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1. 发明申请

US20110246717A1 STORAGE APPARATUS, RECORDING MEDIUM AND METHOD FOR CONTROLLING STORAGE APPARATUS 失效
标题翻译：存储装置，记录介质和控制存储装置的方法
公开(公告)号：US20110246717A1
公开(公告)日：2011-10-06
申请号：US13073409
申请日：2011-03-28
申请人： Kenji KOBAYASHI , Hideo TAKAHASHI , Norihide KUBOTA , Atsushi IGASHIRA , Hidejirou DAIKOKUYA , Kazuhiko IKEUCHI , Chikashi MAEDA
发明人： Kenji KOBAYASHI , Hideo TAKAHASHI , Norihide KUBOTA , Atsushi IGASHIRA , Hidejirou DAIKOKUYA , Kazuhiko IKEUCHI , Chikashi MAEDA
IPC分类号： G06F12/00
CPC分类号： G06F11/1096
摘要： A storage apparatus has a plurality of storage media including each storage area in which a stripe is set extending over the storage area of the plurality of storage media. An access unit that writes a format data into the storage area, wherein when the plurality of storage media are formatted, the access unit writes an unformatted-state identifier indicating incompletion of formatting into at least a portion of storage area to be included in the stripe, or when the storage area to be included in the stripe is accessed for writing new data, the access unit reads out existing data stored in the storage area included in the stripe to be accessed. And when the unformatted-state identifier is detected from the existing data that has been read out, the access unit writes the new data or the format data to be written by formatting into the storage area.
摘要翻译：存储装置具有多个存储介质，其包括每个存储区域，在该存储区域中设置有条带，其延伸在多个存储介质的存储区域上。一种将格式数据写入存储区域的存取单元，其中当格式化多个存储介质时，访问单元将表示格式化不完整的未格式化标识符写入要包括在条带中的存储区域的至少一部分中或者当访问要包括在条带中的存储区域以写入新数据时，访问单元读出存储在要被访问的条带中的存储区域中的现有数据。并且当从已经读出的现有数据检测到未格式化状态标识符时，访问单元将新数据或格式化的格式数据写入存储区域。

2. 发明申请

US20090113236A1 DISK MANAGEMENT METHOD, DISK MANAGEMENT DEVICE AND STORAGE SYSTEM 有权
标题翻译：磁盘管理方法，磁盘管理设备和存储系统
公开(公告)号：US20090113236A1
公开(公告)日：2009-04-30
申请号：US12234940
申请日：2008-09-22
申请人： Norihide KUBOTA , Hideo TAKAHASHI , Yoshihito KONTA , Atsushi IGASHIRA , Mikio ITO , Hidejirou DAIKOKUYA , Kazuhiko IKEUCHI , Chikashi MAEDA , Yuji NODA , Tsuyoshi NAKAGAMI
发明人： Norihide KUBOTA , Hideo TAKAHASHI , Yoshihito KONTA , Atsushi IGASHIRA , Mikio ITO , Hidejirou DAIKOKUYA , Kazuhiko IKEUCHI , Chikashi MAEDA , Yuji NODA , Tsuyoshi NAKAGAMI
IPC分类号： G06F11/16 , G06F12/00
CPC分类号： G06F11/2082 , G11B20/1803 , G11B2020/1823 , G11B2220/41 , G11B2220/415
摘要： A disk management method for managing a disk management device for writing and reading data to and from a disk drive in which a recording medium is managed in a first control unit. The disk management method includes an error checking operation for checking an error on the recording medium in the first control unit, an error correction operation for correcting the error detected in the error, an error correcting operation for correcting the error detected in the error checking operation after converting data including the error to the second control unit, a data loss registration operation for registering a region in which data are lost due to an inconsistency between the first control unit and second control unit in a data loss region table, and a data loss recovery operation for recovering the loss of data with reference to the data loss region table.
摘要翻译：一种用于管理磁盘管理装置的磁盘管理方法，用于向第一控制单元中管理记录介质的磁盘驱动器写入和读取数据。磁盘管理方法包括用于检查第一控制单元中的记录介质上的错误的错误检查操作，用于校正在错误中检测到的错误的纠错操作，用于校正在错误检查操作中检测到的错误的纠错操作在将包括错误的数据转换为第二控制单元之后，在数据丢失区域表中记录由于第一控制单元和第二控制单元之间的不一致而导致数据丢失的区域的数据丢失登记操作，以及数据丢失参考数据丢失区域表恢复数据丢失的恢复操作。

3. 发明申请

US20120236427A1 STORAGE APPARATUS AND CONTROLLER 有权
标题翻译：存储设备和控制器
公开(公告)号：US20120236427A1
公开(公告)日：2012-09-20
申请号：US13371503
申请日：2012-02-13
申请人： Kazuhiko IKEUCHI , Hidejirou DAIKOKUYA , Chikashi MAEDA , Norihide KUBOTA , Atsushi IGASHIRA , Kenji KOBAYASHI , Ryouta TSUKAHARA
发明人： Kazuhiko IKEUCHI , Hidejirou DAIKOKUYA , Chikashi MAEDA , Norihide KUBOTA , Atsushi IGASHIRA , Kenji KOBAYASHI , Ryouta TSUKAHARA
IPC分类号： G11B27/36
CPC分类号： G11B27/36 , G06F11/2082 , G06F11/2094 , G11B27/002
摘要： A storage apparatus includes a plurality of first storage mediums in which data is redundantly stored and a controller. The controller includes a formatting section which performs formatting in each of the plurality of first storage mediums, a detection section which detects a failure that has occurred in the plurality of first storage mediums, a control section which makes the formatting section stop the formatting at the time of the detection of the failure by the detection section and which rebuilds the data stored in the plurality of first storage mediums in which the failure has occurred in a second storage medium other than the plurality of first storage mediums, and a rebuild processing section which rebuilds the data stored in the plurality of first storage mediums in the second storage medium in accordance with instructions from the control section.
摘要翻译：存储装置包括冗余存储数据的多个第一存储介质和控制器。控制器包括格式化部分，其在多个第一存储介质中的每一个中执行格式化;检测部分，其检测在多个第一存储介质中发生的故障;控制部分，其使格式化部分停止在检测部分检测到故障的时间，以及重建存储在其中发生故障的多个第一存储介质中的数据在除了多个第一存储介质之外的第二存储介质中的数据;以及重建处理部分，根据来自控制部分的指令重建存储在第二存储介质中的多个第一存储介质中的数据。

4. 发明申请

US20110191538A1 STORAGE DEVICE, METHOD FOR RESTORING DATA IN STORAGE DEVICE AND STORAGE CONTROLLER 有权
标题翻译：存储装置，用于在存储装置中恢复数据的方法和存储控制器
公开(公告)号：US20110191538A1
公开(公告)日：2011-08-04
申请号：US13016520
申请日：2011-01-28
申请人： Chikashi MAEDA , Hidejirou Daikokuya , Kazuhiko Ikeuchi , Norihide Kubota
发明人： Chikashi MAEDA , Hidejirou Daikokuya , Kazuhiko Ikeuchi , Norihide Kubota
IPC分类号： G06F12/16
CPC分类号： G06F12/16
摘要： A virtual volume control unit allocates, upon detection of a write request for new data in a virtual volume to be accessed, an actual storage space of a physical medium existing in the same storage group to the virtual volume in accordance with volume capacity of the new data. A storage control unit stores the new data as actual data in the actual storage space of the physical medium allocated to the virtual volume. And a restoration control unit causes, upon detection of a fallback in data redundancy in the storage group, the actual data in a stored space among the actual storage spaces in the physical medium that caused the fallback to be preferentially restored in an actual storage space in a destination physical medium with reference to the physical media other than the physical medium that caused the fallback in the storage group.
摘要翻译：虚拟卷控制单元在检测到要访问的虚拟卷中的新数据的写入请求时，根据新的容量来分配存储在同一存储组中的物理介质到虚拟卷的实际存储空间数据。存储控制单元将新数据作为实际数据存储在分配给虚拟卷的物理介质的实际存储空间中。并且，恢复控制部在检测到存储组中的数据冗余的回退时，导致在物理介质中的实际存储空间中的存储空间中的实际数据在实际的存储空间中被优先恢复参考除了导致存储组中的回退的物理介质之外的物理介质的目的物理介质。

5. 发明申请

US20090113237A1 STORAGE CONTROL DEVICE, STORAGE CONTROL METHOD AND STORAGE CONTROL PROGRAM 有权
标题翻译：存储控制设备，存储控制方法和存储控制程序
公开(公告)号：US20090113237A1
公开(公告)日：2009-04-30
申请号：US12261853
申请日：2008-10-30
申请人： Mikio ITO , Hidejirou DAIKOKUYA , Kazuhiko IKEUCHI , Chikashi MAEDA
发明人： Mikio ITO , Hidejirou DAIKOKUYA , Kazuhiko IKEUCHI , Chikashi MAEDA
IPC分类号： G06F11/20 , G06F11/14
CPC分类号： G06F11/1092 , G06F2211/1057
摘要： A storage control device includes a first rebuilding unit rebuilding information stored in one of a plurality of storages that fails by using information stored in the plurality of storages excluding said failed storage and storing rebuilt information in a spare storage replaced with the failed storage, a second rebuilding unit rebuilding information stored in two of said plurality of storages that fail by using information stored in said plurality of storages excluding the two failed storages and storing rebuilt information in two spare storages replaced with the two failed storages, and a rebuilding control unit for controlling said first rebuilding unit and second rebuilding unit where one of said spare storages fails during rebuilding the data stored in said two failed storages to replace the failed spare storage with other spare storage whereby said second rebuilding unit continues rebuilding the data.
摘要翻译：存储控制装置包括第一重建单元，重建存储在多个存储器中的一个存储器中的信息，所述存储器通过使用除了所述故障存储器之外的多个存储器中存储的信息而失败，并将重建的信息存储在由所述故障存储器替换的备用存储器中，通过使用除了两个故障存储器之外的存储在所述多个存储器中的信息而存储在所述多个存储器中的两个存储器中的两个存储器中的重建单元重建信息，并将重建的信息存储在由两个故障存储器替换的两个备用存储器中;以及重建控制单元，所述第一重建单元和第二重建单元，其中一个所述备用存储器在重建存储在所述两个故障存储器中的数据期间失败，以用其他备用存储替换故障备用存储器，由此所述第二重建单元继续重建数据。

6. 发明申请

US20130054913A1 STORAGE SYSTEM, AND APPARATUS AND METHOD FOR CONTROLLING STORAGE 有权
标题翻译：存储系统，以及用于控制存储的装置和方法
公开(公告)号：US20130054913A1
公开(公告)日：2013-02-28
申请号：US13586587
申请日：2012-08-15
申请人： Chikashi MAEDA , Hidejirou Daikokuya , Kazuhiko Ikeuchi , Takeshi Watanabe
发明人： Chikashi MAEDA , Hidejirou Daikokuya , Kazuhiko Ikeuchi , Takeshi Watanabe
IPC分类号： G06F12/16
CPC分类号： G06F9/50 , G06F11/1092 , G06F2209/5017
摘要： A rebuild control unit splits a rebuild process into partial processes and instructs an access processing unit to execute the partial processes. In the rebuild process, data identical to data recorded in a first storage device that constitutes RLU #1 is generated based on data read from, among storage devices constituting RLU #1, storage devices other than the first storage device and written to a spare storage device included in a storage system. Each partial process includes a combination of an operation of reading data from a split range created by splitting a data readout target range into fixed-size intervals and an operation of writing data in another storage device based on the data read from the split range. In response to the instruction from the rebuild control unit to execute the multiple partial processes, the access processing unit executes the instructed partial processes in parallel.
摘要翻译：重建控制单元将重建过程分解为部分过程，并指示访问处理单元执行部分过程。在重建处理中，基于从构成RLU＃1的存储装置之中读取的数据，生成与记录在构成RLU＃1的第一存储装置中的数据相同的数据，而不是第一存储装置的存储装置，并写入备用存储器设备包括在存储系统中。每个部分处理包括从通过将数据读出目标范围分割成固定大小间隔而创建的分割范围的数据的读取操作和基于从分割范围读取的数据在另一存储装置中写入数据的操作的组合。响应于重建控制单元执行多个部分处理的指令，访问处理单元并行地执行指示的部分处理。

7. 发明申请

US20100325478A1 DISK CONTROLLER AND DISK CONTROL METHOD 有权
标题翻译：磁盘控制器和磁盘控制方法
公开(公告)号：US20100325478A1
公开(公告)日：2010-12-23
申请号：US12816886
申请日：2010-06-16
申请人： Chikashi MAEDA , Mikio Ito , Hidejirou Daikokuya , Kazuhiko Ikeuchi
发明人： Chikashi MAEDA , Mikio Ito , Hidejirou Daikokuya , Kazuhiko Ikeuchi
IPC分类号： G11C29/00 , G06F12/00 , G06F11/20
CPC分类号： G06F11/2094 , G06F11/1092
摘要： A disk controller for controlling disk devices for storing redundant data distributed thereacross, the disk devices providing a logical volume, the disk devices including pool volumes allocatable to one of the logical volume. The disk controller includes a memory for storing information indicating a relationship between the pool volumes and the logical volume; and a processor for performing data reconstruction in accordance with a failure of the disk devices, a process of the data reconstruction, the processor being configured to detect an error in a part of the pool volumes included in the other disk devices when reading data from the pool volumes included in the other disk devices, determine whether the detected pool volume is allocated to the logical volume in reference to the information, and initialize the part of the detected pool volume when the detected pool volume is unallocated to the logical volume.
摘要翻译：一种用于控制磁盘设备的磁盘控制器，用于存储分布在其上的冗余数据，所述磁盘设备提供逻辑卷，所述磁盘设备包括可分配给逻辑卷之一的池卷。磁盘控制器包括用于存储指示池卷与逻辑卷之间的关系的信息的存储器; 以及处理器，用于根据磁盘设备的故障执行数据重建，数据重建的处理，处理器被配置为当从其中读取数据时检测在其他磁盘设备中包括的一部分池卷中的错误包括在其他磁盘设备中的池卷确定检测到的池卷是否参考信息分配给逻辑卷，并且当检测到的池卷未分配到逻辑卷时，初始化检测到的池卷的一部分。

8. 发明申请

US20100229033A1 STORAGE MANAGEMENT DEVICE, STORAGE MANAGEMENT METHOD, AND STORAGE SYSTEM 失效
标题翻译：存储管理设备，存储管理方法和存储系统
公开(公告)号：US20100229033A1
公开(公告)日：2010-09-09
申请号：US12718405
申请日：2010-03-05
申请人： Chikashi MAEDA , Mikio Ito , Hidejirou Daikokuya , Kazuhiko Ikeuchi
发明人： Chikashi MAEDA , Mikio Ito , Hidejirou Daikokuya , Kazuhiko Ikeuchi
IPC分类号： G06F11/20 , G06F11/00 , G06F11/16 , G06F12/00
CPC分类号： G06F11/2094 , G06F11/1076 , G06F11/1441
摘要： A storage system includes data storage devices, spare storage devices used when a failure occurs in a data storage devices, a group management unit that divides the data storage devices into groups and implements a redundancy, a data storage device restoration unit that assigns the spare storage device as a replacement when a failure occurs, and a configuration change unit changing configuration of the group to which the data storage devices belong. The configuration change unit includes, a spare storage device securing unit that secures the spare storage device, a change processor that writes data concerning the group into the spare storage device, and a change restoration unit that performs continuation of the configuration change, or restoration of the group to a state in a start, using the data written into the spare storage device when the configuration change of the group is interrupted.
摘要翻译：存储系统包括数据存储装置，在数据存储装置发生故障时使用的备用存储装置，将数据存储装置分割成组并进行冗余的组管理部，分配备用存储部的数据存储装置恢复部设备作为发生故障时的替换，以及配置改变单元改变数据存储设备所属的组的配置。配置改变单元包括：将备用存储装置固定的备用存储装置固定单元，将关于该组的数据写入备用存储装置的变更处理单元，以及进行配置变更的继续的修改恢复单元，该组到一个状态一开始，当组的配置更改中断时，使用写入备用存储设备的数据。

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