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Cluster of IBM mainframes
a Parallel Sysplex is a cluster of IBM mainframes acting together as a single system image with z/OS. Used for disaster recovery, Parallel Sysplex combines
IBM_Parallel_Sysplex
Family of mainframe computers
List of IBM products Linux on IBM Z zAAP zIIP Peer to Peer Remote Copy Extended Remote Copy LPAR HiperSocket ESCON FICON IBM Parallel Sysplex IBM Secure
IBM_Z
64-bit operating system for IBM mainframes
(PDF). Redbooks (Third ed.). IBM. ISBN 0738435511. SG24-6985-02. Retrieved November 12, 2025. Base and IBM Parallel Sysplex®, z/OS System Logger, Resource
Z/OS
Line of mainframe computers
Lochkartenmaschinen zu IBM Enterprise-Servern" (PDF) (in German). p. 114 (p. 115 of pdf). "System/390 Parallel Sysplex Performance". IBM. December 1998. p
IBM_System/390
Relational model database server
online transaction processing (OLTP) workloads. IBM based the design of DB2 pureScale on the Parallel Sysplex implementation of DB2 data sharing on the mainframe
IBM_Db2
implementations. These include: BIND BitTorrent Ceph CockroachDB Dovecot IBM Parallel Sysplex MariaDB Xpand Stratus Tandem NonStop Computers YugabyteDB Business
Continuous_availability
Mainframe computer hardware
hardware or virtual machine that coordinates multiple processors. A Parallel Sysplex relies on one or more Coupling Facilities (CFs). A coupling facility
Coupling_Facility
Large computer systems produced by IBM since 1952
under z/VM) ICF, Integrated Coupling Facility: designed to support Parallel Sysplex operations SAP, System Assist Processor: designed to handle various
IBM_mainframe
run concurrently on one machine. An important capability to form a Parallel Sysplex was added to the architecture in 1994. ESA/390 also extends the Sense
IBM Enterprise Systems Architecture
IBM_Enterprise_Systems_Architecture
Audio Response Unit IBM 9037: Sysplex Timer IBM 2215: 15" Multisync Color Monitor with Digital Controls 65 kHz for Asia Pacific IBM 4707: Monochrome monitor
List_of_IBM_products
Feature of IBM mainframe models
Memory Access IBM Parallel Sysplex "MVS Initialization and Tuning Reference" (PDF). Archived from the original (PDF) on 2022-01-21. IBM System z10 mainframe
HiperDispatch
Topics referred to by the same term
GDPS may refer to: Geographically Dispersed Parallel Sysplex, an extension of Parallel Sysplex of mainframes located, potentially, in different cities
GDPS_(disambiguation)
Line of mainframe computers
Parallel Sysplex. Some of these options are available for retrofit to the System z9. As the number of cores in the System z machines has grown, IBM engineers
IBM_System_z10
Group of computers that run with minimum downtime
Urgent computing Pacemaker (software) NonStop (server computers) IBM Parallel Sysplex List of cluster management software van Vugt, Sander (2014), Pro
High-availability_cluster
Software
as needed by the volume of incoming requests Parallel Sysplex support for full participation in the Sysplex, enabling advanced failover support and a geographically
IBM WebSphere Application Server
IBM_WebSphere_Application_Server
Dispersed Parallel Sysplex (GDPS). The software is available on following operating systems: z/OS IBM Z System Automation product page IBM Z System Automation
IBM_Z_System_Automation
Component of the z/OS operating system
In IBM mainframes, a Cross-system Coupling Facility, or XCF, is a component of z/OS that manages communications between applications in a sysplex. Applications
IBM_XCF
of NoSQLz is chargeable and supports IBM Parallel Sysplex. The NoSQLz DBMS can be interfaced in Rexx, Cobol, IBM High Level Assembler, etc. NoSQLz project
NoSQLz
Subset of computer's virtualised hardware resources
LPARs running z/OS can form a Sysplex or Parallel Sysplex, whether on one machine or spread across multiple machines. On IBM System p POWER hardware, LPARs
Logical_partition
Data replication system
network clustering product like Geographically Dispersed Parallel Sysplex (GDPS), HACMP/XD, or IBM TotalStorage Continuous Availability for Windows to provide
IBM_Global_Mirror
Large and powerful computer
disruptive only when using virtualizing facilities such as IBM z/OS and Parallel Sysplex, or Unisys XPCL, which support workload sharing so that one
Mainframe_computer
IBM mainframe transaction monitor
2, in the early 1990s, IBM faced the challenge of how to get CICS to exploit the new z/OS Sysplex mainframe line. The Sysplex was to be based on CMOS
CICS
Set of computers configured in a distributed computing system
and uniqueness. Another noteworthy commercial cluster was the IBM S/390 Parallel Sysplex (circa 1994, primarily for business use). Within the same time
Computer_cluster
Component of IBM z/OS
members of an LPAR Cluster. (An LPAR Cluster is the set of members of a Parallel Sysplex on a single mainframe footprint.[clarification needed]) The total of
Intelligent_Resource_Director
Component within the IBM z/OS operating system
and augment the function through the GRS managed CTCAs. GRS Star (Parallel Sysplex) - Rather than using a message passing protocol to manage resource
Global_Resource_Serialization
Tandem Himalaya (a circa 1994 high-availability product) and the IBM S/390 Parallel Sysplex (also circa 1994, primarily for business use). No history of commodity
History_of_computer_clusters
Multi-platform emulator for mainframe software
and they must always be licensed from IBM. IBM's Coupling Facility control code, which enables Parallel Sysplex, and UTS also require licenses to run
Hercules_(emulator)
Logical partition technology in IBM POWER servers
platforms include Intelligent Resource Director, Sysplex, Parallel Sysplex, Geographically Dispersed Parallel Sysplex, and HiperSockets. The System z9 supports
Dynamic_Logical_Partitioning
Indian-born American computer scientist
like IBM Db2, MQSeries, IBM WebSphere, Informix, Cloudscape, IBM Notes, Microsoft SQL Server and IBM System z Parallel Sysplex. In a 2003 interview conducted
C._Mohan
Processing a software job non-interactively
Restart Manager (ARM), Resource Recovery Services (RRS), IBM Db2 data sharing, Parallel Sysplex, unique performance optimizations such as HiperDispatch
Batch_processing
Network model database management system for mainframes
computer: later the product was ported to IBM mainframes and to DEC and ICL hardware. The IBM-ported version runs on IBM mainframe systems (System/360, System/370
IDMS
Component of the z/OS operating system
definition is saved on a couple data set which allows all z/OS systems of a Parallel Sysplex cluster to access and execute towards the same performance goals. WLM
Workload_Manager
ISBN 0-7167-0936-8 "IBM ES/9000 Water-Cooled Processor Enhancements: New Ten-Way Processor, Parallel Sysplex Capability, and Additional Functions". IBM. April 6
History of computing hardware (1960s–present)
History_of_computing_hardware_(1960s–present)
Shared-everything clustering software
infrastructure. In late 2009, IBM announced DB2 pureScale, a shared-disk clustering scheme for DB2 9.8 on AIX that mimics the parallel sysplex implementation behind
Oracle_RAC
BatchPipes. BatchPipes can use the IBM mainframe Coupling Facility to pipe data between different members of a Parallel Sysplex, using the BatchPipePlex facility
BatchPipes
help. Smith, T. B.; Moorman, W. A.; Dang, T (January 1991). "The IBM S/390 Sysplex Timer". Digest of Papers. Fault-Tolerant Computing: The Twenty-First
Timeline_of_binary_prefixes
IBM software
Cross-Coupling Facility and is a function of the System z and z/OS Parallel Sysplex design. DCS/XCF is a function of WAS z/OS V7 that moves the DCS signaling
WebSphere Application Server for z/OS
WebSphere_Application_Server_for_z/OS
Unique identification of incremental software updates
For example, IBM z/OS is designed to work properly with 3 consecutive major versions of the operating system running in the same sysplex. This enables
Software_versioning
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