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公开(公告)号：US09535800B1
公开(公告)日：2017-01-03
申请号：US14502518
申请日：2014-09-30
Applicant: EMC Corporation
Inventor： Assaf Natanzon , Kadir Ozdemir , Anestis Panidis
CPC classification number: G06F11/1469 , G06F3/0619 , G06F3/0631 , G06F3/0647 , G06F3/0683 , G06F11/00
Abstract: A method, article of manufacture, and apparatus for restoring LUs from a backup is discussed. In an embodiment, a primary storage system may continue to process IOs while the LU is being restored.
Abstract translation: 讨论了从备份恢复逻辑单元的方法，制造品和设备。 在一个实施例中，主存储系统可以在LU被恢复的同时继续处理IO。
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公开(公告)号：US09389800B1
公开(公告)日：2016-07-12
申请号：US14227208
申请日：2014-03-27
Applicant: EMC Corporation
Inventor： Assaf Natanzon , Saar Cohen , Anestis Panidis
CPC classification number: G06F3/065 , G06F3/0617 , G06F3/0641 , G06F3/0665 , G06F3/0689
Abstract: The system, process, and methods herein describe a mechanism for extracting virtual machine disk backups from LUN backups. The virtual machine disk backups may be stored in a deduplicated storage system. Thick virtual machine disks may be converted to thin virtual machine disks.
Abstract translation: 本文的系统，过程和方法描述了从LUN备份中提取虚拟机磁盘备份的机制。 虚拟机磁盘备份可能存储在重复数据删除的存储系统中。 较厚的虚拟机磁盘可能会转换为精简虚拟机磁盘。
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公开(公告)号：US10324798B1
公开(公告)日：2019-06-18
申请号：US14496783
申请日：2014-09-25
Applicant: EMC Corporation
Inventor： Assaf Natanzon , Anestis Panidis
Abstract: In one aspect, a method includes reading metadata for a logical unit (LU) to restore, restoring active read areas to the LU identified in the metadata and exposing the LU to a host after restoring the active read areas of the LU. In another aspect, an apparatus includes electronic hardware circuitry configured to reading metadata for a LU to restore, restoring active read areas to the LU identified in the metadata and exposing the LU to a host after restoring the active read areas of the LU. In a further aspect, an article includes a non-transitory computer-readable medium that stores computer-executable instructions. The instructions cause a machine to read metadata for a LU to restore, restore active read areas to the LU identified in the metadata and expose the LU to a host after restoring the active read areas of the LU.
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公开(公告)号：US10101945B1
公开(公告)日：2018-10-16
申请号：US13904353
申请日：2013-05-29
Applicant: EMC Corporation
Inventor： Anestis Panidis , Arieh Don , Subin George
Abstract: A computer-implemented method is disclosed to enhance command burst tolerance in a SCSI system. The method starts with receiving an initiator timeout value at a SCSI target, where the SCSI target is communicatively coupled with a SCSI initiator through a set of communication links, and where the initiator timeout value is associated with a timeout duration after which the SCSI initiator times out if receiving no response from the SCSI target after sending a SCSI command. After receiving the initiator timeout value, the SCSI target determines how long a SCSI command has been pending to be processed at the SCSI target. The SCSI target then returns a response for the SCSI command to the SCSI initiator within the timeout duration associated with the initiator timeout value even if the SCSI command is pending to be processed at the SCSI target.
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公开(公告)号：US09804934B1
公开(公告)日：2017-10-31
申请号：US14585777
申请日：2014-12-30
Applicant: EMC Corporation
Inventor： Assaf Natanzon , Saar Cohen , Anestis Panidis
CPC classification number: G06F11/1469 , G06F11/1453 , G06F11/1464 , G06F2201/84
Abstract: A system, computer program product, and computer-executable method for providing access to data on a primary data storage including a production Logical Unit (LU) in communication with a backup storage and a Data Protection Appliance (DPA), the system, computer program product, and computer-executable method comprising creating a snapshot of the production LU on the primary data storage, synthesizing a recovery snapshot at a Point in Time (PiT), wherein the recovery snapshot is the production LU at the PiT, and performing a restore operation on the snapshot of the production LU at the primary data storage using the recovery snapshot, wherein the snapshot of the production LU is restored to the production LU at the PiT, thereby creating a second recovery snapshot.
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Patent Agency Ranking
公开(公告)号：US09665305B1
公开(公告)日：2017-05-30
申请号：US14751652
申请日：2015-06-26
Applicant: EMC Corporation
Inventor： Assaf Natanzon , Kirill Shoikhet , Anestis Panidis , Ido Halevi
IPC: G06F3/06
CPC classification number: G06F3/0647 , G06F3/0608 , G06F3/0641 , G06F3/0685
Abstract: In one aspect, a method includes moving metadata from a memory of a first deduplication device to a disk of the first deduplication device, moving the data related to the metadata or portions of the data to a second deduplication device, deleting the data from the first deduplication device and adding a pointer to the metadata at the first deduplication device indicating where the data is in the second deduplication device.
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公开(公告)号：US09875162B1
公开(公告)日：2018-01-23
申请号：US14108072
申请日：2013-12-16
Applicant: EMC Corporation
Inventor： Anestis Panidis , Assaf Natanzon , Saar Cohen
CPC classification number: G06F11/1469 , G06F17/30008 , G06F17/30088 , G06F17/30156
Abstract: A method and system for recovering a corrupt storage system is discussed. A request to recover the system may be received. A backup snapshot for the last point-in-time the system was stable may be synthesized. A difference may be identified between that backup snapshot and the current system. The difference may be transmitted to the corrupt system to recover the data.
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公开(公告)号：US09672117B1
公开(公告)日：2017-06-06
申请号：US14584240
申请日：2014-12-29
Applicant: EMC Corporation
Inventor： Assaf Natanzon , Saar Cohen , Anestis Panidis
CPC classification number: G06F11/1464 , G06F11/1451 , G06F11/1453 , G06F11/2069 , G06F11/2074 , G06F11/2076 , G06F2201/84 , G06F2201/855
Abstract: Example embodiments of the present invention relate to a method, a system, and a computer program product for performing data replication and backup. The method comprises performing a first data replication of a production site storage to a replication site storage and performing a first backup of the production site storage to a production site backup storage. A second data replication then may be performed from the production site backup storage to a backup site backup storage.
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公开(公告)号：US09588847B1
公开(公告)日：2017-03-07
申请号：US14225089
申请日：2014-03-25
Applicant: EMC Corporation
Inventor： Assaf Natanzon , Saar Cohen , Anestis Panidis
CPC classification number: G06F11/1458 , G06F17/30088 , G06F17/30575
Abstract: A method and system for recovering a corrupt virtual disk is discussed. A request to recover the disk may be received. A recovery snapshot for the last point-in-time the system was stable may be synthesized. A difference may be identified between that recovery snapshot and the corrupt disk. A virtual machine may communicate with both the difference and the corrupt disk, and the difference may be merged with the corrupt disk.
Abstract translation: 讨论了一种用于恢复损坏的虚拟磁盘的方法和系统。 可能会收到恢复磁盘的请求。 可以合成系统稳定的最后一个时间点的恢复快照。 在恢复快照和损坏的磁盘之间可能会出现差异。 虚拟机可以与差异和损坏的磁盘通信，并且差异可以与损坏的磁盘合并。
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公开(公告)号：US09846698B1
公开(公告)日：2017-12-19
申请号：US14108053
申请日：2013-12-16
Applicant: EMC Corporation
Inventor： Anestis Panidis , Assaf Natanzon , Saar Cohen
IPC: G06F17/30
CPC classification number: G06F17/30088 , G06F11/14 , G06F17/30085
Abstract: A method and system for maintaining granular backups is discussed. Backup windows may be defined, and policies may be associated with those windows. Journal and backup files may be retained or deleted in accordance with those policies.
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