Patent ID: 8706700
Filing Date: 2014-04-22
Classification: G06F

Abstract:
1. A method for implementing consistent snapshots in a replication environment, the replication environment having a production site having a splitter, and storage media the method comprising: selecting a set of media from the storage media; creating a consistency group of the selected set of storage media; creating a journal at the production site for recording I/O written to each of the set of media of the consistency group; splitting I/O written to the consistency group; recording the split I/O for the consistency group in the journal; taking a snapshot of each member of the set of the media of the consistency group; wherein IO is enabled to actively be written to each member of the set of the media of the consistency group while the snapshot is taken; and stopping splitting IO to the journal; and applying a relevant portion of the journal to each snapshot of the each member of the set of the media of the consistency group to bring each snapshot to a same point in time.