Patent ID: 9547454
Date: 2017-01-17
CPC Classifications: G06F

Claim:
1. A computer program product for assigning data sets to storage groups, the computer program product comprising a non-transitory computer readable storage medium having computer readable program code embodied therein that executes to perform operations, the operations comprising: storing first data sets in a first storage group; storing second data sets in a second storage group; processing I/O activity records for jobs each indicating I/O activity for one of the jobs toward the first data sets to determine the I/O activity for the jobs toward the first data sets; processing job priority records indicating a priority assigned to each of the jobs; determining values, at least one value for each of the first data sets, by multiplying, for each of the first data sets, the I/O activity at a first data set of the data sets, indicated in the processed I/O activity records for the first data set, and the priority of the jobs assigned to handle the I/O activity to the first data set, indicated in the processed job priority records; and selecting at least one of the first data sets for which at least one of the values were determined to migrate to the second storage group based on the determined at least one of the values.