1
Assaf Natanzon, Steven R Bromling, Saar Cohen, Jehuda Shemer, Alex Solan: Journal based replication with a virtual service layer. EMC Corporation, Krishnendu Gupta, Joseph D Angelo, April 23, 2013: US08429362 (66 worldwide citation)

A system, program product, and computer implemented method for data replication, comprising enabling a virtual service layer to consume a storage medium of a site and map the storage medium of the site as one or more virtual storage volumes, enabling the virtual service layer to present the one or m ...


2
Assaf Natanzon, Saar Cohen: Continuous data replication. EMC Corporation, Krishnendu Gupta, Joseph D Angelo, December 3, 2013: US08600945 (64 worldwide citation)

In a first embodiment, computer implemented method and computer program product for executing an action selected from the group consisting of removing a LUN from a consistency group on a production site and adding a LUN to a consistency group on a production site; wherein the action is performed wit ...


3
Assaf Natanzon, Arich Don, Saar Cohen, Slavik Neymer, David Meiri, Brian Riordan, Anestis Panidis, Xiali He: Splitter used in a continuous data protection environment. EMC Corporation, Daly Crowley Mofford & Durkee, December 11, 2012: US08332687 (62 worldwide citation)

In one aspect, a method includes providing a splitter at a first storage array, receiving data from a host, storing the data on the first storage array, using a data protection appliance (DPA) to expose a device, continuously copying data stored on the first storage array to the device using the spl ...


4
Assaf Natanzon, Saar Cohen, Sharon Vitek, Ariel Kulik: Mirroring metadata in a continuous data protection environment. EMC International Company, Daly Crowley Mofford & Durkee, September 18, 2012: US08271447 (57 worldwide citation)

In one aspect, a method includes providing data protection to data in a first volume at a first data protection appliance by storing a copy of the data in a second volume using a second data protection appliance, tracking changes between data locations in the first volume and the second volume using ...


5
Shlomo Ahal, Assaf Natanzon, Yuval Aharoni, Saar Cohen, Tomer Ben or: Methods and apparatus for managing data flow in a continuous data replication system having journaling. EMC Israel Development Center, Daly Crowley Mofford & Durkee, December 1, 2009: US07627687 (57 worldwide citation)

Method and apparatus to provide a data replication system to receive a data transfer request from a first component at a transmitter module in a continuous data replication system having a production site and a backup site, the production site having a transmitter module and a transmitter credit mec ...


6
Assaf Natanzon, Saar Cohen, Steven R Bromling: Active replication switch. EMC Corporation, Krishnendu Gupta, Joseph D Angelo, September 30, 2014: US08850144 (54 worldwide citation)

A method, system, and program product for transparently shifting between using a virtual service layer (VSL) performing active-active replication which presents the volume of the first site and the volume of the second site as a single volume and a second replication technique for replicating the vo ...


7
Assaf Natanzon, Saar Cohen, Ido Singer: Replication of xcopy command. EMC Corporation, Krishnendu Gupta, Joseph D Angelo, May 13, 2014: US08725692 (53 worldwide citation)

A method, system and program product for implementing the xcopy command in a replication environment, the replication environment having a production site, a splitter, and a replication site, wherein the replication site has a journal, comprising, determining if the source and target LUNs of the xco ...


8
Assaf Natanzon, Paul Lemahieu, Saar Cohen: Creating consistent snapshots across several storage arrays or file systems. EMC Corporation, Krishnendu Gupta, Joseph D Angelo, April 22, 2014: US08706700 (51 worldwide citation)

A method, system, and program product for implementing consistent snapshots in a replication environment, the replication environment having a production site having a splitter, and a storage media the method comprising, selecting a set of media from the storage medium, creating a consistency group ...


9
Assaf Natanzon, Saar Cohen, Steven R Bromling: Continuous data replication. EMC Corporation, Krishnendu Gupta, Joseph D Angelo, May 12, 2015: US09032160 (51 worldwide citation)

In a first embodiment, a method and computer program product for use in a storage system comprising quiescing IO commands the sites of an ACTIVE/ACTIVE storage system, the active/active storage system having at least two storage sites communicatively coupled via a virtualization layer, creating a ch ...


10
Assaf Natanzon, Saar Cohen, Efri Nattel Shay: Journal-based replication without journal loss. EMC International Company, Daly Crowley Mofford & Durkee, November 25, 2014: US08898409 (51 worldwide citation)

In one aspect, a method includes performing a failover in a journal-based replication system and performing a failback in the journal-based replication system without loss to journaling. In another aspect, an article includes a non-transitory machine-readable medium that stores executable instructio ...