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The z/OS sysplex - IBM
A sysplex refers to a tightly-coupled cluster of independent instances of the z/OS operating system.

IBM Parallel Sysplex - Wikipedia
Used for disaster recovery, Parallel Sysplex combines data sharing and parallel computing to allow a cluster of up to 32 systems to share a workload for high performance and high availability.

Sysplex: IBM Systems Complex - Mainframes.com
A Sysplex is a collection of z/OS systems that cooperate using hardware and software functions to process work, providing improved growth potential and higher level of availability.

Difference between sysplex and lpar? - Mainframe, MVS and zOS Discussion
LPARs came about as a result of the need to split processing resources to keep workloads separate whereas the sysplex is about joining resources together in order to spread the workload across multiple LPARs/machines to improve resilience and scale capacity.

Achieving High Availability With Parallel Sysplex: It’s Way More Than ...
The Parallel Sysplex is all about creating redundancy that allows service to continue despite a component failure. For sysplex-enabled applications, the surviving instances can seamlessly absorb the work.

SYSPLEX Environment and Options (SYSPLEX) - Broadcom
If you use XCF or XES services, you must create a GSO (SYSPLEX) record. The communication feature, XCF, provides a way for each system in the SYSPLEX to send messages or signals to all other systems.

Characteristics of a sysplex - IBM
A sysplex couple data set is always required for a multisystem sysplex and for most single-system sysplexes. However, you can define a single system sysplex that does not require a sysplex couple data set.

An overview of the Parallel Sysplex and Coupling Facility on the IBM Z ...
A “Parallel” Sysplex is a ‘Sysplex’ that uses multi-system data sharing technology. Using the Parallel Sysplex clustering technology, you can link up to 32 servers to create an extremely powerful commercial processing clustered system.

0304 - ibm_sysplex - Availability Digest
IBM’s Parallel Sysplex, HP’s NonStop server, and Stratus’ ftServer are today the primary industry fault-tolerant offerings that can tolerate any single failure, thus leading to very high levels of availability.

IBM z/OS Parallel Sysplex System
Parallel Sysplex® is an IBM Z® feature that links up to 32 z/OS® systems into one logical, high-performance computing platform. It lets you run and manage multiple z/OS instances as a single system, enabling centralized control, improved availability and seamless workload sharing.

 

 

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