Method and apparatus for assigning data sets to virtual volumes in a mass store
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United States of America Patent
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Jan 12, 1982
Issued Date -
N/A
app pub date -
Feb 11, 1980
filing date -
Feb 13, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a mass storage system having a multiplicity of storage volumes containing addressable data, the assignment of newly received data sets to the best storage volume is accomplished by determining the best match of the data set to the available volumes. Such selection enables maximum storage use of each volume. The best volume is one that provides memory space efficiency for the job at hand, and considers the volume life expectancy, the numbers of users, the shareability of the volume, and the status of the volume. First, all eligible volumes are listed. Then these volumes are sorted according to each volume's match and risk factors to the data set to be stored. The best fitting volumes are selected first for the actual data transfer and storage operation.
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