IBM Systems Magazine, Power Systems - June 2018 - Cover3
IBM Systems Magazine, Power Systems - June 2018 - Cover4
IBM Systems Magazine, Power Systems - June 2018 - Reference Point - Global Events, Education, Resources for Power Systems
IBM Systems Magazine, Power Systems - June 2018 - Blank
IBM Systems Magazine, Power Systems - June 2018 - FF1
IBM Systems Magazine, Power Systems - June 2018 - FF2
IBM Systems Magazine, Power Systems - June 2018 - FF3
IBM Systems Magazine, Power Systems - June 2018 - FF4
IBM Systems Magazine, Power Systems - June 2018 - FF5
IBM Systems Magazine, Power Systems - June 2018 - FF6
IBM Systems Magazine, Power Systems - June 2018 - FF7
IBM Systems Magazine, Power Systems - June 2018 - FF8
IBM Systems Magazine, Power Systems - June 2018 - FF9
IBM Systems Magazine, Power Systems - June 2018 - FF10
IBM Systems Magazine, Power Systems - June 2018 - FF11
IBM Systems Magazine, Power Systems - June 2018 - FF12
IBM Systems Magazine, Power Systems - June 2018 - TH1
IBM Systems Magazine, Power Systems - June 2018 - TH2
IBM Systems Magazine, Power Systems - June 2018 - TH3
IBM Systems Magazine, Power Systems - June 2018 - TH4
IBM Systems Magazine, Power Systems - June 2018 - V1
IBM Systems Magazine, Power Systems - June 2018 - V2
IBM Systems Magazine, Power Systems - June 2018 - V3
IBM Systems Magazine, Power Systems - June 2018 - V4
IBM Systems Magazine, Power Systems - June 2018 - 2018 Power Systems Solution Edition Index
IBM Systems Magazine, Power Systems - June 2018 - SE2
IBM Systems Magazine, Power Systems - June 2018 - SE3
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