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Logical partition

Index Logical partition

A logical partition, commonly called an LPAR, is a subset of a computer's hardware resources, virtualized as a separate computer. [1]

50 relations: Access register, Address space, Amdahl Corporation, Central processing unit, Computer memory, CP-67, Dataspaces, Disk array, Dynamic Logical Partitioning, Fujitsu, Full virtualization, Hardware virtualization, HiperSocket, Hitachi, Hitachi Data Systems, Hypervisor, IBM AIX, IBM CP-40, IBM i, IBM Parallel Sysplex, IBM Power Systems, IBM System i, IBM System p, IBM System z10, IBM System z9, IBM System/370, IBM System/390, IBM Z, Intel vPro, Internet protocol suite, Linux, Micro-Partitioning, Non-uniform memory access, Operating system, Oracle VM Server for SPARC, POWER5, POWER6, PowerVM, PR/SM, SCSI, Solaris Containers, Sun Microsystems, Transaction Processing Facility, Virtual machine, VM (operating system), VSE (operating system), Workload Partitions, X86-64, Z/OS, Z/VM.

Access register

In IBM terminology, Access Registers are hardware registers in the processor.

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Address space

In computing, an address space defines a range of discrete addresses, each of which may correspond to a network host, peripheral device, disk sector, a memory cell or other logical or physical entity.

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Amdahl Corporation

Amdahl Corporation was an information technology company which specialized in IBM mainframe-compatible computer products, some of which were regarded as supercomputers competing with those from Cray Research.

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Central processing unit

A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.

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Computer memory

In computing, memory refers to the computer hardware integrated circuits that store information for immediate use in a computer; it is synonymous with the term "primary storage".

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CP-67

CP-67 was the control program portion of CP/CMS, a virtual machine operating system developed for the IBM System/360-67 by IBM's Cambridge Scientific Center.

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Dataspaces

Dataspaces are an abstraction in data management that aim to overcome some of the problems encountered in data integration system.

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Disk array

Typically a disk array provides increased availability, resiliency, and maintainability by using existing components (controllers, power supplies, fans, etc.), often up to the point where all single points of failure (SPOFs) are eliminated from the design.

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Dynamic Logical Partitioning

Dynamic Logical Partitioning (DLPAR), is the capability of a logical partition (LPAR) to be reconfigured dynamically, without having to shut down the operating system that runs in the LPAR.

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Fujitsu

is a Japanese multinational information technology equipment and services company headquartered in Tokyo, Japan.

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Full virtualization

In computer science, virtualization is a modern technique developed in late 1990s and is different from simulation and emulation.

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Hardware virtualization

Hardware virtualization is the virtualization of computers as complete hardware platforms, certain logical abstractions of their componentry, or only the functionality required to run various operating systems.

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HiperSocket

HiperSockets is an IBM technology for high-speed communications between partitions on a server with a hypervisor.

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Hitachi

() is a Japanese multinational conglomerate company headquartered in Chiyoda, Tokyo, Japan.

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Hitachi Data Systems

Since September 19, 2017, Hitachi Data Systems (HDS) has become part of Hitachi Vantara, a new company that unifies the operations of Pentaho, Hitachi Data Systems and Hitachi Insight Group.

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Hypervisor

A hypervisor or virtual machine monitor (VMM) is computer software, firmware or hardware that creates and runs virtual machines.

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IBM AIX

AIX (Advanced Interactive eXecutive, pronounced) is a series of proprietary Unix operating systems developed and sold by IBM for several of its computer platforms.

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IBM CP-40

CP-40 was a research precursor to CP-67, which in turn was part of IBM's then-revolutionary CP-67/CMS – a virtual machine/virtual memory time-sharing operating system for the IBM System/360 Model 67, and the parent of IBM's VM family.

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IBM i

IBM i is an operating system that runs on IBM Power Systems and on IBM PureSystems.

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IBM Parallel Sysplex

In computing, a Parallel Sysplex is a cluster of IBM mainframes acting together as a single system image with z/OS.

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IBM Power Systems

Power Systems is IBM's Power Architecture-based server line.

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IBM System i

The IBM System i is IBM's previous generation of midrange computer systems for IBM i users, and was subsequently replaced by the IBM Power Systems in April 2008.

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IBM System p

The System p, formerly known as RS/6000, was IBM's RISC/UNIX-based server and workstation product line.

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IBM System z10

IBM System z10 is a line of IBM mainframes.

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IBM System z9

IBM System z9 is a line of IBM mainframe computers.

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IBM System/370

The IBM System/370 (S/370) was a model range of IBM mainframe computers announced on June 30, 1970 as the successors to the System/360 family.

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IBM System/390

The IBM System/390 was the third major generation of the System/360 line of computers.

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IBM Z

IBM Z is a family name used by IBM for all of its mainframe computers from the Z900 on.

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Intel vPro

Intel vPro technology is an umbrella marketing term used by Intel for a large collection of computer hardware technologies, including Hyperthreading, Turbo Boost 3.0, VT-x, VT-d, Trusted Execution Technology (TXT), and Intel Active Management Technology (AMT).

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Internet protocol suite

The Internet protocol suite is the conceptual model and set of communications protocols used on the Internet and similar computer networks.

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Linux

Linux is a family of free and open-source software operating systems built around the Linux kernel.

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Micro-Partitioning

Micro-Partitioning is a form of logical partitioning which was introduced by IBM on systems using the POWER5 processor, and is also referred to as a shared processor partition, and only differs from a dedicated processor partition in the way CPU utilization is configured and managed by the POWER Hypervisor (PHYP).

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Non-uniform memory access

Non-uniform memory access (NUMA) is a computer memory design used in multiprocessing, where the memory access time depends on the memory location relative to the processor.

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Operating system

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

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Oracle VM Server for SPARC

Logical Domains (LDoms or LDOM) is the server virtualization and partitioning technology for SPARC V9 processors.

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POWER5

The POWER5 is a microprocessor developed and fabricated by IBM.

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POWER6

The POWER6 is a microprocessor developed by IBM that implemented the Power ISA v.2.03.

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PowerVM

PowerVM, formerly known as Advanced Power Virtualization (APV), is a chargeable feature of IBM POWER5, POWER6, POWER7 and POWER8 servers and is required for support of micro-partitions and other advanced features.

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PR/SM

In mainframe computing a PR/SM (Processor Resource/System Manager) is a type-1 Hypervisor (a virtual machine monitor) that allows multiple logical partitions to share physical resources such as CPUs, I/O channels and direct access storage devices (DASD).

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SCSI

Small Computer System Interface (SCSI) is a set of standards for physically connecting and transferring data between computers and peripheral devices.

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Solaris Containers

Solaris Containers (including Solaris Zones) is an implementation of operating system-level virtualization technology for x86 and SPARC systems, first released publicly in February 2004 in build 51 beta of Solaris 10, and subsequently in the first full release of Solaris 10, 2005.

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Sun Microsystems

Sun Microsystems, Inc. was an American company that sold computers, computer components, software, and information technology services and created the Java programming language, the Solaris operating system, ZFS, the Network File System (NFS), and SPARC.

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Transaction Processing Facility

Transaction Processing Facility (TPF) is an IBM real-time operating system for mainframe computers descended from the IBM System/360 family, including zSeries and System z9.

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Virtual machine

In computing, a virtual machine (VM) is an emulation of a computer system.

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VM (operating system)

VM (often: VM/CMS) is a family of IBM virtual machine operating systems used on IBM mainframes System/370, System/390, zSeries, System z and compatible systems, including the Hercules emulator for personal computers.

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VSE (operating system)

z/VSE (Virtual Storage Extended) is an operating system for IBM mainframe computers, the latest one in the DOS/360 lineage, which originated in 1965.

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Workload Partitions

AIX Workload partitions (WPARs) are a software implementation of operating system-level virtualization technology introduced in the IBM's AIX 6.1 operating system that provides application environment isolation and resource control.

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X86-64

x86-64 (also known as x64, x86_64, AMD64 and Intel 64) is the 64-bit version of the x86 instruction set.

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Z/OS

z/OS is a 64-bit operating system for IBM mainframes, produced by IBM.

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Z/VM

z/VM is the current version in IBM's VM family of virtual machine operating systems.

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Redirects here:

LPAR, Logical partition (virtual computing platform), Logical partitioning, Partition (mainframe).

References

[1] https://en.wikipedia.org/wiki/Logical_partition

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