公开(公告)号：EP3335382A1

公开(公告)日：2018-06-20

申请号：EP16840812.8

申请日：2016-08-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： VORA, Keval ,  TIAN, Chen

IPC: H04L12/24

CPC classification number: G06F11/323 ,  G06F11/0757 ,  G06F11/1407 ,  G06F11/1438 ,  G06F11/1451 ,  G06F11/1471 ,  G06F11/2025 ,  G06F11/2035 ,  G06F11/2097 ,  G06F2201/84 ,  G06F2201/855

Abstract: A first device comprises: a memory configured to store a first sub-graph that is part of a distributed graph associated with a distributed graph processing network; a processor coupled to the memory and configured to: process the first sub-graph; and save, independently of a second device in the distributed graph processing network, a first snapshot of a first execution state of the first device at a first iteration time; and a transmitter coupled to the processor and configured to transmit the first snapshot to the second device or to a third device.

公开(公告)号：EP3019960A2

公开(公告)日：2016-05-18

申请号：EP14823874.4

申请日：2014-07-08

Applicant: Exablox Corporation

Inventor： HUNT, Tad ,  HOWE, John

IPC: G06F11/00

CPC classification number: G06F17/30174 ,  G06F11/1443 ,  G06F11/2023 ,  G06F11/2064 ,  G06F11/2079 ,  G06F11/2094 ,  G06F11/2097 ,  G06F17/30575 ,  G06F2201/855 ,  H04L67/1095

Abstract: Computer-implemented methods and systems for replication of data between mirrored data sites are provided. An exemplary method may comprise receiving a data object at a mirrored data site, the mirrored data site including one or more data nodes. The data objects are replicated to the one or more data nodes internally. Then, a data object reference associated with the data object is generated. The reference referring to the data object is queued for transmission to all other mirrored data sites. The data object reference associated with the data object is transmitted to the other mirrored data sites. When the data object is received at each mirrored data site, it is replicated to one or more data nodes within the site. After transmitting the data object, the data object reference is discarded.

公开(公告)号：EP2715553A2

公开(公告)日：2014-04-09

申请号：EP12789199.2

申请日：2012-05-18

Applicant: Microsoft Corporation

Inventor： CALDER, Bradley, Gene ,  NILAKANTAN, Niranjan ,  SRIVASTAV, Shashwat ,  WU, Jiesheng ,  ABBASI, Abdul, Rafay ,  MAINALI, Shane ,  UDDARAJU, Padmanabha, Chakravarthy

IPC: G06F15/16 ,  G06F12/16

CPC classification number: G06F17/30578 ,  G06F11/2074 ,  G06F11/2097 ,  G06F17/30241 ,  G06F17/30584 ,  G06F17/30589 ,  G06F2201/855

Abstract: Embodiments of the present invention relate to asynchronously replicating data in a distributed computing environment. To achieve asynchronous replication, data received at a primary data store may be annotated with information, such as an identifier of the data. The annotated data may then be communicated to a secondary data store, which may then write the data and annotated information to one or more logs for eventual replay and committal at the secondary data store. The primary data store may communicate an acknowledgment of success in committing the data at the primary data store as well as of success in writing the data to the secondary data store. Additional embodiments may include committing the data at the secondary data store in response to receiving an instruction that authorizes committal of data through a identifier.

公开(公告)号：EP2600249A2

公开(公告)日：2013-06-05

申请号：EP12185854.2

申请日：2012-09-25

Applicant: FUJITSU LIMITED

Inventor： Min, Zhongzhong

IPC: G06F11/14

CPC classification number: G06F11/1458 ,  G06F11/1461 ,  G06F2201/84 ,  G06F2201/855

Abstract: A storage device (10) including a copy processor (12) that carries out a copying process of storing the copy of the data stored in the copy-source volume into the copy-destination volume; a copying manager (13) that prepares copying related to the copying process and sets the copying process to a stand-by state; an activation manager (14) that sets activation target data representing a target to be activated for the copying process in response to an activation instruction from a superior device (2); and a copy controller (15) that cancels the stand-by state of the copying process, being set the activation target data for, and causes the copy processor (12) to carry out the copying process. This configuration makes it possible to back up data of multiple copy sessions, ensuring integrity in timing of data to be backed up without lowering the capability of an I/O process.

Abstract translation: 一种存储装置（10），包括复制处理器（12），其执行将存储在所述复制源卷中的数据的副本存储到所述复制目的地卷中的复制处理; 复制管理器（13），其准备与复制过程相关的复制，并将复制处理设置为待机状态; 激活管理器（14），响应于来自上级设备（2）的激活指令，设置表示要激活的复制过程的目标的激活目标数据; 以及复制控制器（15），其取消复制处理的待机状态，设置激活目标数据，并使复制处理器（12）执行复印处理。 该配置使得可以备份多个复制会话的数据，确保要备份的数据的时序的完整性，而不降低I / O进程的能力。

公开(公告)号：EP2120146A3

公开(公告)日：2009-12-09

申请号：EP09010604.8

申请日：2004-04-16

Applicant: Hitachi, Ltd.

Inventor： Kasako, Naohisa

IPC: G06F11/20

CPC classification number: G06F11/2071 ,  G06F11/2058 ,  G06F2201/855 ,  Y10S707/99952

Abstract: It is an object of the present invention to conduct data transfer or data copying between a plurality of storage systems, without affecting the host computer of the storage systems. Two or more auxiliary storage systems 100B, 100C are connected to a primary storage system 100A connected to a host device 180. The auxiliary storage systems 100B, 100C read journals of data update from the primary storage system 100A at respective independent timings, save the journals in prescribed logical volumes JNL 2, JNL 3, produce copying of the data present in the primary storage system 100A based on the journals present in the logical volumes JNL 2, JNL 3 at the independent timings, and save the copies in auxiliary logical volumes COPY 1, COPY 3. The primary storage system 100A holds the journals till both auxiliary storage systems 100B, 100C read the journals and restore. The timing of journal read can be controlled according to the journal quantity, processing load, and the like.

Abstract translation: 本发明的目的是在多个存储系统之间进行数据传送或数据复制，而不影响存储系统的主计算机。 两个或更多个辅助存储系统100B，100C连接到连接到主机设备180的主存储系统100A。辅助存储系统100B，100C以各自的独立定时从主存储系统100A读取数据更新的期刊，保存期刊 在规定的逻辑卷JNL 2，JNL 3中，基于在独立定时存在于逻辑卷JNL 2，JNL 3中的日志，产生主存储系统100A中存在的数据的复制，并将副本保存在辅助逻辑卷COPY 1，COPY 3.主存储系统100A保持期刊直到两个辅助存储系统100B，100C读取期刊并恢复。 可以根据日志数量，处理负荷等来控制日志读取的时间。

公开(公告)号：EP2120147A2

公开(公告)日：2009-11-18

申请号：EP09010606.3

申请日：2004-04-16

Applicant: Hitachi, Ltd.

Inventor： Hirakawa, Yusuke ,  Arakawa, Hiroshi ,  Takeda, Takahiko ,  Sato, Takao

IPC: G06F11/20

CPC classification number: G06F11/2076 ,  G06F11/2058 ,  G06F11/2064 ,  G06F11/2069 ,  G06F11/2071 ,  G06F11/2074 ,  G06F11/2082 ,  G06F2201/855 ,  H04L67/1095 ,  Y10S707/99953

Abstract: A first storage system stores information relating to the updating of data stored in that system as a journal. More specifically, the journal is composed of a copy of data that was used for updating and update information such as a write command used during updating. Furthermore, the second storage system acquires the journal via a communication line between the first storage system and the second storage system. The second storage system holds a duplicate of the data held by the first storage system and updates the data corresponding to the data of the first storage system in the data update order of the first storage system by using the journal.

Abstract translation: 第一存储系统存储与作为日志存储在该系统中的数据更新有关的信息。 更具体地说，日志由用于更新和更新信息的数据副本组成，例如更新期间使用的写入命令。 此外，第二存储系统经由第一存储系统和第二存储系统之间的通信线路来获取日志。 第二存储系统保存第一存储系统保存的数据的副本，并通过日志以第一存储系统的数据更新顺序更新与第一存储系统的数据对应的数据。

公开(公告)号：EP2120146A2

公开(公告)日：2009-11-18

申请号：EP09010604.8

申请日：2004-04-16

Applicant: Hitachi, Ltd.

Inventor： Kasako, Naohisa

IPC: G06F11/20

CPC classification number: G06F11/2071 ,  G06F11/2058 ,  G06F2201/855 ,  Y10S707/99952

Abstract: It is an object of the present invention to conduct data transfer or data copying between a plurality of storage systems, without affecting the host computer of the storage systems. Two or more auxiliary storage systems 100B, 100C are connected to a primary storage system 100A connected to a host device 180. The auxiliary storage systems 100B, 100C read journals of data update from the primary storage system 100A at respective independent timings, save the journals in prescribed logical volumes JNL 2, JNL 3, produce copying of the data present in the primary storage system 100A based on the journals present in the logical volumes JNL 2, JNL 3 at the independent timings, and save the copies in auxiliary logical volumes COPY 1, COPY 3. The primary storage system 100A holds the journals till both auxiliary storage systems 100B, 100C read the journals and restore. The timing of journal read can be controlled according to the journal quantity, processing load, and the like.

Abstract translation: 本发明的目的是在多个存储系统之间进行数据传输或数据复制，而不影响存储系统的主机。 两个或更多个辅助存储系统100B，100C连接到与主机设备180连接的主存储系统100A。辅助存储系统100B，100C在各个独立的定时从主存储系统100A读取数据更新的日志，保存日志 在规定的逻辑卷JNL 2，JNL 3中，根据逻辑卷JNL 2，JNL 3中存在的独立定时的日志，生成主存储系统100A中存在的数据的复制，并将副本保存在辅助逻辑卷COPY中 1，副本3.主存储系统100A保存日志直到辅助存储系统100B，100C都读取日志并恢复。 日志读取的时间可以根据日志数量，处理负载等进行控制。

公开(公告)号：EP1785868B1

公开(公告)日：2009-04-01

申请号：EP07002052.4

申请日：2004-03-26

Applicant: HITACHI, LTD.

Inventor： Kasako, Naohisa Hitachi, Ltd. ,  Kondo, Shuji Hitachi, Ltd. ,  Suzuki, Toru Hitachi, Ltd.

IPC: G06F11/20

CPC classification number: G06F11/2082 ,  G06F11/2066 ,  G06F11/2069 ,  G06F11/2071 ,  G06F11/2074 ,  G06F11/2094 ,  G06F11/2097 ,  G06F2201/855

Abstract: A storage device system includes an information processing device, a first storage device equipped with a first storage volume, and a second storage device equipped with a second storage volume. The information processing device and the first storage device are communicatively connected to one another. Also, the first storage device and the second storage device are communicatively connected to one another. The information processing device is equipped with a first write request section that requests to write data in the first storage device according to a first communications protocol. The first storage device is equipped with a second write request section that requests to write data in the second storage device according to a second communications protocol. The information processing device creates first data including a first instruction to be executed in the second storage device. The information processing device transmits to the first write request section a request to write the first data in the first storage volume according to the first communications protocol. When the first data written in the first storage volume is an instruction to the second storage device, the first storage device transmits to the second write request section a request to write the first data in the second storage volume according to the second communications protocol. The second storage device executes the first instruction set in the first data written in the second storage volume.

公开(公告)号：EP1562118A3

公开(公告)日：2008-12-31

申请号：EP04013413.2

申请日：2004-06-07

Applicant: Hitachi, Ltd.

Inventor： Kawamura, Shunji, Hitachi Ltd., Intel. Prop. Group ,  Eguchi, Yoshiaki, Hitachi Ltd., Intel. Prop. Group

IPC: G06F11/20

CPC classification number: G06F11/2066 ,  G06F11/2064 ,  G06F11/2074 ,  G06F2201/855 ,  Y10S707/99953

Abstract: In a data processing system having a primary site and a secondary site, storage systems are connected to each other via a communication line, data update history is recorded in a storage device as a journal in the primary site, and the journal is transferred to the secondary site via the communication line. During such transfer, loads will not concentrate to a specific volume, by switching the volume that stores the journal in the primary site, while, by switching the transfer-destination volume of the journal in the secondary site.
With such arrangement, in a data processing system, it is possible to ensure data consistency in a plurality of sites and prevent the system throughput capacity from being deteriorated without applying loads to a host and a network, and without causing load concentration on a specific storage device that is caused as a result of data update or recovery operations.

公开(公告)号：EP1959346A2

公开(公告)日：2008-08-20

申请号：EP07254428.1

申请日：2007-11-09

Applicant: Hitachi, Ltd.

Inventor： Arakawa, Hiroshi, c/o Hitachi, Ltd. ,  Yamamoto, Akira, c/o Hitachi, Ltd.

IPC: G06F11/14

CPC classification number: G06F11/1471 ,  G06F11/2064 ,  G06F11/2071 ,  G06F2201/84 ,  G06F2201/855

Abstract: In a storage system implementing journaling for data backup and restore, users are able to easily determine information regarding amounts journal data generated over specified periods of time. Flexible and automatic adjustment of the journal area is enabled by providing the user with the information on the relationships between the amounts of journal data generated over periods of time. Also dynamic allocation of storage capacity from free space may be applied to the journal volume on an as-needed basis, and may be used to minimize the size of the journal volume when certain journal entries are determined to be no longer needed. Thus, users are able to determine an appropriate size of a journal area in accordance with requirements for predetermined preservation periods for backup data. Thereby, management of the journal area is simplified and the costs to manage the journal area are reduced.

Abstract translation: 在存储系统中实现日志数据备份和恢复，用户可以很容易地确定矿井信息关于在指定的时间周期内产生量日志数据。 轴颈面积的灵活和自动调节是通过向用户提供关于在一段时间内产生的日志数据的量之间的关系的信息启用。 从自由空间的存储容量，以便动态分配可以应用到日志卷上进行需要的基础上，并且可以用于当某些日记条目是确定性的开采可以不再需要以最小化日志卷的大小。 因此，用户能够确定矿与备份数据保存预定时间要求，雅舞蹈轴颈区域的适当的大小。 因此，该杂志区的管理被简化和管理日志区域降低了成本。