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IBM eServer zSeries 890产品手册
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2020-03-04
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IBM eServer zSeries 890(z890)以较低的入门级容量提供了 System z 服务器功能,这原本只在 IBM z/Architecture:trade_mark: 硬件上使用,还提供了新的颗粒度增长选件。可选的 System z Application Assist Processor(zAAP)提供了一种经济有效且专门化的 Java:trade_mark: 执行环境,从而提供了更高的性价比。用于灵活性部署 Linux:registered: 工作负载的专业引擎和内置 Parallel Sysplex:registered: 耦合设施,有助于更好地将 z890 的先进技术与您的 IT 基础架构需求相结合。
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IBM zSeries 890
A mainframe sized and priced to suit your on demand business needs
Highlights
■
IBM _`® zSeries® func-
tionality at a lower entry
capacity level than
previously available on
IBM z/Architecture™ hardware
and with new granular growth
options
■
Optionally configured zSeries
Application Assist Processor
(zAAP), delivering a cost-
effective and specialized Java™
execution environment for
improved price/performance
benefits
■
Specialty engines for flexible
deployment of Linux®
workloads and internal
Parallel Sysplex® coupling
facilities help to better align
IBM _` zSeries 890 (z890)
advanced technology with your
IT infrastructure requirements
■
Flexibility to run multiple appli-
cations and operating systems
on a single server
A mainframe for the midsized enterprise
The wave of change that IBM first
called “on demand” continues to gain
momentum. Customers ask more of
your company every day, demanding
that your technology infrastructure be
responsive, flexible and resilient. To help
meet the challenges of constant
change, your company must do more
than simply integrate its processes—it
must literally be able to provide prod-
ucts and services to customers on
demand. Achieving success in this
environment requires an entirely new
approach. In short, it’s never been so
important for your business—and your
IT infrastructure—to be flexible.
But what does it really mean to be
flexible? It means building an IT infra-
structure that can change as fast as the
market demands. It means maintaining
the ability to grow along with your busi-
ness at your own pace, increasing and
decreasing capacity as needed and
paying for only what you use. It means
running multiple applications and multi-
ple operating systems at the same time
on the same server. It means maintain-
ing flexible growth and upgrade
options. If your company can truly
achieve this flexibility, it can compete—
and win—in today’s marketplace.
From an IT perspective, flexibility has
sometimes seemed like a luxury
afforded only to larger companies.
While small and medium-sized busi-
nesses struggled to do more with
less, bigger companies were able to
simplify their infrastructures through
high-end enterprise servers like the
IBM _` zSeries 990 (z990). Now,
IBM brings the advanced mainframe
technology of the z990 to your IT world
with the IBM _` zSeries 890
(z890), designed and sized specifically
for the midsized enterprise. The z890 is
a mainframe with advanced on demand
capabilities at a size and cost that fits
your business.
z890—Single model with multiple features for a range of capacity settings
Uni-processor variants 2 processor variants 3 processor variants 4 processor variants
110 210 310 410
120 220 320 420
130 230 330 430
140 240 340 440
150 250 350 450
160 260 360 460
170—Full Uni 270—Full 2P 370—Full 3P 470—Full 4P
Single machine: 2086 and a single model: A04
How can the z890 help you control
costs? This new line of high-
performance midrange servers provides
many of the capabilities available in
larger enterprise-class servers at a
lower entry point, along with extremely
granular growth options that allow you
to buy the capacity that best fits your
needs. The z890 is capable of running
Linux and mainframe operating systems
at the same time, and it provides the
flexibility to easily manage changing
business needs while maintaining main-
frame levels of availability and security.
With the z890, you can start at the
capacity setting you need to meet your
IT infrastructure requirements, then eas-
ily add additional capacity to meet your
changing needs as you grow. The four
processors on the z890 have seven
engine levels, giving you a total of 28
capacity settings overall. The smallest
z890—with capacity setting 110—has
most of the same features as the other
27 capacity settings, however, it has
smaller I/O configuration/expansion
capabilities.
To help you reduce the complexity and
costs of your IT infrastructure, you
can use the advanced virtualization
technology of the z890 to run several
operating systems at the same time.
Competitively priced Integrated Facility
for Linux (IFL) engines help you run
Linux applications more cost-effectively,
and specialized assist processing with
zSeries Application Assist Processors
(zAAPs) deliver a newly designed envi-
ronment for running Java technology-
based applications on z/OS® V1.6 and
subsequent releases on the mainframe.
Most importantly, the z890 gives your
business many of the same availability,
scalability and security features
of the z990—IBM’s cornerstone
On Demand Business server. The z890
can provide the power and flexibility
that seemed out of reach in a size that’s
right for your IT world.
Granular growth options
When it comes to growth, the z890
offers extreme granularity. The range of
capacities for the z890 has increased
from the processor on its predecessor,
the IBM _` zSeries 800 (z800)—
options for low capacity are now lower
and those for high capacity are now
higher. What does that mean to your
business? It means you can start at the
capacity level you need to simplify your
IT infrastructure, then add additional
capacity to meet your changing needs
as you grow.
Built on z990 technology
Built on the powerhouse function of the
z990, the z890 offers many of the fea-
tures and functions of the z990 at a
considerably lower capacity entry point.
That’s not so bad, considering the z990
is IBM’s most sophisticated mainframe,
with world-class scalability, virtualiza-
tion, automation, security and reliability.
The IBM _` zSeries Application
Assist Processor (zAAP), available on
the z890 and z990 servers, is an attrac-
tively priced specialized processing unit
that provides an economical z/OS Java
execution environment for customers
who desire the traditional qualities of
service and the integration advantages
of the zSeries platform. zAAPs are
designed to assist and operate asyn-
chronously with the central processors
to execute Java programming under
control of the IBM Java Virtual Machine
(JVM). This can help reduce the
demands and capacity requirements on
central processors which may then be
available for reallocation to other
zSeries workloads.
The amount of central processor sav-
ings may vary based on the amount of
Java applications executed by zAAPs,
and thereby may contribute to lowering
the overall cost of computing for z/OS
Java technology-based applications.
Best of all, IBM JVM processing cycles
can be executed on the configured
zAAPs with no anticipated modifications
to the Java application(s).
Continuing enhancements to the Open
Systems Adapters provide improved
throughput, enhanced virtualization with
up to 4 times the supported TCP/IP
connections, Large Send TCP
Segmentation offload, concurrent LIC
updates, a 10 Gigabit Ethernet feature,
and the capability to perform like a
Layer 2 type device providing the capa-
bility of being protocol or Layer 3
independent.
FICON® Express2 features can provide
improved throughput, support for up to
four FICON Channels, support for up
to 2 Gigabit per second high speed
attachment of traditional disk and tape
storage, connectivity to SCSI based
open storage via Linux on zSeries and
availability enhancements with FICON
Purge Path Extended. Additionally, with
FICON Express and FICON Express2,
FCP LUN Access Control, when avail-
able, is designed to enhance security
and resource sharing on SCSI storage
controllers and devices.
Another feature for both the z890 and
the z990 is the OSA-Integrated Console
Controller (OSA-ICC), which offers sys-
tem console (IPL) and operations sup-
port for multiple logical partitions
(LPARs). The OSA-ICC enables local
and remote user console session capa-
bility, as well as encrypted remote
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