Method, system, and program for performing a data transfer operation with respect to source and target storage devices in a network
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United States of America Patent
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Apr 15, 2008
Grant Date -
Nov 25, 2004
app pub date -
May 22, 2003
filing date -
May 22, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
Provided are a method, system, and program for performing a data transfer operation with respect to a source and target storage devices in a network, wherein storage devices in the network are assigned temporary network addresses. Device information is maintained and includes for each identified device a fixed address that does not change and a temporary network address. A data transfer request is received to transfer data between a source and target devices. The network is queried to determine changes to the temporary network addresses of the storage devices in response to receiving the data transfer request and the device information is updated to include any changed determined temporary network addresses for the storage devices. A data transfer command is constructed to transfer data between the source and target storage devices, wherein the data transfer command includes the temporary network addresses of the source and target devices in the device information.
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