Migrating high activity volumes in a mirror copy relationship to lower activity volume groups
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United States of America Patent
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Nov 15, 2016
Grant Date -
Jul 2, 2015
app pub date -
Jan 2, 2014
filing date -
Jan 2, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
Provided are a computer program product, system, and method for migrating high activity volumes in a mirror copy relationship to lower activity volume groups. A determination is made of usage rates of multiple volume groups, wherein each volume group is comprised of source volumes at a primary site whose data is copied to volumes at a secondary site. A first selected volume group and a second selected volume group are selected based on the determined usage rates of the volume groups. A first volume in the first selected volume group is migrated to a second volume in the second selected volume group. Updates to the first volume, received while migrating the first volume to the second volume, are copied to a mirror first volume mirroring the first volume at the secondary site.
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