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IBM z13s User Manual

IBM z13s
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Chapter 1. Introducing IBM z13s servers 11
Beginning with z13s servers, IBM zAware runs in a
zACI mode logical partition. Either CPs or
IFLs can be configured to the IBM zAware partition. This special partition is defined for the
exclusive use of the IBM z Systems Advanced Workload Analysis Reporter (IBM zAware)
offering. IBM zAware requires a special license, IBM z Advanced Workload Analysis Reporter
(zAware)
For customers now considering IBM zAware, z13 GA2 introduces zACI, which supports IBM
zAware. IBM zAware functions are the same whether it uses zACI or runs as a stand-alone
zAware partition. Existing zAware instances are automatically converted to use the zACI
partition. For new zACI instances that will use IBM zAware, use the zACI web interface to
select IBM zAware.
1.2.5 Reliability, availability, and serviceability design
System reliability, availability, and serviceability (RAS) is an area of continuous IBM focus.
The RAS objective is to reduce, or eliminate if possible, all sources of planned and unplanned
outages, while providing adequate service information in case something happens. Adequate
service information is required for determining the cause of an issue without the need to
reproduce the context of an event. With a properly configured z13s server, further reduction of
outages can be attained through improved, nondisruptive replace, repair, and upgrade
functions for memory, drawers, and I/O adapters. In addition, z13s servers have extended
nondisruptive capability to download and install Licensed Internal Code (LIC) updates.
Enhancements include removing pre-planning requirements with the fixed 40 GB HSA.
Client-purchased memory is
not used for traditional I/O configurations, and you no longer
need to reserve capacity to avoid disruption when adding new features. With a fixed amount
of 40 GB for the HSA, maximums are configured and an IPL is performed so that later
insertion can be dynamic, which eliminates the need for a power-on reset of the server.
IBM z13s RAS features provide many high-availability and nondisruptive operational
capabilities that differentiate the z Systems in the marketplace.
The ability to cluster multiple systems in a Parallel Sysplex takes the commercial strengths of
the z/OS platform to higher levels of system management, scalable growth, and continuous
availability.
1.3 z13s technical overview
This section briefly reviews the major elements of z13s servers:
򐂰 Models
򐂰 Model upgrade paths
򐂰 Frame
򐂰 CPC drawer
򐂰 I/O Connectivity
򐂰 I/O subsystem
򐂰 Parallel Sysplex Coupling and Server Time Protocol connectivity

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IBM z13s Specifications

General IconGeneral
BrandIBM
Modelz13s
CategoryServer
LanguageEnglish

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