Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kartheek Reddy Daida0
Date of Patent
July 20, 2021
0Patent Application Number
165620480
Date Filed
September 5, 2019
0Patent Citations
Patent Primary Examiner
Patent abstract
The method, apparatus, and system disclosed herein relate to a faster and more predictable way to achieve synchronous phase from non-synchronous phase for synchronous data replication between a source volume and a destination volume. Consistency data and replication data are sent in parallel during a pre-synchronous phase to reestablish a synchronous phase of operation. Sequence identifiers and consistency sequence identifiers are used to determine whether to write consistency data to the destination volume, or to leave consistency data unwritten for blocks already updated with replication data during the process of reestablishing synchronization.
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