IBM Parallel Sysplex: Difference between revisions

Revision as of 15:16, 13 April 2012

Revision as of 15:17, 13 April 2012

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Components of a Sysplex include:

* A common time source to synchronize all member systems' clocks. This can be done with either a Sysplex timer (Model 9037), or with STP;

* [[Global Resource Serialization]] (GRS), which allows multiple systems to access the same resources concurrently, serializing where necessary to ensure exclusive access;

* Cross System Coupling Facility ([[IBM XCF|XCF]]), which allows systems to communicate [[peer-to-peer]];