Method and system for reporting disk utilizations for disk subsystems
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United States of America Patent
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-
Jul 9, 2002
Grant Date -
N/A
app pub date -
Aug 31, 1999
filing date -
Aug 31, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides a method and system for reporting disk utilization in a computer system. The method includes collecting at least one parameter pertaining to a disk array in a disk subsystem by a processor in the disk subsystem; transferring the at least one parameter from the processor to an open system host; and calculating disk utilization based upon the at least one parameter. The method and system is able to provide disk utilization which is understandable to the open system host. In a preferred embodiment, the disk utilization is provided by collecting the relevant parameters from the microcode in the processor of the disk subsystem, and then calculating the average disk utilization per disk based upon the parameters. Thus, an open system host is able to obtain a useful characteristic for determining the performance of the disk subsystem.
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