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11. 发明授权

US09684591B2 Storage system and storage apparatus 有权
公开(公告)号：US09684591B2
公开(公告)日：2017-06-20
申请号：US13519721
申请日：2012-04-27
申请人： Go Uehara , Shigeo Homma , Yoshiyuki Noborikawa
发明人： Go Uehara , Shigeo Homma , Yoshiyuki Noborikawa
IPC分类号： G06F13/00 , G06F12/02 , G06F3/06 , G06F11/10
CPC分类号： G06F12/0246 , G06F3/0688 , G06F11/108 , G06F2211/1059
摘要： A storage system comprises a first controller and a plurality of storage devices. The plurality of storage devices configure RAID, each of which includes one or more non-volatile memory chips providing storage space where data from a host computer is stored, and a second controller coupled to the non-volatile memory chips. In case where the first controller receives an update request to update first data to second data from the host computer, the second controller in a first storage device of the storage devices is configured to store the second data in an area different from an area where the first data has been stored, in the storage space of the first storage device; generate information that relates the first data and the second data; and generate an intermediate parity based on the first and the second data.

12. 发明授权

US09015410B2 Storage control apparatus unit and storage system comprising multiple storage control apparatus units 有权
标题翻译：存储控制装置单元和存储系统，包括多个存储控制装置单元
公开(公告)号：US09015410B2
公开(公告)日：2015-04-21
申请号：US13061291
申请日：2011-01-05
申请人： Rikiya Mizuta , Yuko Matsui , Masayuki Yamamoto , Shigeo Homma , Hiroshi Kawano
发明人： Rikiya Mizuta , Yuko Matsui , Masayuki Yamamoto , Shigeo Homma , Hiroshi Kawano
IPC分类号： G06F12/00 , G06F3/06
CPC分类号： G06F3/0665 , G06F3/0607 , G06F3/0631 , G06F3/067
摘要： A first storage control apparatus unit has a first logical volume. A second storage control apparatus unit has a second logical volume, which is a virtual logical volume and is mapped to the first logical volume, and a third logical volume that is associated with the first logical volume. The second storage control apparatus unit receives, from a host, an I/O command which has information including, as information denoting an I/O-destination area, an ID of the second logical volume and an address of an area of the second logical volume. The second storage control apparatus unit identifies a logical volume having an area that serves as an entity of the I/O-destination area, and a storage control apparatus unit that has this logical volume.
摘要翻译：第一存储控制装置单元具有第一逻辑卷。第二存储控制装置单元具有作为虚拟逻辑卷并映射到第一逻辑卷的第二逻辑卷以及与第一逻辑卷相关联的第三逻辑卷。第二存储控制装置单元从主机接收具有作为表示I / O目的地区域的信息的信息的I / O命令，第二逻辑卷的ID和第二逻辑的区域的地址卷。第二存储控制装置单元识别具有作为I / O目的地区域的实体的区域的逻辑卷，以及具有该逻辑卷的存储控制装置单元。

13. 发明授权

US08756392B2 Storage control apparatus and storage system comprising multiple storage control apparatuses 有权
标题翻译：包括多个存储控制装置的存储控制装置和存储系统
公开(公告)号：US08756392B2
公开(公告)日：2014-06-17
申请号：US13871033
申请日：2013-04-26
申请人： Yuko Matsui , Hiroshi Kawano , Shigeo Homma , Masayuki Yamamoto
发明人： Yuko Matsui , Hiroshi Kawano , Shigeo Homma , Masayuki Yamamoto
IPC分类号： G06F12/00 , G06F3/06 , G06F12/08 , G06F12/02
CPC分类号： G06F3/0689 , G06F3/0608 , G06F3/061 , G06F3/0619 , G06F3/0635 , G06F3/0647 , G06F3/0658 , G06F3/0665 , G06F3/0685 , G06F12/023 , G06F12/08 , G06F12/0813 , G06F2206/1012
摘要： A storage system has multiple disk controller (DKC) units that are coupled to one another in accordance with a coupling mode that satisfies the following (a1) through (a3): (a1) One DKC inside one DKC unit and one DKC inside another DKC unit are coupled via a second type of coupling medium that differs from the internal bus of the DKC and has a longer maximum communication distance than a first type of coupling medium, which is the same type of coupling medium as the internal bus of the DKC; (a2) the one DKC unit virtualizes a logical volume of the other DKC unit and provides this virtualized logical volume to host(s) coupled to the one DKC unit; and (a3) the other DKC unit virtualizes a logical volume of the DKC unit and provides this virtualized logical volume to host(s) coupled to the other DKC unit.
摘要翻译：存储系统具有根据满足以下（a1）至（a3）的耦合模式彼此耦合的多个盘控制器（DKC）：（a1）一个DKC单元内的一个DKC和另一个DKC内的一个DKC 单元通过与DKC的内部总线不同的第二类型的耦合介质耦合，并且具有比与DKC的内部总线相同类型的耦合介质的第一类耦合介质的更长的最大通信距离; （a2）一个DKC单元虚拟化另一DKC单元的逻辑卷，并将该虚拟化逻辑卷提供给耦合到该DKC单元的主机; 和（a3）另一个DKC单元虚拟化DKC单元的逻辑卷并将该虚拟化逻辑卷提供给耦合到另一个DKC单元的主机。

14. 发明申请

US20130275802A1 STORAGE SUBSYSTEM AND DATA MANAGEMENT METHOD OF STORAGE SUBSYSTEM 有权
标题翻译：存储子系统的存储子系统和数据管理方法
公开(公告)号：US20130275802A1
公开(公告)日：2013-10-17
申请号：US13504304
申请日：2012-04-16
申请人： Daisuke Endo , Koji Iwamitsu , Shigeo Homma
发明人： Daisuke Endo , Koji Iwamitsu , Shigeo Homma
IPC分类号： G06F11/20
CPC分类号： G06F11/1076 , G06F11/1443 , G06F11/2005 , G06F11/201
摘要： Since the whole storage device is blocked according to the conventional data saving method when failure occurs to the storage device in a storage subsystem, so that when failure occurs to two storage devices at the same time within a same RAID group, double failure is caused and data loss occurs. In order to solve the problem, the present invention divides a storage device into storage areas of predetermined units, constructs RAID groups from two or more storage areas, and when failure occurs to the storage area, selects a data migration destination storage area from either the RAID group in which failure has occurred or the RAID group other than the RAID group in which failure has occurred, migrates the data stored in the storage area where failure has occurred to the selected data migration destination storage area, and blocks only the storage area where failure has occurred.
摘要翻译：由于当存储子系统中的存储装置发生故障时，根据传统的数据保存方法阻止整个存储装置，使得当在同一RAID组内同时发生两个存储装置的故障时，引起双重故障，数据丢失发生。为了解决该问题，本发明将存储装置划分为预定单元的存储区域，从两个以上的存储区域构成RAID组，当存储区域发生故障时，从两个以上的存储区域中选择数据迁移目的地存储区域发生故障的RAID组或发生故障的RAID组以外的RAID组将存储在发生故障的存储区域中的数据迁移到选定的数据迁移目的地存储区域，并且仅阻止存储区域发生故障

15. 发明申请

US20120324202A1 STORAGE SYSTEM COMPRISING MULTIPLE STORAGE CONTROL APPARATUS 有权
标题翻译：包含多个存储控制设备的存储系统
公开(公告)号：US20120324202A1
公开(公告)日：2012-12-20
申请号：US13203764
申请日：2011-06-14
申请人： Satoru Ozaki , Yuko Matsui , Masayuki Yamamoto , Shigeo Homma , Hiroshi Kawano
发明人： Satoru Ozaki , Yuko Matsui , Masayuki Yamamoto , Shigeo Homma , Hiroshi Kawano
IPC分类号： G06F12/02
CPC分类号： G06F3/0665 , G06F3/0611 , G06F3/0631 , G06F3/067
摘要： A pool, which is configured by multiple actual areas, is formed on the basis of two or more storage devices. A second storage control apparatus (DKC) determines, for each storage device, an unused capacity to be given to a first DKC with respect to each first DKC based on an unused capacity of each storage device and a request value of each storage device for each first DKC, and gives, for each first DKC, the unused capacity for each storage device determined with respect to the first DKC, to this first DKC. The request value of the storage device is based on a performance value, which is a value related to the performance of this storage device. The total capacity of multiple actual areas allocated to the virtual volumes by the first DKC is equal to or less than the unused capacity given with respect to each storage device.
摘要翻译：基于两个或更多个存储设备形成由多个实际区域配置的池。第二存储控制装置（DKC）基于每个存储装置的未使用容量和每个存储装置的每个存储装置的请求值，为每个存储装置确定要针对每个第一DKC给予第一DKC的未使用容量并且为每个第一DKC给出针对第一DKC确定的每个存储设备的未使用容量。存储设备的请求值基于与该存储设备的性能相关的值的性能值。由第一DKC分配给虚拟卷的多个实际区域的总容量等于或小于相对于每个存储设备给出的未使用容量。

16. 发明授权

US08886869B2 Storage system and data control method therefor 有权
标题翻译：存储系统及其数据控制方法
公开(公告)号：US08886869B2
公开(公告)日：2014-11-11
申请号：US13059000
申请日：2011-02-02
申请人： Yoshiyuki Noborikawa , Shigeo Homma
发明人： Yoshiyuki Noborikawa , Shigeo Homma
IPC分类号： G06F12/00 , G06F3/06 , G06F11/14
CPC分类号： G06F12/0246 , G06F3/0616 , G06F3/0652 , G06F3/0688 , G06F11/1448 , G06F2212/7202
摘要： A package controller of a flash package, upon receiving an update data write request with respect to a first logical storage area corresponding to a first LU that is treated as a backup target, manages a first physical storage area as a backup storage area in a state where pre-update data is maintained, newly allocates a second physical storage area to the first logical storage area, and writes the update data to the second physical storage area. The package controller, upon receiving an update data write request with respect to a second logical storage area corresponding to a second LU that is treated as a non-backup target, manages a third physical storage area allocated to the second logical storage area as an invalid storage area, and writes the update data to a fourth physical storage area newly allocated to the second logical storage area. The package controller performs control so as to use the first physical storage area to provide backup data for the first LU, and delete pre-update data stored in the third physical storage area.
摘要翻译：闪存包的包控制器在接收到对应于被视为备份目标的第一LU的第一逻辑存储区域的更新数据写入请求时，将第一物理存储区域管理为状态的备份存储区域在维护预更新数据的情况下，向第一逻辑存储区域新分配第二物理存储区域，并将更新数据写入到第二物理存储区域。包控制器在接收到对应于作为非备份目标的第二LU的第二逻辑存储区域的更新数据写入请求时，将分配给第二逻辑存储区域的第三物理存储区域管理为无效存储区域，并将更新数据写入新分配给第二逻辑存储区域的第四物理存储区域。包控制器执行控制以便使用第一物理存储区域来提供用于第一LU的备份数据，并且删除存储在第三物理存储区域中的更新前数据。

17. 发明申请

US20140160591A1 STORAGE APPARATUS AND DATA MANAGEMENT METHOD 审中-公开
标题翻译：存储设备和数据管理方法
公开(公告)号：US20140160591A1
公开(公告)日：2014-06-12
申请号：US13805586
申请日：2012-12-06
申请人： Naoki Sakamoto , Shigeo Homma , Kosuke Komikado , Seiki Morita
发明人： Naoki Sakamoto , Shigeo Homma , Kosuke Komikado , Seiki Morita
IPC分类号： G11B20/18
CPC分类号： G11B20/1816 , G06F3/0619 , G06F3/0641 , G06F3/0689 , G06F11/1076
摘要： A storage apparatus has a first storage device in which the user data is stored and a second storage device which the management information including a primary hash value corresponding to the data management unit including a user data is stored for every data management unit. The storage apparatus (A) receives a read request, acquires a primary hash value of a first management unit which is a data management unit including read target user data from the second storage device, (B) reads data of the first management unit from the first storage device, (C) computes the primary hash value based on the data of the data management unit which is read, (D) determines whether the primary hash value in (A), and the primary hash value in (C) are in agreement, and (E) sends the read target user data to a upper level apparatus when the agreement is obtained.
摘要翻译：存储装置具有其中存储用户数据的第一存储装置和存储针对每个数据管理单元存储包括与包括用户数据的数据管理单元对应的主哈希值的管理信息的第二存储装置。存储装置（A）接收读取请求，从第二存储装置获取作为包含读取目标用户数据的数据管理单元的第一管理单元的主哈希值，（B）从第二管理单元从第二存储装置读取第一管理单元的数据，（C）基于读取的数据管理单元的数据计算主散列值，（D）确定（A）中的主散列值和（C）中的主散列值是否处于协议，以及（E）当获得协议时将读取的目标用户数据发送给上级设备。

18. 发明申请

US20120017042A1 STORAGE CONTROL APPARATUS AND STORAGE SYSTEM COMPRISING MULTIPLE STORAGE CONTROL APPARATUSES 有权
标题翻译：包含多个存储控制装置的存储控制装置和存储系统
公开(公告)号：US20120017042A1
公开(公告)日：2012-01-19
申请号：US12918608
申请日：2010-07-16
申请人： Yuko Matsui , Hiroshi Kawano , Shigeo Homma , Masayuki Yamamoto
发明人： Yuko Matsui , Hiroshi Kawano , Shigeo Homma , Masayuki Yamamoto
IPC分类号： G06F12/08
CPC分类号： G06F3/0689 , G06F3/0608 , G06F3/061 , G06F3/0619 , G06F3/0635 , G06F3/0647 , G06F3/0658 , G06F3/0665 , G06F3/0685 , G06F12/023 , G06F12/08 , G06F12/0813 , G06F2206/1012
摘要： A storage system has multiple disk controller (DKC) units that are coupled to one another in accordance with a coupling mode that satisfies the following (a1) through (a3): (a1) One DKC inside one DKC unit and one DKC inside another DKC unit are coupled via a second type of coupling medium that differs from the internal bus of the DKC and has a longer maximum communication distance than a first type of coupling medium, which is the same type of coupling medium as the internal bus of the DKC; (a2) the one DKC unit virtualizes a logical volume of the other DKC unit and provides this virtualized logical volume to host(s) coupled to the one DKC unit; and (a3) the other DKC unit virtualizes a logical volume of the DKC unit and provides this virtualized logical volume to host(s) coupled to the other DKC unit.
摘要翻译：存储系统具有根据满足以下（a1）至（a3）的耦合模式彼此耦合的多个盘控制器（DKC）：（a1）一个DKC单元内的一个DKC和另一个DKC内的一个DKC 单元通过与DKC的内部总线不同的第二类型的耦合介质耦合，并且具有比与DKC的内部总线相同类型的耦合介质的第一类耦合介质的更长的最大通信距离; （a2）一个DKC单元虚拟化另一DKC单元的逻辑卷，并将该虚拟化逻辑卷提供给耦合到该DKC单元的主机; 和（a3）另一个DKC单元虚拟化DKC单元的逻辑卷并将该虚拟化逻辑卷提供给耦合到另一个DKC单元的主机。

19. 发明授权

US07133987B2 Storage system and snapshot management method thereof 有权
标题翻译：存储系统及其快照管理方法
公开(公告)号：US07133987B2
公开(公告)日：2006-11-07
申请号：US10770008
申请日：2004-02-03
申请人： Haruaki Watanabe , Shigeo Homma , Takao Sato , Kouji Umemoto
发明人： Haruaki Watanabe , Shigeo Homma , Takao Sato , Kouji Umemoto
IPC分类号： G06F12/16
CPC分类号： G06F3/0671 , G06F3/0611 , G06F3/065 , G06F11/1466 , Y10S707/99953 , Y10S707/99955
摘要： In a novel snapshot management method for a data storage system which does not use duplication (mirroring), when a snapshot of a main volume pertaining to a designated time is being taken, every time a write request to a storage region in the main volume is received, if the data in that storage region has not been copied to an auxiliary volume since the designated time, that data is copied to the auxiliary volume, and the writing to the storage region is carried out after that. In the case of sequential writing, also for data in a further storage region, following the target storage region, on which it is predicted that sequential writing will be carried out henceforth, if copying to the auxiliary volume has not been carried out since the designated time, the data is copied to the auxiliary volume in the same way.
摘要翻译：在不使用复制（镜像）的数据存储系统的新颖的快照管理方法中，当正在拍摄与指定时间相关的主卷的快照时，每当向主卷中的存储区域的写入请求是如果该存储区域中的数据从指定时间起未被复制到辅助卷，则该数据被复制到辅助卷，并且之后执行对存储区域的写入。在顺序写入的情况下，还可以在目标存储区域之后的另一个存储区域中的数据的情况下，预测在此之后将进行顺序写入，如果从指定的时间起没有执行到辅助卷的复制时间，数据以相同的方式复制到辅助卷。

20. 发明授权

US5694576A Cache control by adding record identification information to partial write request 失效
标题翻译：通过将记录标识信息添加到部分写入请求中进行缓存控制
公开(公告)号：US5694576A
公开(公告)日：1997-12-02
申请号：US530711
申请日：1995-09-19
申请人： Akira Yamamoto , Shigeo Homma , Yoshihiro Asaka , Yoshiaki Kuwahara , Akira Kurano , Masafumi Nozawa , Hiroyuki Kitajima
发明人： Akira Yamamoto , Shigeo Homma , Yoshihiro Asaka , Yoshiaki Kuwahara , Akira Kurano , Masafumi Nozawa , Hiroyuki Kitajima
IPC分类号： G06F3/06 , G06F12/08 , G06F12/12
CPC分类号： G06F12/0866
摘要： In an information processing system having a data processing apparatus, a control unit for a cache memory, and a storage unit for storing a record, respectively interconnected together, wherein when the control unit receives from the data processing apparatus a write request for a record to be written and if the record to be written is not being stored in the cache memory, the control unit receives a data to be written in the object record from the data processing apparatus and stores the received data in the cache memory. After notifying the data processing apparatus of a completion of a data write process, the control unit checks if the object record in which the data stored in the cache memory is being stored in the storage unit, if the object record is being stored in the storage unit, the data in the cache memory is written in the storage unit, and if not, the data in the cache memory is not written and such effect is notified to the data processing apparatus.
摘要翻译：在具有数据处理装置，高速缓冲存储器的控制单元和分别互连在一起的记录的存储单元的信息处理系统中，其中当控制单元从数据处理装置接收到对记录的写请求时，写入，并且如果要写入的记录未被存储在高速缓冲存储器中，则控制单元从数据处理装置接收要写入对象记录中的数据，并将接收到的数据存储在高速缓冲存储器中。在通知数据处理装置完成数据写入处理之后，如果对象记录被存储在存储单元中，则控制单元检查存储在存储单元中的存储在高速缓冲存储器中的数据的对象记录是否存储在存储单元中高速缓冲存储器中的数据被写入存储单元中，如果不存在，则高速缓冲存储器中的数据不被写入，并且将该效果通知给数据处理装置。

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