Electrical computers and digital processing systems: memory – Storage accessing and control – Hierarchical memories
Patent
1997-10-10
1999-06-15
Shin, Christopher B.
Electrical computers and digital processing systems: memory
Storage accessing and control
Hierarchical memories
39518314, 395568, 395406, 711114, G06F 1130
Patent
active
059130733
ABSTRACT:
A benchmark testing system for evaluating the performance of large capacity disk storage systems with multiple disk controllers operating under a main operating system. The benchmark test utilizes a number of modules that establishes a pseudo-operating system having a dispatcher queue, I/O request objects and a request generator. The request generator selects an available I/O request object from a pool and transfers it to the dispatch queue. An inactive driver responds by making the I/O request object available as a task for the main operating system. When the transfer is complete, a driver effects the removal of the I/O request object from the dispatch queue. The maximum number of drivers, and hence the maximum number of tasks that can be provided to the MVS system, is established the number of central processors in the system.
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EMC Corporation
Shin Christopher B.
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