公开(公告)号：US11868641B2

公开(公告)日：2024-01-09

申请号：US18068926

申请日：2022-12-20

Applicant: EMC IP Holding Company LLC

Inventor： Itay Azaria ,  Kfir Wolfson ,  Jehuda Shemer ,  Saar Cohen

IPC: G06F3/06 ,  G06F1/14 ,  G06F11/14

CPC classification number: G06F3/065 ,  G06F3/0611 ,  G06F3/0619 ,  G06F3/0679 ,  G06F11/1471 ,  G06F2201/82

Abstract: One example method includes intercepting an IO issued by an application, writing the IO and IO metadata to a splitter journal in NVM, forwarding the IO to storage, and asynchronous with operations occurring along an IO path between the application and storage, evacuating the splitter journal by sending the IO and IO metadata from the splitter journal to a replication site. In this example, sending the IO and IO metadata from the journal to the replication site does not increase a latency associated with the operations on the IO path.

公开(公告)号：US11671465B2

公开(公告)日：2023-06-06

申请号：US16910482

申请日：2020-06-24

Applicant: EMC IP Holding Company LLC

Inventor： Erez Sharvit ,  Jehuda Shemer ,  Valerie Lotosh ,  Saar Cohen

IPC: H04L29/06 ,  H04L29/08 ,  G06F21/62 ,  H04L9/40 ,  H04L67/10 ,  G06F9/455

CPC classification number: H04L63/30 ,  G06F9/45558 ,  G06F21/6218 ,  H04L67/10 ,  G06F2009/45579 ,  G06F2009/45587 ,  G06F2009/45595

Abstract: One example method includes intercepting an IO that is directed to a volume, writing the IO to a grid-CG that is one of a plurality of grid-CGs that collectively form a distributed CG, adding the IO to a stream journal associated with the grid-CG, receiving a bookmark request, in response to the bookmark request, inserting a bookmark in the stream journal, incrementing a splitter counter and broadcasting a splitter counter value to the grid-CGs in the distributed CG, and inserting the bookmark in respective stream journals of the grid-CGs in the distributed CG.

公开(公告)号：US20230122180A1

公开(公告)日：2023-04-20

申请号：US18068919

申请日：2022-12-20

Applicant: EMC IP Holding Company LLC

Inventor： Itay Azaria ,  Kfir Wolfson ,  Jehuda Shemer ,  Saar Cohen

IPC: G06F3/06 ,  G06F11/14

Abstract: One example method includes intercepting an IO issued by an application, writing the IO and IO metadata to a splitter journal in NVM, forwarding the IO to storage, and asynchronous with operations occurring along an IO path between the application and storage, evacuating the splitter journal by sending the IO and IO metadata from the splitter journal to a replication site. In this example, sending the IO and IO metadata from the journal to the replication site does not increase a latency associated with the operations on the IO path

公开(公告)号：US20210406052A1

公开(公告)日：2021-12-30

申请号：US16910728

申请日：2020-06-24

Applicant: EMC IP Holding Company LLC

Inventor： Boris Shpilyuck ,  Saar Cohen ,  Yossi Matatov

IPC: G06F9/455 ,  G06F11/14 ,  G06F16/16 ,  G06F16/41

Abstract: One example method includes processing a file of a VM to create a decreased quality file that is a version of the file, storing the decreased quality file at a recovery site along with metadata indicating a file type and path name for the decreased quality file, in response to a disaster recovery request, creating a partial user VM at the recovery site, and the partial user VM includes the decreased quality file, and with the partial user VM, serving the decreased quality file to a user in response to a request from the user.

公开(公告)号：US20210397521A1

公开(公告)日：2021-12-23

申请号：US16909613

申请日：2020-06-23

Applicant: EMC IP Holding Company LLC

Inventor： Jehuda Shemer ,  Valerie Lotosh ,  Saar Cohen ,  Erez Sharvit

IPC: G06F11/14 ,  G06F16/18 ,  G06F16/188 ,  G06F16/178

Abstract: Any point in time backups for distributed consistency is disclosed. IOs from a consistency group are received by multiple aggregators and stored in corresponding journals. In response to a bookmark, the multiple journals are synthesized to create a do stream or to add the multiple journals to the do stream. A full synchronization operation can be performed simultaneously with replication operations.

公开(公告)号：US11175997B2

公开(公告)日：2021-11-16

申请号：US16785230

申请日：2020-02-07

Applicant: EMC IP Holding Company LLC

Inventor： Jehuda Shemer ,  Valerie Lotosh ,  Saar Cohen ,  Erez Sharvit

IPC: G06F12/16 ,  G06F11/14

Abstract: Generating any point in time backups without native snapshot generation. Production data is split such that a journal stream is sent to a data protection system, which may be local or remote. The journal stream includes a data stream and a metadata stream. Backups are synthesized at the data protection system by rolling at least a portion of the journal. A backup for any point in time represented in the journal can be synthesized.

公开(公告)号：US20210218807A1

公开(公告)日：2021-07-15

申请号：US16742258

申请日：2020-01-14

Applicant: EMC IP Holding Company LLC

Inventor： Yossef Saad ,  Saar Cohen

IPC: H04L29/08 ,  H04L29/06 ,  G06F3/06 ,  G06F21/60 ,  G06F16/27 ,  H04W88/16 ,  G06F9/455

Abstract: Data protection operations including replication operations, transport operations, and/or access operations. A data protection engine may include a function as a service that allows data to be replicated and transported intracloud and intercloud. The data protection engine also allows point-in-time access to data stored in the cloud and/or replicated in the cloud.

公开(公告)号：US20210182150A1

公开(公告)日：2021-06-17

申请号：US16713722

申请日：2019-12-13

Applicant: EMC IP Holding Company LLC

Inventor： Nadav Azaria ,  Saar Cohen ,  Jehuda Shemer

IPC: G06F11/14 ,  G06F16/28 ,  G06F16/27

Abstract: A live image of a virtual machine is disclosed. When generating a live image, an image of a virtual machine is generated. A journal is also generated that starts before a start time of the image and ends after the start time of the image. A live image is then generated by synchronizing the start time of the image with the journal. This includes evaluating or analyzing the journal relative to the backup to determine or synchronize the start time relative to the entries in the journal.

公开(公告)号：US20210117440A1

公开(公告)日：2021-04-22

申请号：US16655376

申请日：2019-10-17

Applicant: EMC IP Holding Company LLC

Inventor： Jehuda Shemer ,  Arieh Don ,  Saar Cohen

IPC: G06F16/27 ,  G06F11/14

Abstract: Systems and methods for replicating data from storage. Snapshots are taken on a consistency group of volumes and are stored in snapshot volumes. Changes to the data stored in the volumes are identified from the snapshots and the changes are written to a journal. The journal allows the changes to be replicated to a virtual replication system and a physical replication system. The journal can be replicated to different systems, including physical and virtual systems, by exposing the same journal in different manners.

公开(公告)号：US20210117095A1

公开(公告)日：2021-04-22

申请号：US16657518

申请日：2019-10-18

Applicant: EMC IP Holding Company LLC

Inventor： Jehuda Shemer ,  Arieh Don ,  Meir Pinhasov ,  Saar Cohen

IPC: G06F3/06 ,  G06F9/455

Abstract: Systems and methods for replicating data from storage. Snapshots are taken of the volumes in physical storage. The snapshot volumes are exposed to a virtual replication system. Using the snapshots, differential or changed data can be identified. The identified data is then replicated by the virtual replication system to a remove virtual replication system.