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1. 发明授权

US07398448B2 Storage system has the function of preventing drive write error 失效
标题翻译：存储系统具有防止驱动器写入错误的功能
公开(公告)号：US07398448B2
公开(公告)日：2008-07-08
申请号：US10972435
申请日：2004-10-26
申请人： Yutaka Nakagawa , Ikuya Yagisawa , Akira Nishimoto
发明人： Yutaka Nakagawa , Ikuya Yagisawa , Akira Nishimoto
IPC分类号： G11C29/00
CPC分类号： G06F11/1076 , G06F2211/1009 , G06F2211/109
摘要： A storage technology for improving reliability in writing host data to a storage device is provided. A first check code based on write data is stored in cache memory 370, and storage section 50 is instructed to write, in specified predetermined storage area, write data with the first check code appended thereto, after which the storage section 50 is instructed to read data stored in said predetermined storage area; a second check code is generated on the basis of the read data, and in the event that the correspondence relationship between the first and second check codes is correct, it is decided that the write data was written normally to the storage section 50.
摘要翻译：提供了一种用于提高将主机数据写入存储装置的可靠性的存储技术。基于写入数据的第一校验码被存储在高速缓冲存储器370中，并且指令存储部分50在指定的预定存储区域中写入附加了第一校验码的写入数据，之后指令存储部分50读取存储在所述预定存储区域中的数据; 基于读取的数据生成第二检查码，并且在第一和第二检查码之间的对应关系正确的情况下，确定写入数据被正常写入存储部分50。

2. 发明申请

US20060047872A1 Storage system has the function of preventing drive write error 失效
标题翻译：存储系统具有防止驱动器写入错误的功能
公开(公告)号：US20060047872A1
公开(公告)日：2006-03-02
申请号：US10972435
申请日：2004-10-26
申请人： Yutaka Nakagawa , Ikuya Yagisawa , Akira Nishimoto
发明人： Yutaka Nakagawa , Ikuya Yagisawa , Akira Nishimoto
IPC分类号： G06F13/00
CPC分类号： G06F11/1076 , G06F2211/1009 , G06F2211/109
摘要： A storage technology for improving reliability in writing host data to a storage device is provided. A first check code based on write data is stored in cache memory 370, and storage section 50 is instructed to write, in specified predetermined storage area, write data with the first check code appended thereto, after which the storage section 50 is instructed to read data stored in said predetermined storage area; a second check code is generated on the basis of the read data, and in the event that the correspondence relationship between the first and second check codes is correct, it is decided that the write data was written normally to the storage section 50.
摘要翻译：提供了一种用于提高将主机数据写入存储装置的可靠性的存储技术。基于写入数据的第一校验码被存储在高速缓冲存储器370中，并且指令存储部分50在指定的预定存储区域中写入附加了第一校验码的写入数据，之后指令存储部分50读取存储在所述预定存储区域中的数据; 基于读取的数据生成第二检查码，并且在第一和第二检查码之间的对应关系正确的情况下，确定写入数据被正常写入存储部分50。

3. 发明申请

US20060095813A1 Disk array system and interface converter 失效
标题翻译：磁盘阵列系统和接口转换器
公开(公告)号：US20060095813A1
公开(公告)日：2006-05-04
申请号：US11298715
申请日：2005-12-12
申请人： Ikuya Yagisawa , Yutaka Nakagawa , Azuma Kano
发明人： Ikuya Yagisawa , Yutaka Nakagawa , Azuma Kano
IPC分类号： G06F11/00
CPC分类号： G06F11/3485 , G06F3/0614 , G06F3/0653 , G06F3/0661 , G06F3/0664 , G06F3/0689 , G06F11/0727 , G06F11/0757 , G06F11/3419 , G06F2201/865
摘要： The present invention aims to provide a high-reliability, low-cost disk array by emulating an ATA drive so that it can be used in the same way as an FC drive. To achieve this object, a disk array system of the present invention includes: a storage device having a logical unit logically set therein; the storage device includes: a plurality of disk devices having a first interface; and an interface converter converting between signals of the first interface adapted for the disk device and signals of a second interface adapted for the control device. The interface converter includes: a response time monitor portion for monitoring a time until a response is received from the disk device according to the data input/output request; and a notification issue portion for issuing to the control device a notification about an operative state of the disk device according to the monitored response time.
摘要翻译：本发明旨在通过仿真ATA驱动器来提供高可靠性，低成本的磁盘阵列，使得其可以以与FC驱动器相同的方式使用。为了实现该目的，本发明的磁盘阵列系统包括：具有在其中逻辑设置的逻辑单元的存储装置; 所述存储装置包括：具有第一接口的多个盘装置; 以及在适于盘装置的第一接口的信号和适于控制装置的第二接口的信号之间转换的接口转换器。接口转换器包括：响应时间监视器部分，用于根据数据输入/输出请求监视直到从盘装置接收到响应的时间; 以及通知发布部分，用于根据所监视的响应时间向控制设备发出关于盘设备的操作状态的通知。

4. 发明授权

US07080167B2 Disk array system and interface converter 失效
公开(公告)号：US07080167B2
公开(公告)日：2006-07-18
申请号：US10861792
申请日：2004-06-07
申请人： Ikuya Yagisawa , Yutaka Nakagawa , Azuma Kano
发明人： Ikuya Yagisawa , Yutaka Nakagawa , Azuma Kano
IPC分类号： G06F3/00
CPC分类号： G06F11/3485 , G06F3/0614 , G06F3/0653 , G06F3/0661 , G06F3/0664 , G06F3/0689 , G06F11/0727 , G06F11/0757 , G06F11/3419 , G06F2201/865
摘要： The present invention aims to provide a high-reliability, low-cost disk array by emulating an ATA drive so that it can be used in the same way as an FC drive. To achieve this object, a disk array system of the present invention includes: a storage device having a logical unit logically set therein; the storage device includes: a plurality of disk devices having a first interface; and an interface converter converting between signals of the first interface adapted for the disk device and signals of a second interface adapted for the control device. The interface converter includes: a response time monitor portion for monitoring a time until a response is received from the disk device according to the data input/output request; and a notification issue portion for issuing to the control device a notification about an operative state of the disk device according to the monitored response time.

5. 发明授权

US07383361B2 Disk array system and interface converter 失效
标题翻译：磁盘阵列系统和接口转换器
公开(公告)号：US07383361B2
公开(公告)日：2008-06-03
申请号：US11298715
申请日：2005-12-12
申请人： Ikuya Yagisawa , Yutaka Nakagawa , Azuma Kano
发明人： Ikuya Yagisawa , Yutaka Nakagawa , Azuma Kano
IPC分类号： G06F3/00
CPC分类号： G06F11/3485 , G06F3/0614 , G06F3/0653 , G06F3/0661 , G06F3/0664 , G06F3/0689 , G06F11/0727 , G06F11/0757 , G06F11/3419 , G06F2201/865
摘要： The present invention aims to provide a high-reliability, low-cost disk array by emulating an ATA drive so that it can be used in the same way as an FC drive. To achieve this object, a disk array system of the present invention includes: a storage device having a logical unit logically set therein; the storage device includes: a plurality of disk devices having a first interface; and an interface converter converting between signals of the first interface adapted for the disk device and signals of a second interface adapted for the control device. The interface converter includes: a response time monitor portion for monitoring a time until a response is received from the disk device according to the data input/output request; and a notification issue portion for issuing to the control device a notification about an operative state of the disk device according to the monitored response time.
摘要翻译：本发明旨在通过仿真ATA驱动器来提供高可靠性，低成本的磁盘阵列，使得其可以以与FC驱动器相同的方式使用。为了实现该目的，本发明的磁盘阵列系统包括：具有在其中逻辑设置的逻辑单元的存储装置; 所述存储装置包括：具有第一接口的多个盘装置; 以及在适于盘装置的第一接口的信号和适于控制装置的第二接口的信号之间转换的接口转换器。接口转换器包括：响应时间监视器部分，用于根据数据输入/输出请求监视直到从盘装置接收到响应的时间; 以及通知发布部分，用于根据所监视的响应时间向控制设备发出关于盘设备的操作状态的通知。

6. 发明申请

US20050132103A1 Disk array system and interface converter 失效
标题翻译：磁盘阵列系统和接口转换器
公开(公告)号：US20050132103A1
公开(公告)日：2005-06-16
申请号：US10861792
申请日：2004-06-07
申请人： Ikuya Yagisawa , Yutaka Nakagawa , Azuma Kano
发明人： Ikuya Yagisawa , Yutaka Nakagawa , Azuma Kano
IPC分类号： G06F3/06 , G06F3/00 , G06F11/00 , G06F11/34 , G06F12/16 , G11B20/10
CPC分类号： G06F11/3485 , G06F3/0614 , G06F3/0653 , G06F3/0661 , G06F3/0664 , G06F3/0689 , G06F11/0727 , G06F11/0757 , G06F11/3419 , G06F2201/865
摘要： The present invention aims to provide a high-reliability, low-cost disk array by emulating an ATA drive so that it can be used in the same way as an FC drive. To achieve this object, a disk array system of the present invention includes: a storage device having a logical unit logically set therein; the storage device includes: a plurality of disk devices having a first interface; and an interface converter converting between signals of the first interface adapted for the disk device and signals of a second interface adapted for the control device. The interface converter includes: a response time monitor portion for monitoring a time until a response is received from the disk device according to the data input/output request; and a notification issue portion for issuing to the control device a notification about an operative state of the disk device according to the monitored response time.
摘要翻译：本发明旨在通过仿真ATA驱动器来提供高可靠性，低成本的磁盘阵列，使得其可以以与FC驱动器相同的方式使用。为了实现该目的，本发明的磁盘阵列系统包括：具有在其中逻辑设置的逻辑单元的存储装置; 所述存储装置包括：具有第一接口的多个盘装置; 以及在适于盘装置的第一接口的信号和适于控制装置的第二接口的信号之间转换的接口转换器。接口转换器包括：响应时间监视器部分，用于根据数据输入/输出请求监视直到从盘装置接收到响应的时间; 以及通知发布部分，用于根据所监视的响应时间向控制设备发出关于盘设备的操作状态的通知。

7. 发明申请

US20050240854A1 Storage system 有权
标题翻译：存储系统
公开(公告)号：US20050240854A1
公开(公告)日：2005-10-27
申请号：US10857112
申请日：2004-05-28
申请人： Yutaka Nakagawa , Akira Nishimoto , Naoto Matsunami
发明人： Yutaka Nakagawa , Akira Nishimoto , Naoto Matsunami
IPC分类号： G06F12/08 , G06F3/06 , G06F11/10 , H03M13/00 , G11C29/00
CPC分类号： G06F11/1084 , G06F11/1088
摘要： A storage system includes a group of storage devices which include back-up devices configured to assure appropriate response time. When a data request from a host computer arrives, and the number of failed devices has changed as shown by a device state management table, a determination is made regarding the number of devices from which to read data. This determination is made based on an indication of redundancy which indicates how many of the disk devices are allowed to be in a failed state at the time of data reading. Typically, the indication of redundancy is determined by the sum of the number of failed devices and a predetermined number. The determined number of devices are selected in accordance with a selection factor, and a selection result is written into a disk management table. Then, the reading process is executed with respect to the target disk devices.
摘要翻译：存储系统包括一组存储设备，其包括被配置为确保适当的响应时间的备份设备。当来自主计算机的数据请求到达并且设备状态管理表所示的故障设备的数量已经改变时，确定从其读取数据的设备的数量。该确定是基于指示冗余的指示进行的，其指示在数据读取时允许多少磁盘设备处于故障状态。通常，冗余的指示由故障设备的数量和预定数量的总和确定。根据选择因素选择确定的设备数量，并将选择结果写入盘管理表。然后，相对于目标盘装置执行读取处理。

8. 发明授权

US07139934B2 Storage system for increased cache reliability via reading redundant disks into cache 有权
标题翻译：存储系统通过将冗余磁盘读入缓存来提高缓存的可靠性
公开(公告)号：US07139934B2
公开(公告)日：2006-11-21
申请号：US10857112
申请日：2004-05-28
申请人： Yutaka Nakagawa , Akira Nishimoto , Naoto Matsunami
发明人： Yutaka Nakagawa , Akira Nishimoto , Naoto Matsunami
IPC分类号： G06F11/00
CPC分类号： G06F11/1084 , G06F11/1088
摘要： A storage system includes a group of storage devices which include back-up devices configured to assure appropriate response time. When a data request from a host computer arrives, and the number of failed devices has changed as shown by a device state management table, a determination is made regarding the number of devices from which to read data. This determination is made based on an indication of redundancy which indicates how many of the disk devices are allowed to be in a failed state at the time of data reading. Typically, the indication of redundancy is determined by the sum of the number of failed devices and a predetermined number. The determined number of devices are selected in accordance with a selection factor, and a selection result is written into a disk management table. Then, the reading process is executed with respect to the target disk devices.
摘要翻译：存储系统包括一组存储设备，其包括被配置为确保适当的响应时间的备份设备。当来自主计算机的数据请求到达并且设备状态管理表所示的故障设备的数量已经改变时，确定从其读取数据的设备的数量。该确定是基于指示冗余的指示进行的，其指示在数据读取时允许多少磁盘设备处于故障状态。通常，冗余的指示由故障设备的数量和预定数量的总和确定。根据选择因素选择确定的设备数量，并将选择结果写入盘管理表。然后，相对于目标盘装置执行读取处理。

9. 发明授权

US07398417B2 Storage system for increased cache reliability VI reading redundant disks into cache 有权
标题翻译：用于提高缓存可靠性的存储系统VI将冗余磁盘读入高速缓存
公开(公告)号：US07398417B2
公开(公告)日：2008-07-08
申请号：US11482658
申请日：2006-07-06
申请人： Yutaka Nakagawa , Akira Nishimoto , Naoto Matsunami
发明人： Yutaka Nakagawa , Akira Nishimoto , Naoto Matsunami
IPC分类号： G06F11/00
CPC分类号： G06F11/1084 , G06F11/1088
摘要： A storage system includes a group of storage devices which include back-up devices configured to assure appropriate response time. When a data request from a host computer arrives, and the number of failed devices has changed as shown by a device state management table, a determination is made regarding the number of devices from which to read data. This determination is made based on an indication of redundancy which indicates how many of the disk devices are allowed to be in a failed state at the time of data reading. Typically, the indication of redundancy is determined by the sum of the number of failed devices and a predetermined number. The determined number of devices are selected in accordance with a selection factor, and a selection result is written into a disk management table. Then, the reading process is executed with respect to the target disk devices.
摘要翻译：存储系统包括一组存储设备，其包括被配置为确保适当的响应时间的备份设备。当来自主计算机的数据请求到达并且设备状态管理表所示的故障设备的数量已经改变时，确定从其读取数据的设备的数量。该确定是基于指示冗余的指示进行的，其指示在数据读取时允许多少磁盘设备处于故障状态。通常，冗余的指示由故障设备的数量和预定数量的总和确定。根据选择因素选择确定的设备数量，并将选择结果写入盘管理表。然后，相对于目标盘装置执行读取处理。

10. 发明授权

US07278000B2 Data migration with worm guarantee 失效
标题翻译：数据迁移与蠕虫保证
公开(公告)号：US07278000B2
公开(公告)日：2007-10-02
申请号：US10960053
申请日：2004-10-08
申请人： Yusuke Nonaka , Naoto Matsunami , Akira Nishimoto , Yutaka Nakagawa
发明人： Yusuke Nonaka , Naoto Matsunami , Akira Nishimoto , Yutaka Nakagawa
IPC分类号： G06F12/14 , G06F12/16
CPC分类号： G06F3/0647 , G06F3/0607 , G06F3/0608 , G06F3/0623 , G06F3/0637 , G06F3/067
摘要： The storage system is coupled to a computer, and includes a controller and a disk drive including a plurality of logical volumes, at least in one of which updating prohibition information indicating inclusion of an area assigned an updating prohibition attribute is recorded. The controller includes a configuration management module that sets the logical volume assigned the updating prohibition attribute as a logical volume of a migration source, another logical volume as a logical volume of a migration destination, and the updating prohibition information concerning the logical volume of the migration source in the logical volume of the migration destination, and a migration module that copies data of the logical volume of the migration source to the logical volume of the migration destination after the setting of the updating prohibition information concerning the logical volume of the migration source in the logical volume of the migration destination.
摘要翻译：存储系统耦合到计算机，并且包括控制器和包括多个逻辑卷的磁盘驱动器，其中记录了表示包括分配有更新禁止属性的区域的更新禁止信息的至少一个。控制器包括配置管理模块，其将分配有更新禁止属性的逻辑卷设置为迁移源的逻辑卷，将另一逻辑卷设置为迁移目的地的逻辑卷，以及关于迁移的逻辑卷的更新禁止信息在迁移目标的逻辑卷中的源代码以及迁移模块，该迁移模块在设置关于迁移源的逻辑卷的更新禁止信息之后，将迁移源的逻辑卷的数据复制到迁移目的地的逻辑卷迁移目的地的逻辑卷。

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