Modeling workload information for a primary storage and a secondary storage
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United States of America Patent
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Dec 20, 2016
Grant Date -
Jun 23, 2016
app pub date -
Feb 26, 2016
filing date -
Mar 27, 2014
priority date (Note) -
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Abstract
Provided are a computer program product, system, and method for modeling workload information for a primary storage and a secondary storage. A determination is made of: a first type and second type of Input/Output (I/O) operations with respect to extents configured in the primary storage; a cumulative I/O workload for the primary storage based on a first type and a second type of I/O operations at different cumulative storage amounts of the primary storage indicating a concentration of the I/O workload on the primary storage; and cumulative I/O workload for the secondary storage based on the first type and the second type of I/O operations at different storage amounts indicating a concentration of the I/O workload of the first type of I/O operations on the secondary storage. A performance gap is determined based on the cumulative I/O workloads for the primary and secondary storages at one of the storage amounts.
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