parallel sysplex การใช้

Global Mirror can be combined with a wide area network clustering product like Geographically Dispersed Parallel Sysplex ( GDPS ), HACMP / XD, or IBM TotalStorage Continuous Availability for Windows to provide for automated failover between sites.
The first commercial loosely coupled clustering product was " Tandem Himalayan " ( a circa 1994 high-availability product ) and the " IBM S / 390 Parallel Sysplex " ( also circa 1994, primarily for business use ).
Two other noteworthy early commercial clusters were the " Tandem Himalaya " ( a circa 1994 high-availability product ) and the " IBM S / 390 Parallel Sysplex " ( also circa 1994, primarily for business use ).
Mohan has worked closely with many IBM product groups worldwide and his research results have been implemented in numerous IBM and non-IBM prototypes, and products like IBM DB2, MQSeries, IBM WebSphere, Cloudscape, IBM Notes, Microsoft SQL Server and IBM System z Parallel Sysplex.
As a result of the introduction by IBM of their Geographically Dispersed Parallel Sysplex ( GDPS ) system, which allowed for an organization to manage end-to-end application and data availability across multiple geographically separate sites, an additional seventh tier was added to represent the industry's highest possible level of service availability.