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    • 1. 发明申请
    • Data processing system
    • 数据处理系统
    • US20060117154A1
    • 2006-06-01
    • US11334511
    • 2006-01-19
    • Kazuhito SuishuYusuke HirakawaYoshihiro Asaka
    • Kazuhito SuishuYusuke HirakawaYoshihiro Asaka
    • G06F12/00
    • G06F11/2071G06F11/201G06F11/2058G06F11/2064G06F11/2066G06F11/2069G06F11/2082G06F2201/855Y10S707/99953
    • A data processing system includes at least a first storage system, a second storage system and a third storage system. The third storage system maintains a replication of data stored in the first storage system. When updating data in the first storage system, the first storage system updates the replication of data stored in the third storage system and creates a journal. The journal is formed from a copy of data used for update and update information such as a write command for update, etc. The second storage system also maintains a replication of data stored in the first storage system. The second storage system obtains the journal, and updates data stored therein corresponding to data stored in the first storage system in the order of data update performed in the first storage system. When updating data stored in the third storage system corresponding to data stored in the first storage system, the third storage system creates a journal using data update numbers created in the first storage system. When the first storage system fails, the second storage system obtains the journal from the third storage system, and updates data stored therein corresponding to data stored in the first storage system in the order of data update performed in the first storage system.
    • 数据处理系统至少包括第一存储系统,第二存储系统和第三存储系统。 第三存储系统维护存储在第一存储系统中的数据的复制。 当在第一存储系统中更新数据时,第一存储系统更新存储在第三存储系统中的数据的复制并创建日志。 日志由用于更新和更新信息的数据的副本形成,诸如用于更新的写命令等。第二存储系统还维护存储在第一存储系统中的数据的复制。 第二存储系统以第一存储系统中执行的数据更新的顺序更新存储在其中的与存储在第一存储系统中的数据相对应的数据。 当更新存储在与第一存储系统中存储的数据相对应的第三存储系统中的数据时,第三存储系统使用在第一存储系统中创建的数据更新号码创建日志。 当第一存储系统发生故障时,第二存储系统从第三存储系统获取日志,并且按照在第一存储系统中执行的数据更新的顺序更新与存储在第一存储系统中的数据相对应的数据。
    • 3. 发明申请
    • Data processing system
    • 数据处理系统
    • US20050055523A1
    • 2005-03-10
    • US10784356
    • 2004-02-23
    • Kazuhito SuishuYusuke HirakawaYoshihiro Asaka
    • Kazuhito SuishuYusuke HirakawaYoshihiro Asaka
    • G06F3/06G06F11/20G06F12/00
    • G06F11/2076G06F11/2058G06F11/2064G06F11/2069G06F11/2071G06F11/2074G06F11/2082G06F2201/855H04L67/1095Y10S707/99953
    • A data processing system includes at least a first storage system, a second storage system and a third storage system. The third storage system maintains a replication of data stored in the first storage system. When updating data in the first storage system, the first storage system updates the replication of data stored in the third storage system and creates a journal. The journal is formed from a copy of data used for update and update information such as a write command for update, etc. The second storage system also maintains a replication of data stored in the first storage system. The second storage system obtains the journal, and updates data stored therein corresponding to data stored in the first storage system in the order of data update performed in the first storage system. When updating data stored in the third storage system corresponding to data stored in the first storage system, the third storage system creates a journal using data update numbers created in the first storage system. When the first storage system fails, the second storage system obtains the journal from the third storage system, and updates data stored therein corresponding to data stored in the first storage system in the order of data update performed in the first storage system.
    • 数据处理系统至少包括第一存储系统,第二存储系统和第三存储系统。 第三存储系统保持存储在第一存储系统中的数据的复制。 当在第一存储系统中更新数据时,第一存储系统更新存储在第三存储系统中的数据的复制并创建日志。 日志由用于更新和更新信息的数据的副本形成,诸如用于更新的写命令等。第二存储系统还维护存储在第一存储系统中的数据的复制。 第二存储系统以第一存储系统中执行的数据更新的顺序更新存储在其中的与存储在第一存储系统中的数据相对应的数据。 当更新存储在与第一存储系统中存储的数据相对应的第三存储系统中的数据时,第三存储系统使用在第一存储系统中创建的数据更新号码创建日志。 当第一存储系统发生故障时,第二存储系统从第三存储系统获取日志,并且按照在第一存储系统中执行的数据更新的顺序更新与存储在第一存储系统中的数据相对应的数据。
    • 4. 发明授权
    • Data processing system
    • 数据处理系统
    • US07660957B2
    • 2010-02-09
    • US12216724
    • 2008-07-10
    • Yusuke HirakawaKazuhito SuishuYoshihiro Asaka
    • Yusuke HirakawaKazuhito SuishuYoshihiro Asaka
    • G06F12/00
    • G06F11/2076G06F11/2058G06F11/2069G06F11/2074G06F11/2082G06F2201/855Y10S707/99953Y10S707/99955
    • A data processing system has a plurality of storage systems. In this system, data replication is performed at high speed and efficiency while maintaining data integrity. In addition, when failure has occurred in a configuration element, the time necessary to resume the data replication is reduced. In accordance with an instruction from first host computer, updating of replication-target data and creation of a journal are performed in a storage system A; and updating of replication data and creation of a journal are performed in a storage system B. A storage system C retrieves a journal from the storage system B in asynchronization with the updating, and performs updating of replication data. When failure has occurred in the storage system B, a journal-retrieving end is altered to the storage system, and the replication data is updated in accordance with the retrieved journal.
    • 数据处理系统具有多个存储系统。 在此系统中,数据复制以高速和高效率进行,同时保持数据的完整性。 另外,当配置元件发生故障时,恢复数据复制所需的时间减少。 根据来自第一主计算机的指令,在存储系统A中执行复制目标数据的更新和日志的创建; 并且在存储系统B中执行复制数据的更新和日志的创建。存储系统C与更新异步地从存储系统B检索日志,并且执行复制数据的更新。 当存储系统B发生故障时,日志检索端被更改为存储系统,并且复制数据根据检索的日志被更新。
    • 5. 发明申请
    • Data processing system
    • 数据处理系统
    • US20080313497A1
    • 2008-12-18
    • US12216724
    • 2008-07-10
    • Yusuke HirakawaKazuhito SuishuYoshihiro Asaka
    • Yusuke HirakawaKazuhito SuishuYoshihiro Asaka
    • G06F12/16G06F11/14G06F17/30
    • G06F11/2076G06F11/2058G06F11/2069G06F11/2074G06F11/2082G06F2201/855Y10S707/99953Y10S707/99955
    • A data processing system has a plurality of storage systems. In this system, data replication is performed at high speed and efficiency while maintaining data integrity. In addition, when failure has occurred in a configuration element, the time necessary to resume the data replication is reduced. In accordance with an instruction from first host computer, updating of replication-target data and creation of a journal are performed in a storage system A; and updating of replication data and creation of a journal are performed in a storage system B. A storage system C retrieves a journal from the storage system B in asynchronization with the updating, and performs updating of replication data. When failure has occurred in the storage system B, a journal-retrieving end is altered to the storage system, and the replication data is updated in accordance with the retrieved journal.
    • 数据处理系统具有多个存储系统。 在此系统中,数据复制以高速和高效率进行,同时保持数据的完整性。 另外,当配置元件发生故障时,恢复数据复制所需的时间减少。 根据来自第一主计算机的指令,在存储系统A中执行复制目标数据的更新和日志的创建; 并且在存储系统B中执行复制数据的更新和日志的创建。存储系统C与更新异步地从存储系统B检索日志,并且执行复制数据的更新。 当存储系统B发生故障时,日志检索端被更改为存储系统,并且复制数据根据检索的日志被更新。
    • 6. 发明授权
    • Data processing method providing remote copy in a system having first, second, and third storage systems
    • 在具有第一,第二和第三存储系统的系统中提供远程副本的数据处理方法
    • US07447855B2
    • 2008-11-04
    • US11581413
    • 2006-10-17
    • Kazuhito SuishuYusuke HirakawaYoshihiro Asaka
    • Kazuhito SuishuYusuke HirakawaYoshihiro Asaka
    • G06F12/00G06F13/00G06F12/16
    • G06F11/2071G06F11/201G06F11/2058G06F11/2064G06F11/2066G06F11/2069G06F11/2082G06F2201/855Y10S707/99953
    • A data processing system includes at least a first storage system, a second storage system and a third storage system. The third storage system maintains a replication of data stored in the first storage system. When updating data in the first storage system, the first storage system updates the replication of data stored in the third storage system and creates a journal. The journal is formed from a copy of data used for update and update information such as a write command for update, etc. The second storage system also maintains a replication of data stored in the first storage system. The second storage system obtains the journal, and updates data stored therein corresponding to data stored in the first storage system in the order of data update performed in the first storage system. When updating data stored in the third storage system corresponding to data stored in the first storage system, the third storage system creates a journal using data update numbers created in the first storage system. When the first storage system fails, the second storage system obtains the journal from the third storage system, and updates data stored therein corresponding to data stored in the first storage system in the order of data update performed in the first storage system.
    • 数据处理系统至少包括第一存储系统,第二存储系统和第三存储系统。 第三存储系统维护存储在第一存储系统中的数据的复制。 当在第一存储系统中更新数据时,第一存储系统更新存储在第三存储系统中的数据的复制并创建日志。 日志由用于更新和更新信息的数据的副本形成,诸如用于更新的写命令等。第二存储系统还维护存储在第一存储系统中的数据的复制。 第二存储系统以第一存储系统中执行的数据更新的顺序更新存储在其中的与存储在第一存储系统中的数据相对应的数据。 当更新存储在与第一存储系统中存储的数据相对应的第三存储系统中的数据时,第三存储系统使用在第一存储系统中创建的数据更新号码创建日志。 当第一存储系统发生故障时,第二存储系统从第三存储系统获取日志,并且按照在第一存储系统中执行的数据更新的顺序更新与存储在第一存储系统中的数据相对应的数据。
    • 9. 发明授权
    • Data processing system
    • 数据处理系统
    • US07117327B2
    • 2006-10-03
    • US10879472
    • 2004-06-30
    • Yusuke HirakawaKazuhito SuishuYoshihiro Asaka
    • Yusuke HirakawaKazuhito SuishuYoshihiro Asaka
    • G06F12/00
    • G06F11/2076G06F11/2058G06F11/2069G06F11/2074G06F11/2082G06F2201/855Y10S707/99953Y10S707/99955
    • A data processing system has a plurality of storage systems. In this system, data replication is performed at high speed and efficiency while maintaining data integrity. In addition, when failure has occurred in a configuration element, the time necessary to resume the data replication is reduced. In accordance with an instruction from first host computer, updating of replication-target data and creation of a journal are performed in a storage system A; and updating of replication data and creation of a journal are performed in a storage system B. A storage system C retrieves a journal from the storage system B in asynchronization with the updating, and performs updating of replication data. When failure has occurred in the storage system B, a journal-retrieving end is altered to the storage system, and the replication data is updated in accordance with the retrieved journal.
    • 数据处理系统具有多个存储系统。 在此系统中,数据复制以高速和高效率进行,同时保持数据的完整性。 另外,当配置元件发生故障时,恢复数据复制所需的时间减少。 根据来自第一主计算机的指令,在存储系统A中执行复制目标数据的更新和日志的创建; 并且在存储系统B中执行复制数据的更新和日志的创建。存储系统C与更新异步地从存储系统B检索日志,并且执行复制数据的更新。 当存储系统B发生故障时,日志检索端被更改为存储系统,并且复制数据根据检索的日志被更新。