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101.发明授权Computer system having an expansion device for virtualizing a migration source logical unit 有权具有用于虚拟化迁移源逻辑单元的扩展装置的计算机系统公开(公告)号：US08195865B2
公开(公告)日：2012-06-05
申请号：US13189604
申请日：2011-07-25
IPC分类号： G06F13/00
CPC分类号： G06F3/0665 , G06F3/0608 , G06F3/061 , G06F3/0613 , G06F3/0635 , G06F3/0647 , G06F3/067
摘要： A migration destination storage creates an expansion device for virtualizing a migration source logical unit. A host computer accesses an external volume by way of an access path of a migration destination logical unit, a migration destination storage, a migration source storage, and an external volume. After destaging all dirty data accumulated in the disk cache of the migration source storage to the external volume, an expansion device for virtualizing the external volume is mapped to the migration destination logical unit.
摘要翻译： 迁移目的地存储创建用于虚拟化迁移源逻辑单元的扩展设备。 主机通过迁移目的地逻辑单元，迁移目的地存储，迁移源存储和外部卷的访问路径访问外部卷。 将迁移源存储器的磁盘缓存中累积的所有脏数据降级到外部卷后，将用于虚拟化外部卷的扩展设备映射到迁移目的地逻辑单元。
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公开(公告)号：US08151013B2
公开(公告)日：2012-04-03
申请号：US13028164
申请日：2011-02-15
申请人： Kazuyoshi Serizawa , Yasutomo Yamamoto , Norio Shimozono , Akira Deguchi , Hisaharu Takeuchi , Takao Sato , Hisao Homma
发明人： Kazuyoshi Serizawa , Yasutomo Yamamoto , Norio Shimozono , Akira Deguchi , Hisaharu Takeuchi , Takao Sato , Hisao Homma
CPC分类号： G06F3/0655 , G06F3/0604 , G06F3/0605 , G06F3/0611 , G06F3/0631 , G06F3/0653 , G06F3/0671 , G06F3/0689 , G06F13/128
摘要： A host I/F unit has a management table for managing an MPPK which is in-charge of the control of input/output processing for a storage area of an LDEV, and if a host computer transmits an input/output request for the LDEV, the host I/F unit transfers the input/output request to the MPPK which is in-charge of the input/output processing for the LDEV based on the management table, an MP of the MPPK performs the input/output processing based on the input/output request, and the MP of the MPPK also judges whether the MPPK that is in-charge of the input/output processing for the LDEV is to be changed, and sets the management table so that an MPPK which is different from the MPPK that is in-charge is to be in-charge of the input/output processing for the LDEV.
摘要翻译： 主机I / F单元具有用于管理负责对LDEV的存储区域的输入/输出处理的控制的MPPK的管理表，并且如果主计算机发送对LDEV的输入/输出请求， 主机I / F单元基于管理表将输入/输出请求传送给负责LDEV的输入/输出处理的MPPK，MPPK的MP根据输入进行输入/输出处理 /输出请求，并且MPPK的MP还判断是否要改变负责LDEV的输入/输出处理的MPPK，并将管理表设置为与MPPK不同的MPPK， 负责为LDEV的输入/输出处理负责。
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103.发明申请COMPUTER SYSTEM HAVING AN EXPANSION DEVICE FOR VIRTUALIZING A MIGRATION SOURCE LOGICAL UNIT 有权具有用于虚拟化移动源逻辑单元的扩展设备的计算机系统公开(公告)号：US20110296101A1
公开(公告)日：2011-12-01
申请号：US13189604
申请日：2011-07-25
CPC分类号： G06F3/0665 , G06F3/0608 , G06F3/061 , G06F3/0613 , G06F3/0635 , G06F3/0647 , G06F3/067
摘要： A migration destination storage creates an expansion device for virtualizing a migration source logical unit. A host computer accesses an external volume by way of an access path of a migration destination logical unit, a migration destination storage, a migration source storage, and an external volume. After destaging all dirty data accumulated in the disk cache of the migration source storage to the external volume, an expansion device for virtualizing the external volume is mapped to the migration destination logical unit.
摘要翻译： 迁移目的地存储创建用于虚拟化迁移源逻辑单元的扩展设备。 主机通过迁移目的地逻辑单元，迁移目的地存储，迁移源存储和外部卷的访问路径访问外部卷。 将迁移源存储器的磁盘缓存中累积的所有脏数据降级到外部卷后，将用于虚拟化外部卷的扩展设备映射到迁移目的地逻辑单元。
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公开(公告)号：US07912996B2
公开(公告)日：2011-03-22
申请号：US12018818
申请日：2008-01-24
申请人： Kazuyoshi Serizawa , Yasutomo Yamamoto , Norio Shimozono , Akira Deguchi , Hisaharu Takeuchi , Takao Sato , Hisao Homma
发明人： Kazuyoshi Serizawa , Yasutomo Yamamoto , Norio Shimozono , Akira Deguchi , Hisaharu Takeuchi , Takao Sato , Hisao Homma
CPC分类号： G06F3/0655 , G06F3/0604 , G06F3/0605 , G06F3/0611 , G06F3/0631 , G06F3/0653 , G06F3/0671 , G06F3/0689 , G06F13/128
摘要： A host I/F unit has a management table for managing an MPPK which is in-charge of the control of input/output processing for a storage area of an LDEV, and if a host computer transmits an input/output request for the LDEV, the host I/F unit transfers the input/output request to the MPPK which is in-charge of the input/output processing for the LDEV based on the management table, an MP of the MPPK performs the input/output processing based on the input/output request, and the MP of the MPPK also judges whether the MPPK that is in-charge of the input/output processing for the LDEV is to be changed, and sets the management table so that an MPPK which is different from the MPPK that is in-charge is to be in-charge of the input/output processing for the LDEV.
摘要翻译： 主机I / F单元具有用于管理负责对LDEV的存储区域的输入/输出处理的控制的MPPK的管理表，并且如果主计算机发送对LDEV的输入/输出请求， 主机I / F单元基于管理表将输入/输出请求传送给负责LDEV的输入/输出处理的MPPK，MPPK的MP根据输入进行输入/输出处理 /输出请求，并且MPPK的MP还判断是否要改变负责LDEV的输入/输出处理的MPPK，并将管理表设置为与MPPK不同的MPPK， 负责为LDEV的输入/输出处理负责。
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公开(公告)号：US07870093B2
公开(公告)日：2011-01-11
申请号：US12116487
申请日：2008-05-07
IPC分类号： G06F7/00
CPC分类号： G06F11/1471 , G06F11/1464 , G06F11/1469 , G06F11/2071 , G06F2201/855
摘要： The data up to a point of time whereat failure has occurred will be restored at high speed at a remote site without imposing any burden on a host. The first storage system on the master side processes an I/O request from the host, and as a result of I/O processing to the second storage system on the remote side, transmits the update data. The second storage system retains data received from the first storage system as update log data. The host transmits a command for settling a state of an application to the first storage system as data, and the first storage system transmits the data to the second storage system. The host and the second storage system both retain an identifier corresponding to the command, and relate the identifier to the log data. Thereby, the host designates the identifier at any given time, whereby the second storage system restores the data at any given time.
摘要翻译： 直到发生故障的时间点的数据将在远程站点高速恢复，而不会对主机造成任何负担。 主机侧的第一存储系统处理来自主机的I / O请求，并且作为对远程侧的第二存储系统的I / O处理的结果，发送更新数据。 第二存储系统将从第一存储系统接收的数据保留为更新日志数据。 主机向第一存储系统发送用于确定应用状态的命令作为数据，并且第一存储系统将数据发送到第二存储系统。 主机和第二存储系统都保留与该命令对应的标识符，并将该标识符与日志数据相关联。 因此，主机在任何给定时间指定标识符，由此第二存储系统在任何给定时间恢复数据。
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106.发明授权Computer system having an expansion device for virtualizing a migration source logical unit 有权具有用于虚拟化迁移源逻辑单元的扩展装置的计算机系统公开(公告)号：US07861052B2
公开(公告)日：2010-12-28
申请号：US12261488
申请日：2008-10-30
IPC分类号： G06F13/00
CPC分类号： G06F3/0665 , G06F3/0608 , G06F3/061 , G06F3/0613 , G06F3/0635 , G06F3/0647 , G06F3/067
摘要： A migration destination storage creates an expansion device for virtualizing a migration source logical unit. A host computer accesses an external volume by way of an access path of a migration destination logical unit, a migration destination storage, a migration source storage, and an external volume. After destaging all dirty data accumulated in the disk cache of the migration source storage to the external volume, an expansion device for virtualizing the external volume is mapped to the migration destination logical unit.
摘要翻译： 迁移目的地存储创建用于虚拟化迁移源逻辑单元的扩展设备。 主机通过迁移目的地逻辑单元，迁移目的地存储，迁移源存储和外部卷的访问路径访问外部卷。 将迁移源存储器的磁盘缓存中累积的所有脏数据降级到外部卷后，将用于虚拟化外部卷的扩展设备映射到迁移目的地逻辑单元。
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公开(公告)号：US07673110B2
公开(公告)日：2010-03-02
申请号：US11254798
申请日：2005-10-21
申请人： Yasutomo Yamamoto , Hisao Honma , Ai Satoyama
发明人： Yasutomo Yamamoto , Hisao Honma , Ai Satoyama
IPC分类号： G06F12/00
CPC分类号： G06F3/0647 , G06F3/0613 , G06F3/0617 , G06F3/0635 , G06F3/067
摘要： In a system where a first storage system and a second storage system are connected to a third storage system, when the first storage system virtualizes and provides a device in the third storage system as a device in its own storage system, update data stored in a cache in the first storage system is written into the device of the third storage system to be reflected, attributes of the device are transferred to the second storage system, and the second storage system virtualizes the device of the third storage system as a device of its own storage system.
摘要翻译： 在第一存储系统和第二存储系统连接到第三存储系统的系统中，当第一存储系统虚拟化并将第三存储系统中的设备提供为其自己的存储系统中的设备时，更新存储在 将第一存储系统中的缓存写入要反映的第三存储系统的设备，将设备的属性传送到第二存储系统，并且第二存储系统将第三存储系统的设备虚拟化为其设备 自己的存储系统。
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公开(公告)号：US07624241B2
公开(公告)日：2009-11-24
申请号：US11594787
申请日：2006-11-09
IPC分类号： G06F12/00
CPC分类号： G06F3/0653 , G06F3/061 , G06F3/0631 , G06F3/0635 , G06F3/0647 , G06F3/067 , G06F11/3485 , G06F2206/1012 , Y10S707/99932
摘要： In a storage subsystem, performance tuning is performed with respect to all of the logical devices including external storage subsystems that are not directly connected to host computers. The physical storage units presented by the external storage subsystems are defined as logical devices of the storage subsystem, and I/O processing requests from the host computers are relayed to the logical devices. At the time of relaying, I/O processing conditions are monitored. When the load of an external storage subsystem is high, then operating conditions of ports and processors are examined. When the load can be reduced by changing the configuration of those ports and processors, the configuration is changed to reduce the load. When the load can not be reduced, data is migrated from a logical device having a high load to a logical device having a sufficient performance.
摘要翻译： 在存储子系统中，对于所有逻辑设备执行性能调整，包括不直接连接到主机的外部存储子系统。 由外部存储子系统呈现的物理存储单元被定义为存储子系统的逻辑设备，并且来自主计算机的I / O处理请求被中继到逻辑设备。 在中继时，监视I / O处理条件。 当外部存储子系统的负载很高时，检查端口和处理器的工作条件。 当通过改变这些端口和处理器的配置可以减少负载时，更改配置以减少负载。 当负载不能减小时，数据从具有高负载的逻辑设备迁移到具有足够性能的逻辑设备。
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公开(公告)号：US07386755B2
公开(公告)日：2008-06-10
申请号：US10777107
申请日：2004-02-13
IPC分类号： G06F11/00
CPC分类号： G06F11/1471 , G06F11/1464 , G06F11/1469 , G06F11/2071 , G06F2201/855
摘要： The data up to a point of time whereat failure has occurred will be restored at high speed at a remote site without imposing any burden on a host. The first storage system on the master side processes an I/O request from the host, and as a result of I/O processing to the second storage system on the remote side, transmits the update data. The second storage system retains data received from the first storage system as update log data. The host transmits a command for settling a state of an application to the first storage system as data, and the first storage system transmits the data to the second storage system. The host and the second storage system both retain an identifier corresponding to the command, and relate the identifier to the log data. Thereby, the host designates the identifier at any given time, whereby the second storage system restores the data at any given time.
摘要翻译： 直到发生故障的时间点的数据将在远程站点高速恢复，而不会对主机造成任何负担。 主机侧的第一存储系统处理来自主机的I / O请求，并且作为对远程侧的第二存储系统的I / O处理的结果，发送更新数据。 第二存储系统将从第一存储系统接收的数据保留为更新日志数据。 主机向第一存储系统发送用于确定应用状态的命令作为数据，并且第一存储系统将数据发送到第二存储系统。 主机和第二存储系统都保留与该命令对应的标识符，并将该标识符与日志数据相关联。 因此，主机在任何给定时间指定标识符，由此第二存储系统在任何给定时间恢复数据。
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公开(公告)号：US07310713B2
公开(公告)日：2007-12-18
申请号：US11305134
申请日：2005-12-19
IPC分类号： G06F12/16
CPC分类号： G06F3/0631 , G06F3/0605 , G06F3/0683 , Y10S707/99953 , Y10S707/99955
摘要： An object of the present invention is to allow access to a plurality of logical devices regardless of the number of ports provided in a storage system and the number of logical devices that can be allocated to a single port, and thereby to improve the usability of the logical devices.A storage system comprises a plurality of logical devices, a target device which is the object of access from a computer, and a juke box system for allocating one of the plurality of logical devices to the target device.The juke box system changes the logical device that is allocated to the target device in accordance with a request from the computer.
摘要翻译： 本发明的目的是允许访问多个逻辑设备，而不管存储系统中提供的端口的数量以及可以分配给单个端口的逻辑设备的数量，从而提高了可用性 逻辑设备。 存储系统包括多个逻辑设备，作为来自计算机的访问对象的目标设备和用于将多个逻辑设备中的一个逻辑设备分配给目标设备的点播机系统。 自动点唱机系统根据来自计算机的请求改变分配给目标设备的逻辑设备。
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