Konrad Raynes Davda & Victor LLP
Assigning device adaptors to use to copy source extents to target extents in a copy relationship
Provided are a computer program product, system, and method for assigning device adaptors to use to copy source extents in source ranks to target extents in target ranks in a copy relation. A determination is made of an order of the target ranks in the copy relation. Target ranks in the copy relation are selected according to the determined order. For each selected target rank, indication is made in a device adaptor assignment data structure of a source device adaptor and target device adaptor of the device adaptors to use to copy the source rank to the selected target rank indicated in the copy relation, wherein indication is made for the selected target ranks according to the determined order. The source ranks are copied to the selected target ranks using the source and target device adaptors indicated in the device adaptor assignment data structure.
INTERNATIONAL BUSINESS MACHINES CORPORATION
Carol S. Theresa M. Lokesh M. Michael T.
Mellgren Brown Gupta Benhase