Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
William J. Rooney1
David Randall Blea1
Gregory E. McBride1
John Jay Wolfgang1
Amy N. Blea1
Date of Patent
June 18, 2019
1Patent Application Number
154411191
Date Filed
February 23, 2017
1Patent Citations
Patent Primary Examiner
Patent abstract
In one embodiment, I/O operations may be swapped from an original storage unit to a replacement storage unit in a manner which can reduce or eliminate delays caused by copying of data from the original storage unit to the replacement storage unit. A point-in-time snap copy relationship between the original storage unit and the replacement storage unit of storage locations is established and I/O operations are swapped from the original storage unit to the replacement storage unit. The I/O operations are resumed, accessing the replacement storage unit instead of the original storage unit in the input/output operations issued by the at least one host. Other aspects are described.
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