Input/output operation management in a device mirror relationship
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United States of America Patent
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Sep 25, 2018
Grant Date -
Feb 12, 2015
app pub date -
Aug 6, 2013
filing date -
Aug 6, 2013
priority date (Note) -
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Abstract
In a network computing environment, in which data stored at a primary storage system, is mirrored from the primary storage system to a secondary storage system, a selection may be made to direct an input/output operation such as a read operation, for example, to the secondary storage system instead of the primary storage system in order to improve operations. For example, a read operation may be directed to the secondary storage to improve the read operation response time. In other aspects, a read or other input/output operation may be directed to the secondary storage to improve utilization of the resources of the secondary storage system. Other aspects are described.
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