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1. 发明授权

US5930193A Memory system using a flash memory and method of controlling the memory system 失效
标题翻译：使用闪存的存储器系统和控制存储器系统的方法
公开(公告)号：US5930193A
公开(公告)日：1999-07-27
申请号：US998998
申请日：1997-12-29
申请人： Kyosuke Achiwa , Akira Yamamoto , Hirotsugu Yamagata
发明人： Kyosuke Achiwa , Akira Yamamoto , Hirotsugu Yamagata
IPC分类号： G06F12/16 , G06F12/02 , G11C16/02 , G11C16/34 , G11C17/00 , G11C8/00
CPC分类号： G06F12/023 , G06F12/0246 , G06F2212/401 , G11C16/349
摘要： A memory system includes a flash memory having a plurality of individually erasable physical blocks, table section for holding the relationship in correspondence between the logical blocks allocated by the allocation section and the physical blocks first counting and managing section for counting and managing write counts of the respective logical blocks, first classifying section for classifying the logical blocks into a plurality of groups on the basis of the respective write counts of the logical blocks, erasure section for erasing data in a physical block allocated to a logical block to produce a free physical block, second counting and managing section for counting and managing the erasure counts of the respective physical blocks, second classifying section for classifying the physical blocks into a plurality of groups on the basis of the respective erasure counts of the physical blocks, control section for allocating the respective logical blocks to the physical blocks; and managing section for managing free physical blocks which are not allocated to any logical blocks.
摘要翻译：存储器系统包括具有多个可单独擦除的物理块的闪速存储器，用于保持由分配部分配的逻辑块之间的对应关系的表部分和用于计数和管理写入计数的物理块第一计数和管理部分各个逻辑块，第一分类部分，用于根据逻辑块的相应写入计数将逻辑块分类成多个组;擦除部分，用于擦除分配给逻辑块的物理块中的数据，以产生空闲物理块用于计数和管理各个物理块的擦除计数的第二计数和管理部分，用于根据物理块的各个擦除计数将物理块分类成多个组的第二分类部分，用于分配物理块的控制部分相应的逻辑块到物理块; 以及用于管理不分配给任何逻辑块的空闲物理块的管理部分。

2. 发明授权

US5737742A Memory system using flash memory and method of controlling the memory system 失效
标题翻译：使用闪存的内存系统和控制存储系统的方法
公开(公告)号：US5737742A
公开(公告)日：1998-04-07
申请号：US495165
申请日：1995-06-27
申请人： Kyosuke Achiwa , Akira Yamamoto , Hirotsugu Yamagata
发明人： Kyosuke Achiwa , Akira Yamamoto , Hirotsugu Yamagata
IPC分类号： G06F12/16 , G06F12/02 , G11C16/02 , G11C16/34 , G11C17/00 , G06F12/00
CPC分类号： G06F12/023 , G06F12/0246 , G06F2212/401 , G11C16/349
摘要： A memory system includes a flash memory having a plurality of individually erasable physical blocks, table section for holding the relationship in correspondence between the logical blocks allocated by the allocation section and the physical blocks first counting and managing section for counting and managing write counts of the respective logical blocks, first classifying section for classifying the logical blocks into a plurality of groups on the basis of the respective write counts of the logical blocks, erasure section for erasing data in a physical block allocated to a logical block to produce a free physical block, second counting and managing section for counting and managing the erasure counts of the respective physical blocks, second classifying section for classifying the physical blocks into a plurality of groups on the basis of the respective erasure counts of the physical blocks, control section for allocating the respective logical blocks to the physical blocks; and managing section for managing free physical blocks which are not allocated to any logical blocks, wherein the allocation control section performs an exchanging process as required which comprises the steps of allocating a logical block belonging to a logical block group having a larger write count to a free physical block belonging to a physical block group having a smaller erasure count and allocating a logical block belonging to a logical block group having a smaller write count to a free physical block belonging to a logical block group having a larger erasure count, increasing the service life of the memory system by preventing requests from collecting in a particular sector.
摘要翻译：存储器系统包括具有多个可单独擦除的物理块的闪速存储器，用于保持由分配部分配的逻辑块之间的对应关系的表部分和用于计数和管理写入计数的物理块第一计数和管理部分各个逻辑块，第一分类部分，用于根据逻辑块的相应写入计数将逻辑块分类成多个组;擦除部分，用于擦除分配给逻辑块的物理块中的数据，以产生空闲物理块用于计数和管理各个物理块的擦除计数的第二计数和管理部分，用于根据物理块的各个擦除计数将物理块分类成多个组的第二分类部分，用于分配物理块的控制部分相应的逻辑块到物理块; 以及用于管理未被分配给任何逻辑块的空闲物理块的管理部分，其中，所述分配控制部分执行所需的交换处理，其包括以下步骤：将属于具有较大写入次数的逻辑块组的逻辑块分配给属于具有较小擦除次数的物理块组的空闲物理块，并且将属于具有较小写入计数的逻辑块组的逻辑块分配给属于具有较大擦除次数的逻辑块组的自由物理块，增加该服务通过防止在特定部门收集请求来记忆系统的生命。

3. 发明授权

US06502204B2 Library system storing removable storage media 有权
标题翻译：库系统存储可移动存储介质
公开(公告)号：US06502204B2
公开(公告)日：2002-12-31
申请号：US09837182
申请日：2001-04-19
申请人： Kyosuke Achiwa , Akira Yamamoto , Manabu Kitamura
发明人： Kyosuke Achiwa , Akira Yamamoto , Manabu Kitamura
IPC分类号： H02H305
CPC分类号： G11B27/002 , G11B2220/41
摘要： A standard physical medium 1320 as loaded into library unit 1080 even in the absence of any load request from a host computer 1020 is regarded as a spare physical medium 1330 for use when the standard physical medium 1320 is under malfunction, and such medium is put in a spare media storage space 1340 while eliminating issuance of any notice to the host computer 1020. Whereby, in a computer system with redundancy configuration, it becomes possible to prevent the host computer from making use of any spare physical media.
摘要翻译：即使在没有来自主计算机1020的任何负载请求的情况下，加载到库单元1080中的标准物理介质1320被认为是当标准物理介质1320处于故障状态时使用的备用物理介质1330，并且将这样的介质放入备用介质存储空间1340，同时消除对主计算机1020的任何通知的发布。因此，在具有冗余配置的计算机系统中，可以防止主机使用任何备用物理介质。

4. 发明授权

US5613088A Raid system including first and second read/write heads for each disk drive 失效
标题翻译： RAID系统包括每个磁盘驱动器的第一个和第二个读/写头
公开(公告)号：US5613088A
公开(公告)日：1997-03-18
申请号：US273171
申请日：1994-07-26
申请人： Kyosuke Achiwa , Akira Yamamoto , Tetsuhiko Fujii , Takao Satoh , Masafumi Nozawa
发明人： Kyosuke Achiwa , Akira Yamamoto , Tetsuhiko Fujii , Takao Satoh , Masafumi Nozawa
IPC分类号： G06F3/06 , G06F11/10 , G11B20/18 , G06F12/02
CPC分类号： G06F11/1076 , G11B20/1833 , G06F2211/1054
摘要： A disk array apparatus, which has redundant data arranged in a distributing layout by record includes apparatus for speeding up redundant data updating processing during later updating, apparatus and a read head and write head securely mounted on a single actuator. In operation, old parity data is read out by the read head and then is used to generate new, updated parity data. The updated parity data is written into the record where the old parity data was held within one turn of the disk after the old parity data has been read out.
摘要翻译：具有通过记录布置在分配布局中的冗余数据的磁盘阵列装置包括用于在稍后更新期间加速冗余数据更新处理的装置，装置以及牢固地安装在单个致动器上的读取头和写头。在操作中，读取头读出旧的奇偶校验数据，然后用于生成新的更新的奇偶校验数据。更新的奇偶校验数据被写入到在旧的奇偶校验数据被读出之后，旧的奇偶校验数据被保持在盘的一圈内的记录中。

5. 发明授权

US06237109B1 Library unit with spare media and it's computer system 失效
标题翻译：具有备用媒体的图书馆单位及其计算机系统
公开(公告)号：US06237109B1
公开(公告)日：2001-05-22
申请号：US09038816
申请日：1998-03-12
申请人： Kyosuke Achiwa , Akira Yamamoto , Manabu Kitamura
发明人： Kyosuke Achiwa , Akira Yamamoto , Manabu Kitamura
IPC分类号： H02H305
CPC分类号： G11B27/002 , G11B2220/41
摘要： A standard physical medium 1320 as loaded into library unit 1080 even in the absence of any load request from a host computer 1020 is regarded as a spare physical medium 1330 for use when the standard physical medium 1320 is under malfunction, and such medium is put in a spare media storage space 1340 while eliminating issuance of any notice to the host computer 1020. Whereby, in a computer system with redundancy configuration, it becomes possible to prevent the host computer from making use of any spare physical media.
摘要翻译：即使在没有来自主计算机1020的任何负载请求的情况下，加载到库单元1080中的标准物理介质1320被认为是当标准物理介质1320处于故障状态时使用的备用物理介质1330，并且将这样的介质放入备用介质存储空间1340，同时消除对主计算机1020的任何通知的发布。因此，在具有冗余配置的计算机系统中，可以防止主机使用任何备用物理介质。

6. 发明申请

US20110208924A1 DATA STORAGE CONTROL ON STORAGE DEVICES 有权
标题翻译：存储设备的数据存储控制
公开(公告)号：US20110208924A1
公开(公告)日：2011-08-25
申请号：US13099300
申请日：2011-05-02
申请人： Kentaro KAKUI , Kyosuke Achiwa
发明人： Kentaro KAKUI , Kyosuke Achiwa
IPC分类号： G06F12/02 , G06F12/00
CPC分类号： G06F3/0665 , G06F3/0608 , G06F3/0613 , G06F3/0631 , G06F3/067
摘要： An object of the present invention is to improve the usage efficiency of a storage extent in a storage system using the Allocation on Use (AOU) technique. A controller in the storage system allocates a storage extent in an actual volume to an extent in a virtual volume accessed by a host computer, detects any decrease in necessity for maintaining that allocation, and cancels the allocation of the storage extent in the actual volume to the extent in the virtual volume based on the detection result.
摘要翻译：本发明的目的是提高使用分配使用（AOU）技术的存储系统中存储范围的使用效率。存储系统中的控制器在主计算机访问的虚拟卷中分配实际卷中的存储范围，检测到维护该分配的必要性的任何降低，并且将实际卷中的存储范围的分配取消为基于检测结果在虚拟卷中的范围。

7. 发明授权

US07949828B2 Data storage control on storage devices 有权
标题翻译：存储设备上的数据存储控制
公开(公告)号：US07949828B2
公开(公告)日：2011-05-24
申请号：US12704463
申请日：2010-02-11
申请人： Kentaro Kakui , Kyosuke Achiwa
发明人： Kentaro Kakui , Kyosuke Achiwa
IPC分类号： G06F13/00
CPC分类号： G06F3/0665 , G06F3/0608 , G06F3/0613 , G06F3/0631 , G06F3/067
摘要： An object of the present invention is to improve the usage efficiency of a storage extent in a storage system using the Allocation on Use (AOU) technique. A controller in the storage system allocates a storage extent in an actual volume to an extent in a virtual volume accessed by a host computer, detects any decrease in necessity for maintaining that allocation, and cancels the allocation of the storage extent in the actual volume to the extent in the virtual volume based on the detection result.
摘要翻译：本发明的目的是提高使用分配使用（AOU）技术的存储系统中存储范围的使用效率。存储系统中的控制器在主计算机访问的虚拟卷中分配实际卷中的存储范围，检测到维护该分配的必要性的任何降低，并且将实际卷中的存储范围的分配取消为基于检测结果在虚拟卷中的范围。

8. 发明申请

US20080046671A1 Storage System 有权
标题翻译：存储系统
公开(公告)号：US20080046671A1
公开(公告)日：2008-02-21
申请号：US11875129
申请日：2007-10-19
申请人： Eiichi Sato , Masafumi Nozawa , Kyosuke Achiwa
发明人： Eiichi Sato , Masafumi Nozawa , Kyosuke Achiwa
IPC分类号： G06F12/02 , G06F12/16 , G06F15/177
CPC分类号： G06F3/0647 , G06F3/0605 , G06F3/065 , G06F3/067 , H04L67/22
摘要： A technique that can efficiently achieve migration of a configuration and data between storage units with varying constructions of configuration information and that can alleviate burdens of personal operation by an administrator, etc. With the configuration information of each storage unit controlled by the storage control server, based on each piece of configuration information, the transfer-source configu-ration information is converted into information necessary for establishing the logical partition configuration of a storage unit which has the transfer-destination logical partition function. The information prepared by the conversion is transmitted to the transfer-destination storage unit and the configuration with the transfer-source logical configuration set as the transfer-destination logical partition is updated in the transfer-destination storage unit. After the migration of the configuration, the data is migrated using a remote copy function of carrying out data copy between the transfer-source and transfer-destination logical devices.
摘要翻译：一种技术，可以有效地实现存储单元之间配置和数据的迁移，具有不同结构的配置信息，并且可以减轻管理员等对个人操作的负担。利用由存储控制服务器控制的每个存储单元的配置信息，基于每条配置信息，将转移源配置信息转换为建立具有传送目的地逻辑分区功能的存储单元的逻辑分区配置所需的信息。通过转换准备的信息被发送到传送目的地存储单元，并且在传送目的地存储单元中更新设置为传送目的地逻辑分区的传送源逻辑配置的配置。迁移配置后，使用在传输源和传输目的地逻辑设备之间执行数据复制的远程复制功能来迁移数据。

9. 发明申请

US20070162718A1 STORAGE SYSTEM 失效
标题翻译：存储系统
公开(公告)号：US20070162718A1
公开(公告)日：2007-07-12
申请号：US11694095
申请日：2007-03-30
申请人： Eiichi Sato , Masafumi Nozawa , Kyosuke Achiwa
发明人： Eiichi Sato , Masafumi Nozawa , Kyosuke Achiwa
IPC分类号： G06F13/00 , G06F12/00 , G06F12/16
CPC分类号： G06F3/0647 , G06F3/0605 , G06F3/065 , G06F3/067 , H04L67/22
摘要： A technique that can efficiently achieve migration of a configuration and data between storage units with varying constructions of configuration information and that can alleviate burdens of personal operation by an administrator, etc. With the configuration information of each storage unit controlled by the storage control server, based on each piece of configuration information, the transfer-source configuration information is converted into information necessary for establishing the logical partition configuration of a storage unit which has the transfer-destination logical partition function. The information prepared by the conversion is transmitted to the transfer-destination storage unit and the configuration with the transfer-source logical configuration set as the transfer-destination logical partition is updated in the transfer-destination storage unit. After the migration of the configuration, the data is migrated using a remote copy function of carrying out data copy between the transfer-source and transfer-destination logical devices.
摘要翻译：一种技术，可以有效地实现存储单元之间配置和数据的迁移，具有不同结构的配置信息，并且可以减轻管理员等对个人操作的负担。利用由存储控制服务器控制的每个存储单元的配置信息，基于每个配置信息，将转移源配置信息转换为建立具有传送目的地逻辑分区功能的存储单元的逻辑分区配置所需的信息。通过转换准备的信息被发送到传送目的地存储单元，并且在传送目的地存储单元中更新设置为传送目的地逻辑分区的传送源逻辑配置的配置。迁移配置后，使用在传输源和传输目的地逻辑设备之间执行数据复制的远程复制功能来迁移数据。

10. 发明授权

US07143252B2 Storage apparatus system and method of data backup 有权
公开(公告)号：US07143252B2
公开(公告)日：2006-11-28
申请号：US10657010
申请日：2003-09-05
申请人： Kyosuke Achiwa , Takashi Oeda , Katsunori Nakamura
发明人： Kyosuke Achiwa , Takashi Oeda , Katsunori Nakamura
IPC分类号： G06F12/00
CPC分类号： G06F11/2082 , G06F11/2058 , G06F11/2064 , G06F11/2071 , G06F11/2074
摘要： In a storage apparatus system, after having obtained the coherency between a file system of a main storage apparatus system and the stored data, a host computer issues a freezing instruction to a main DKC which transfers in turn the disk image at a time point of the issue of freezing instruction to a sub-DKC and then transmits a signal, showing that all the data has been transmitted, to the sub-DKC. In the sub-DKC, the disk image at a time point of reception of the freezing instruction is held until a signal showing that all the data has been transmitted is issued next time, and when the main storage apparatus system becomes unusable at an arbitrary time point, the data of the disk image, at a time point of issue of the freezing instruction, which is held by the sub-storage apparatus system can be utilized.

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