Automated migration to a new copy services target storage system to manage multiple relationships simultaneously while maintaining disaster recovery consistency
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United States of America Patent
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May 12, 2015
Grant Date -
Feb 19, 2015
app pub date -
Nov 4, 2014
filing date -
Aug 22, 2012
priority date (Note) -
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Abstract
A method according to one embodiment includes receiving instruction to change from an original target storage subsystem in a disaster recovery configuration-to a new target storage subsystem. Second copy services relationships are created between one or more new target volumes on the new target storage subsystem and one or more source volumes on a source storage subsystem using multi-target functionality. Existing first copy services relationships between the source storage subsystem and the original target storage subsystem are terminated after all of the second copy services relationships are full duplex.
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